The following are possible True/False questions for tests. The statement is given and the answer is provided. The level of difficulty (easy, medium, hard) and the section(s) relevant to the topic are also furnished.
1. A key problem when designing data communications networks is how to adapt to new technologies while organizations change.
Answer: True
Difficulty: Easy
Reference: Introduction
L.O.: Describe the overall process of designing and implementing a network
2. A traditional network design approach follows a structured systems analysis and design process similar to that used in building applications.
Answer: True
Difficulty: Easy
Reference: Introduction
L.O.: Describe the overall process of designing and implementing a network
3. The traditional network design approach works very well for rapidly changing networks.
Answer: False
Difficulty: Easy
Reference: Introduction
L.O.: Describe the overall process of designing and implementing a network
4. Today, most network designers use a three to five year planning horizon.
Answer: True
Difficulty: Easy
Reference: Introduction
L.O.: Describe the overall process of designing and implementing a network
5. Today, the most expensive part of the network is the hardware.
Answer: False
Difficulty: Easy
Reference: Introduction
L.O.: Describe the overall process of designing and implementing a network
6. Today, many organizations design networks using the building-block approach.
Answer: True
Difficulty: Easy
Reference: Introduction
L.O.: Describe the overall process of designing and implementing a network
7. Needs analysis is the final step in the building block approach to network design.
Answer: False
Difficulty: Medium
Reference: Introduction
L.O.: Describe the overall process of designing and implementing a network
8. In technology design, a network designer looks at available technologies to see which options will satisfy users’ needs.
Answer: True
Difficulty: Easy
Reference: Introduction
L.O.: Describe the overall process of designing and implementing a network
9. Cost assessment is used to look at the relative cost of technologies used in a network design.
Answer: True
Difficulty: Easy
Reference: Introduction
L.O.: Describe the overall process of designing and implementing a network
10. The goals in the needs analysis step of network design are exactly the same when designing LANs vs. when designing WANs.
Answer: False
Difficulty: Easy
Reference: Needs Analysis
L.O.: Describe the overall process of designing and implementing a network
11. The step of understanding current traffic on a network provides a baseline against which future network requirements can be compared.
Answer: True
Difficulty: Easy
Reference: Needs Analysis
L.O.: Describe the overall process of designing and implementing a network
12. The goal of the needs analysis step in network design is to develop a physical network design.
Answer: False
Difficulty: Easy
Reference: Needs Analysis
L.O.: Describe the overall process of designing and implementing a network
13. Today, all network traffic is due to traffic from internal application systems.
Answer: False
Difficulty: Easy
Reference: Needs Analysis
L.O.: Understand the seven network architecture components
14. Networks requirements can be divided into mandatory, desirable, and wish-list requirements.
Answer: True
Difficulty: Medium
Reference: Needs Analysis
L.O.: Describe techniques for developing a logical network design
15. Capacity planning is used to design circuit capacity.
Answer: True
Difficulty: Easy
Reference: Technology Design
L.O.: Describe techniques for developing a logical network design
16. The turnpike effect results when a network is used at a much lower rate than was anticipated when it was designed.
Answer: False
Difficulty: Medium
Reference: Technology Design
L.O.: Describe techniques for developing a logical network design
17. Simulation is a tool that can be used in designing networks.
Answer: True
Difficulty: Medium
Reference: Technology Design
L.O.: Understand network design principles
18. Cost assessment is the step in the network design in which many complex factors related to costs are documented.
Answer: True
Difficulty: Easy
Reference: Cost Assessment
L.O.: Understand network design principles
19. When obtaining the support of senior management for a proposed network, it is important to use as much technical network jargon as possible.
Answer: False
Difficulty: Easy
Reference: Cost Assessment
L.O.: Describe the overall process of designing and implementing a network
20. The campus backbone is usually faster than the backbones used inside buildings.
Answer: True
Difficulty: Easy
Reference: Introduction
L.O.: Understand the seven network architecture components
MULTIPLE CHOICE
The following are possible multiple-choice questions for tests. The question is posed and the answer is provided under the choices. The level of difficulty (easy, medium, difficult) and the section(s) relevant to the topic is also furnished.
1. Which of the following is not a step under the traditional network design approach?
a. An analyst develops cost estimates of the circuits needed to support the network.
b. An analyst takes the traffic on the current network and then multiplies that by a factor of 3.65 to come up with the estimate of the total traffic for the new network.
c. An analyst meets with users to identify user needs.
d. An analyst develops a precise estimate of the amount of data that users will send and receive to estimate the total amount of traffic on each part of the network.
e. An analyst designs the circuits to support the estimated traffic, allowing for modest growth.
Answer: B
Difficulty: Medium
Reference: Introduction
L.O.: Describe the overall process of designing and implementing a network
2. The traditional network design approach does not work well for _________ networks.
slowly evolving
rapidly growing
static
modestly growing
not growing
Answer: B
Difficulty: Easy
Reference: Introduction
L.O.: Describe the overall process of designing and implementing a network
3. Which of the following is not making the traditional design approach less appropriate for today’s networks?
The underlying technology of networking devices is changing very rapidly
The underlying technology of client and server devices is changing very rapidly
The underlying technology of circuits is changing very rapidly
Growth in network traffic is very high
The most expensive part of any network is the hardware
Answer: E
Difficulty: Medium
Reference: Introduction
L.O.: Describe the overall process of designing and implementing a network
4. Which of the following is not contributing to the dramatic increase in network traffic today?
a. Video applications on networks are becoming common.
b. Electronic mail is now used by most people who work in organizations.
c. Web searches are now commonly performed by network users.
d. Client computers today can have 2GB of RAM, a 300 GB hard drive, and 2 Ghz processors.
e. Multimedia applications on networks are becoming common.
Answer: D
Difficulty: Easy
Reference: Introduction
L.O.: Describe the overall process of designing and implementing a network
5. Which of the following is false about staff costs for a network?
The most expensive part of the network today is the staff who design, operate, and maintain it
The emphasis is on network designs that reduce staff time needed to operate them
Network staff are often required to learn to operate a variety of devices
Network staff are often required to maintain a variety of devices
When a variety of devices are used in a network, it takes less time to perform network management activities
Answer: E
Difficulty: Medium
Reference: Introduction
L.O.: Describe the overall process of designing and implementing a network
6. The building block design approach is sometimes called:
wide and shallow
narrow and deep
wide and deep
narrow and shallow
narrow and flat
Answer: B
Difficulty: Easy
Reference: Introduction
L.O.: Describe the overall process of designing and implementing a network
7. Nowadays, most organizations use a simpler approach to network design called the ___________ approach.
building-block
frame definition
prototype
systems development life cycle
guided network
Answer: A
Difficulty: Easy
Reference: Introduction
L.O.: Describe the overall process of designing and implementing a network
8. Which of the following is not a step used in newer types of network design processes?
a. cost assessment
b. technology design
c. implementation
d. needs analysis
e. none of the above is a correct answer
Answer: C
Difficulty: Easy
Reference: Introduction
L.O.: Describe the overall process of designing and implementing a network
9. In __________, the network designer attempts to understand the fundamental current and future network needs of the various users, departments, and applications.
technology design
needs analysis
narrow and deep analysis
cost assessment
distribution layering
Answer: B
Difficulty: Easy
Reference: Introduction
L.O.: Describe the overall process of designing and implementing a network
10. In __________, the network designer examines the available technologies and assesses which options will meet the users’ needs.
a. technology design
b. needs analysis
c. narrow and deep analysis
d. cost assessment
e. distribution layering
Answer: A
Difficulty: Easy
Reference: Introduction
L.O.: Describe techniques for developing a logical network design
11. In __________, the network designer considers the relative cost of the technologies.
technology design
needs analysis
narrow and deep analysis
cost assessment
distribution layering
Answer: D
Difficulty: Easy
Reference: Introduction
L.O.: Describe techniques for developing a logical network design
12. Which of the following is not true about network design?
In designing LAN networks, network designers tend to err on the side of building too big a network
In designing BN networks, network designers tend to err on the side of building too big a network
In designing WAN networks, network designers tend to err on the side of building too small a network
In designing LAN networks, network designers tend to err on the side of building too small a network
In designing MAN networks, network designers tend to err on the side of building too small a network
Answer: D
Difficulty: Medium
Reference: Needs Analysis
L.O.: Understand network design principles
13. In needs analysis:
a. a great deal of the work has probably never been done
b. the goal is to understand what users and applications the network will support
c. the geographic scope is not an important consideration
d. a baseline of current operations is not important
e. the rate of growth of network traffic is not an issue
Answer: B
Difficulty: Medium
Reference: Needs Analysis
L.O.: Understand network design principles
14. Gaining an understanding of the current application system and messages provides a _________ against which future design requirements can be gauged.
backplane
baseline
turnpike document
wish list
RFP
Answer: B
Difficulty: Medium
Reference: Needs Analysis
L.O.: Understand network design principles
15. The goal of the needs analysis step is to produce a ___________, or a statement of the network elements necessary to meet the needs of the organization.
building block
access layer
core layer
cost assessment
logical network design
Answer: E
Difficulty: Easy
Reference: Needs Analysis
L.O.: Understand network design principles
16. __________ is not an important consideration when network designers review old and new applications.
a. Reviewing the NFL scores
b. Reviewing the organization’s possible changes in product mix
c. Understanding the organization’s strategic plans
d. Understanding development plans for new uses of electronic commerce
e. Reviewing the organization’s projections of sales
Answer: A
Difficulty: Medium
Reference: Needs Analysis
L.O.: Understand network design principles
17. Which of the following is not an example of identifying protocols that are needed to support hardware and software requirements of applications that will use the network?
an application will use HTTP over TCP/IP
an application will run on an IBM mainframe and so the network will require SNA traffic
an application will need a gateway to translate SNA traffic into TCP/IP protocols
an application will use SPX/IPX with a Novell file server
an application will have drop down menu choices
Answer: E
Difficulty: Medium
Reference: Needs Analysis
L.O.: Understand network design principles
18. Which of the following is not a way in which network requirements, identified in the needs analysis of the network design process, are organized?
a. non-necessary requirements
b. wish list requirements
c. desirable requirements
d. mandatory requirements
e. none of the above is an appropriate answer
Answer: A
Difficulty: Easy
Reference: Needs Analysis
L.O.: Describe techniques for developing a physical network design
19. Which of the following is not included in the key deliverable for the needs assessment stage, the set of logical network diagrams?
applications of the proposed network
servers in the proposed network
circuits in the proposed network
specific routers that have been chosen to implement the proposed network
clients in the proposed network
Answer: D
Difficulty: Easy
Reference: Needs Analysis
L.O.: Describe techniques for developing a physical network design
20. Which of the following is not an example of a building block used in technology design?
a. typical application
b. typical user
c. high traffic application
d. standard network circuit
e. specifications for a particular lighting fixture in the network operating center
Answer: E
Difficulty: Easy
Reference: Technology Design
L.O.: Describe techniques for developing a physical network design
21. Once the needs have been defined in the logical network design, the next step is to develop a(n) __________.
application
baseline
technology design
turnpike design
backplane design
Answer: C
Difficulty: Easy
Reference: Introduction
L.O.: Describe techniques for developing a logical network design
22. Which of the following is a type of protocol that needs to be considered in technology design?
Ethernet
10 Mbps
100 Mbps
WAN
SNA
Answer: A
Difficulty: Medium
Reference: Technology Design
L.O.: Describe techniques for developing a physical network design
23. Estimating the size and type of the “standard” and “advanced” network circuits is called _________.
needs categorization
turnpike design
cost assessment
capacity planning
soliciting RFPs
Answer: D
Difficulty: Medium
Reference: Technology Design
L.O.: Describe techniques for developing a logical network design
24. Which of the following would not be a type of circuit that needs to be considered when planning for technology design capacity?
a. 1000 Mbps
b. Ethernet
c. 10 Mbps
d. 100 Mbps
e. 1 Gbps
Answer: B
Difficulty: Medium
Reference: Technology Design
L.O.: Describe techniques for developing a physical network design
25. In the technology design stage of network design,
the fundamental technology/protocols to be chosen have no relationship with the circuit capacity
the decision for fundamental technology/protocols can be made without considering circuit capacity
the decision for circuit capacity can be made without considering fundamental technology/protocols
the decisions for fundamental technology/protocols and circuit capacity are interrelated
the decision for fundamental technology/protocols and/or circuit capacities is not made at this stage
Answer: D
Difficulty: Medium
Reference: Technology Design
L.O.: Describe techniques for developing a logical network design
26. ___________ refers to the amount of data transmitted on a circuit.
a. Circuit loading
b. Leading edge deployment
c. Capacity planning
d. Calculating message volumes
e. Requirements documentation
Answer: A
Difficulty: Easy
Reference: Technology Design
L.O.: Describe techniques for developing a physical network design
27. __________ is an estimate of the highest data volume on a link.
a. Data mode
b. Backplane load
c. Peak circuit traffic
d. Leading edge data flow
e. Circuit transfer
Answer: C
Difficulty: Easy
Reference: Technology Design
L.O.: Describe techniques for developing a physical network design
28. To establish circuit loading, the designer usually starts with the:
a. total characters transmitted per day on each circuit, or, if possible, the number of characters transmitted per two-second intervals if peaks must be met
b. individual user training
c. bus diameter, disk cache that is used at the server station
d. channel bandwidth and baud rate used at each client
e. local, trunk, IXC, DDD, and leased-line circuit bandwidth for each node
Answer: A
Difficulty: Medium
Reference: Technology Design
L.O.: Describe techniques for developing a physical network design
29. According to one rule of thumb, ______ percent of circuit loading information is easy to gather.
50
25
80
19
20
Answer: C
Difficulty: Medium
Reference: Technology Design
L.O.: Describe techniques for developing a physical network design
30. A _________ results when a network is used to a greater extent than was originally anticipated by the network designer.
a. leading edge data flow
b. circuit load
c. turnpike effect
d. protocol volume
e. capacity plan
Answer: C
Difficulty: Medium
Reference: Technology Design
L.O.: Describe techniques for developing a physical network design
31. There are some network modeling tools that can ________ the existing network.
discover
disassemble
sensitize
maintain
implement
Answer: A
Difficulty: Medium
Reference: Technology Design
L.O.: Describe techniques for developing a physical network design
32. ________ is used to model the behavior of the planned communication network once the proposed network map is complete.
a. Implementation
b. Post-implementation review
c. Documentation
d. Simulation
e. Training users
Answer: D
Difficulty: Medium
Reference: Technology Design
L.O.: Describe techniques for developing a physical network design
33. Which of the following are not costs that are generally considered during the cost assessment stage of the network design process?
a. cost of advertising brochures for new products to be offered by an organization
b. internetworking devices cost
c. network management costs
d. circuit costs
e. software costs for network operating system
Answer: A
Difficulty: Medium
Reference: Cost Assessment
L.O.: Describe techniques for developing a physical network design
34. Which of the following is not a main item for which network designers estimate costs for the proposed network?
software
hardware
purchasing and installing circuits
ergonomic chairs for users
circuits provided by common carriers
Answer: D
Difficulty: Easy
Reference: Cost Assessment
L.O.: Describe techniques for developing a physical network design
35. To estimate costs for large network purchases, organizations often:
a. purchase all network purchases ‘off the shelf’
b. obtain ‘book value’ information for the existing network from the accounting department
c. ask other users what they paid for their network bought in the past
d. multiply old network costs by a factor of 3
e. issue an RFP to vendors
Answer: E
Difficulty: Medium
Reference: Cost Assessment
L.O.: Understand network design principles
36. RFP stands for:
a. Request for Proposal
b. Ring Fault Path
c. Routing File Protocol
d. Record Facsimile Program
e. Redundant File Protocol
Answer: A
Difficulty: Medium
Reference: Cost Assessment
L.O.: Describe the overall process of designing and implementing a network
37. Estimating the cost of a network is ______ complex than estimating the cost of one new piece of data processing hardware.
a. much more
b. much less
c. about the same
d. exactly the same
e. a little more
Answer: A
Difficulty: Easy
Reference: Cost Assessment
L.O.: Describe the overall process of designing and implementing a network
38. Which of the following is a way to sell the network proposal to management?
talk about upgrades from 10Mbps to 100Mbps
give many details about using routers vs. gateways for a particular connection
concentrate on a discussion about token ring vs. Ethernet protocol
focus on the growth in network use
discuss SNA architecture
Answer: D
Difficulty: Easy
Reference: Cost Assessment
L.O.: Describe the overall process of designing and implementing a network
39. Which of the following is not a key deliverable for the cost assessment step?
a. RFP
b. list of wish list requirements
c. revised physical network diagram
d. business case, defined in business objectives and business language, that supports the network design
e. none of the above is an appropriate choice
Answer: B
Difficulty: Easy
Reference: Cost Assessment
L.O.: Describe the overall process of designing and implementing a network
40. The large network purchases are done:
before the vendor(s) are selected
before the RFP is sent out
after the RFP is sent out, but before the vendor(s) are selected
after the vendor(s) are selected
after the network has been implemented
Answer: D
Difficulty: Medium
Reference: Cost Assessment
L.O.: Describe the overall process of designing and implementing a network
41. The network architecture component which enables users to access the network is the
a. LAN
b. building backbone
c. campus backbone
d. enterprise edge
e. WAN
Answer: A
Difficulty: Medium
Reference: Introduction
L.O.: Understand the seven network architecture components
42. The network architecture component that is sometimes referred to as the distribution layer is the
a. LAN
b. building backbone
c. campus backbone
d. enterprise edge
e. WAN
Answer: B
Difficulty: Medium
Reference: Introduction
L.O.: Understand the seven network architecture components
43. The network architecture component which contains the organization’s servers is called the
a. LAN
b. building backbone
c. data center
d. enterprise edge
e. WAN
Answer: C
Difficulty: Medium
Reference: Introduction
L.O.: Understand the seven network architecture components
44. The network architecture component that is a special LAN with a group of servers that enables electronic data exchange of between the organization and the external entities it does business with is called the
a. LAN
b. building backbone
c. data center
d. enterprise edge
e. e-commerce edge
Answer: E
Difficulty: Medium
Reference: Introduction
L.O.: Understand the seven network architecture components
45. A circuit that is filled almost to its capacity and thus is the critical point that determines whether users get good or bad response times is referred to as a(n)
a. bottleneck
b. building backbone
c. breakneck
d. congested network
e. e-commerce edge
Answer: A
Difficulty: Medium
Reference: Technology Design
L.O.: Understand network design principles
Short Answer and Essay Questions:
Describe the RFP process in detail.
Describe the concept of linking the RFP to the vendor contract.
Why is the RFP so important?
Why is it important to “sell” a proposal to management? How should this be done?
In a quickly evolving network, which design method is recommended? Why?
Describe the tools that can be used in designing a network.
List and describe each of the seven network architecture components.
Describe the difference between a building backbone network and the campus backbone.
Compare and contrast the building-block network design process with the traditional network design process.
What are some of the considerations that network designers have when planning for circuit capacities across a LAN and backbones?
Describe some of the network design tools that can be helpful in the design process.
Chapter 7
Wired and Wireless LANs
True-False Questions
The following are possible True/False questions for tests. The statement is given and the answer is provided. The level of difficulty (easy, medium, hard) and the section relevant to the topic are also furnished.
21. As discussed in this textbook, three layers of a network model are the components required for a typical network, including local area networks.
Answer: False
Difficulty: Medium
Reference: LAN Components
L.O.: Understand the major components of LANs
22. A Network Operating System (NOS), such as Linux or Windows Server 2008, must be used in addition to the ‘normal’ operating system, such as Windows, on a server in a dedicated server LAN.
Answer: False
Difficulty: Medium
Reference: LAN Components
L.O.: Understand the major components of LANs
23. By offloading printing tasks from the main LAN server, a print server increases network efficiency.
Answer: True
Difficulty: Medium
Reference: LAN Components
L.O.: Understand the major components of LANs
24. The Network Interface Card (NIC) permits a computer to be physically connected to a network’s cable, which provides the network layer connection among the computers in the network.
Answer: False
Difficulty: Medium
Reference: LAN Components
L.O.: Understand the major components of LANs
25. LANs that run on radio frequencies use a type of wired media.
Answer: False
Difficulty: Easy
Reference: LAN Components
L.O.: Understand the major components of LANs
26. Fiber optic cable is thicker and heavier than unshielded twisted pair.
Answer: False
Difficulty: Easy
Reference: LAN Components
L.O.: Be able to design wired Ethernet LANs
27. Many network hubs incorporate repeaters or amplifiers to regenerate signals so that attenuation of the signal does not occur.
Answer: True
Difficulty: Medium
Reference: LAN Components
L.O.: Understand the major components of LANs
28. The NOS software for the server computer provides the physical, data link, and network layer functions.
Answer: False
Difficulty: Medium
Reference: LAN Components
L.O.: Understand the major components of LANs
29. One of the most important functions of Network Operating System (NOS) is a directory service.
Answer: True
Difficulty: Easy
Reference: LAN Components
L.O.: Understand the major components of LANs
30. LDAP is an industry standard directory protocol.
Answer: True
Difficulty: Easy
Reference: LAN Components
L.O.: Understand the major components of LANs
31. A hardware device that is not included in a network profile cannot be accessed by another computer on the network.
Answer: True
Difficulty: Easy
Reference: LAN Components
L.O.: Understand the major components of LANs
32. Network profile refers to what resources on each server are available on the network for use by other computers and which devices or people are allowed access on the network.
Answer: True
Difficulty: Medium
Reference: LAN Components
L.O.: Understand the major components of LANs
33. Traditional Ethernet is also known as shared Ethernet.
Answer: True
Difficulty: Easy
Reference: Wired Ethernet
L.O.: Be able to design wired Ethernet LANs
34. Ethernet is a layer 3 protocol, which operates at the network layer.
Answer: False
Difficulty: Easy
Reference: Wired Ethernet
L.O.: Be able to design wired Ethernet LANs
35. The Ethernet standard was developed first by the IEEE.
Answer: False
Difficulty: Medium
Reference: Wired Ethernet
L.O.: Be able to design wired Ethernet LANs
36. Topology refers to the geometric layout of the network and describes how the computers are interconnected.
Answer: True
Difficulty: Easy
Reference: Wired Ethernet
L.O.: Understand the major components of LANs
37. A collision on a bus circuit means that two computers on that circuit have transmitted at the same time.
Answer: True
Difficulty: Medium
Reference: Wired Ethernet
L.O.: Be able to design wired Ethernet LANs
38. The three latest versions of Ethernet run at speeds of 1Gbps, 10Gbps, and 50 Gbps.
Answer: False
Difficulty: Easy
Reference: Wired Ethernet
L.O.: Be able to design wired Ethernet LANs
39. 1000Base-LX is a version of 1000Base-T than runs on four pairs of CAT 5 cable.
Answer: False
Difficulty: Easy
Reference: Wired Ethernet
L.O.: Be able to design wired Ethernet LANs
40. A switch always broadcasts all the packets it receives to all the computers that are connected to the switch.
Answer: False
Difficulty: Easy
Reference: Wired Ethernet
L.O.: Understand the major components of LANs
41. A forwarding table tells a switch which port it should send out a packet to get to the destination computer.
Answer: True
Difficulty: Medium
Reference: Wired Ethernet
L.O.: Be able to design wired Ethernet LANs
42. When a switch receives a packet with a destination address that is not in its forwarding table, the switch will broadcast the packet to all of its ports.
Answer: True
Difficulty: Easy
Reference: Wired Ethernet
L.O.: Understand the major components of LANs
43. Cut through switching has fewer errors than store and forward switching.
Answer: False
Difficulty: Easy
Reference: Wired Ethernet
L.O.: Understand the major components of LANs
44. Store and forward switching cannot be used unless incoming and outgoing data circuit has the same data rate.
Answer: False
Difficulty: Easy
Reference: Wired Ethernet
L.O.: Understand the major components of LANs
45. A switch can send and receive on all circuits simultaneously.
Answer: True
Difficulty: Easy
Reference: Wired Ethernet
L.O.: Understand the major components of LANs
46. Wireless LANs are never connected to a wire network.
Answer: False
Difficulty: Easy
Reference: Wireless Ethernet
L.O.: Understand the best practice recommendations for LAN design
47. 802.11b is a faster wireless standard than 802.11a.
Answer: False
Difficulty: Easy
Reference: Wireless Ethernet
L.O.: Be able to design wireless Ethernet LANs
48. The maximum data rate of 802.11b LANs is 12 Mbps.
Answer: False
Difficulty: Easy
Reference: Wireless Ethernet
L.O.: Be able to design wireless Ethernet LANs
49. An access point (AP) is required to connect a WLAN to a wired network.
Answer: True
Difficulty: Easy
Reference: Wireless Ethernet
L.O.: Be able to design wireless Ethernet LANs
50. An access point ensures that all computers within range of the access point can communicate with each other,
Answer: True
Difficulty: Easy
Reference: Wireless Ethernet
L.O.: Be able to design wireless Ethernet LANs
51. 802.11b provides three separate channels for indoor use in the U.S. that can be used for communication between the access point and other wireless devices on the network.
Answer: True
Difficulty: Medium
Reference: Wireless Ethernet
L.O.: Be able to design wireless Ethernet LANs
52. Most access points (AP) deployed in wireless LANs use directional antennas.
Answer: False
Difficulty: Easy
Reference: Wireless Ethernet
L.O.: Be able to design wireless Ethernet LANs
53. Directional antennas signals are much stronger than omnidirectional antennas.
Answer: True
Difficulty: Easy
Reference: Wireless Ethernet
L.O.: Be able to design wireless Ethernet LANs
54. Wireless LANs use Carrier Sense Multiple Access with Collision Detection (CSMA/CD)
for medic access control.
Answer: False
Difficulty: Medium
Reference: Wireless Ethernet
L.O.: Be able to design wireless Ethernet LANs
55. Distributed Coordination Function is a media access control method used in wireless LANs where the sender waits for an ACK (acknowledgement) from the receiver before transmitting any more packets.
Answer: True
Difficulty: Medium
Reference: Wireless Ethernet
L.O.: Be able to design wireless Ethernet LANs
56. Point Coordination Function requires that each station that wishes to transmit on the wireless network sends a request-to-transmit (RTS) packet to the access point and waits for a clear-to-send (CTS) packet from the AP before it can communicate with other nodes on the network.
Answer: True
Difficulty: Medium
Reference: Wireless Ethernet
L.O.: Be able to design wireless Ethernet LANs
57. The DCF function of Wi-Fi resolves the hidden node problem.
Answer: False
Difficulty: Medium
Reference: Wireless Ethernet
L.O.: Be able to design wireless Ethernet LANs
58. 802.11b LANs operate at speeds up to 11 Mbps.
Answer: True
Difficulty: Medium
Reference: Wireless Ethernet
L.O.: Be able to design wireless Ethernet LANs
59. The frequency ranges of some access points are the same as some cordless telephones.
Answer: True
Difficulty: Easy
Reference: Wireless Ethernet
L.O.: Be able to design wireless Ethernet LANs
60. 802.11a provides for speeds of up to 54 Mbps under perfect conditions.
Answer: True
Difficulty: Easy
Reference: Wireless Ethernet
L.O.: Be able to design wireless Ethernet LANs
61. The maximum transmission speed of 802.11a LANs is 11 Mbps.
Answer: False
Difficulty: Easy
Reference: Wireless Ethernet
L.O.: Be able to design wireless Ethernet LANs
62. 802.11a LANs provide more channels than 802.11b LANs
Answer: True
Difficulty: Easy
Reference: Wireless Ethernet
L.O.: Be able to design wireless Ethernet LANs
63. It takes 802.11a more access points to provide the same coverage as one 802.11b access point.
Answer: True
Difficulty: Easy
Reference: Wireless Ethernet
L.O.: Understand the best practice recommendations for LAN design
64. An 802.11g NIC can communicate with an 802.11n access point.
Answer: True
Difficulty: Easy
Reference: Wireless Ethernet
L.O.: Be able to design wireless Ethernet LANs
65. Compared to 802.11b, 802.11g provides fewer channels for stations to communicate with the access point.
Answer: False
Difficulty: Easy
Reference: Wireless Ethernet
L.O.: Understand the best practice recommendations for LAN design
66. The data link layer protocols used by wireless LANs are similar to the ones used on Ethernet LANs
Answer: True
Difficulty: Easy
Reference: Wireless Ethernet
L.O.: Be able to design wireless Ethernet LANs
67. Wireless LANs do not share the bandwidth capacity of the wireless network.
Answer: False
Difficulty: Easy
Reference: Wireless Ethernet
L.O.: Be able to design wireless Ethernet LANs
68. A site survey is not an important component of a WLAN design.
Answer: False
Difficulty: Medium
Reference: Wireless Ethernet
L.O.: Be able to design wireless Ethernet LANs
69. Wired Equivalent Privacy requires that each user have a preconfigured key in order to communicate with an access point.
Answer: True
Difficulty: Medium
Reference: Wireless Ethernet
L.O.: Be able to design wireless Ethernet LANs
70. Wi-Fi Protected Access (WPA) uses the same key for every packet that is transmitted to the client.
Answer: False
Difficulty: Medium
Reference: Wireless Ethernet
L.O.: Be able to design wireless Ethernet LANs
71. Directional antennas produce a stronger signal over longer distances than omnidirectional antennas.
Answer: True
Difficulty: Medium
Reference: Wireless Ethernet
L.O.: Be able to design wireless Ethernet LANs
MULTIPLE CHOICE
The following are possible multiple-choice questions for tests. The question is posed and the answer is provided under the choices. The level of difficulty (easy, medium, hard) and the page number(s) relevant to the topic is also furnished.
46. A(n) _____________ is not a common type of dedicated server.
a. file server
b. print server
c. database server
d. collision server
e. remote access server
Answer: D
Difficulty: Medium
Reference: LAN Components
L.O.: Understand the major components of LANs
47. A(n) ____________ allows many users to share the same set of files on a common, shared disk drive.
a. print server
b. database server
c. file server
d. piconet server
e. remote access server
Answer: C
Difficulty: Medium
Reference: LAN Components
L.O.: Understand the major components of LANs
48. Which of the following is not a basic LAN component?
a. client
b. PAD
c. server
d. network interface card
e. network operating system
Answer: B
Difficulty: Easy
Reference: LAN Components
L.O.: Understand the major components of LANs
49. Which of the following is not an advantage of using Cat5 unshielded twisted pair for cabling LANs?
a. cost (relative to fiber)
b. thickness (relative to coax)
c. weight (relative to coax)
d. flexibility (relative to coax)
e. security (relative to fiber)
Answer: E
Difficulty: Medium
Reference: LAN Components
L.O.: Understand the major components of LANs
50. Of the following, which is not true about fiber optic cable?
it is thinner than unshielded twisted pair cable
it is lighter than unshielded twisted pair cable
it has a very low capacity
it is more expensive than CAT5 unshielded twisted pair cable
it is a type of guided media
Answer: C
Difficulty: Medium
Reference: LAN Components
L.O.: Understand the major components of LANs
51. Which of the following is not a purpose for using hubs in a network?
a. to act as a communications server
b. to connect network cables
c. to prevent attenuation
d. to act as a junction box
e. none of the above
Answer: A
Difficulty: Medium
Reference: LAN Components
L.O.: Understand the major components of LANs
52. Which of the following type of media is most commonly used in backbone networks because of its high capacity?
a. fiber
b. infrared frequencies
c. coax cable
d. unshielded twisted pair
e. shielded twisted pair
Answer: A
Difficulty: Easy
Reference: LAN Components
L.O.: Understand the major components of LANs
53. Hubs:
a. usually incorporate repeaters or amplifiers
b. have connection points called handles
c. limit the distance of a network to a few meters in length
d. are a difficult method to connect network cables
e. operate at the application layer
Answer: A
Difficulty: Medium
Reference: LAN Components
L.O.: Understand the major components of LANs
54. __________ is not true with respect to network hubs.
a. Each port in a hub has a unique number.
b. A good network plan includes hubs in areas, such as a telecommunications wiring closet, in which a network may expand
c. Simple hubs are commonly available in 4-, 8-, 16-, and 24-port sizes
d. Many hubs act as repeaters or amplifiers
e. Hubs provide a complicated way to connect network cables
Answer: E
Difficulty: Medium
Reference: LAN Components
L.O.: Understand the major components of LANs
55. _____________ is the software that controls the network.
Network Operating System
Client Operating System
Embedded Operating System
Network Control System
Network Software System
Answer: A
Difficulty: Medium
Reference: LAN Components
L.O.: Understand the major components of LANs
56. The server version of the Network Operating System does not:
a. provide the software that performs the functions associated with the physical layer
b. provide the software that performs the functions associated with the data link layer
c. provide the software that performs the functions associated with the application layer
d. provide the software that performs the functions associated with the network layer
e. usually provide the software that performs the functions associated with the computer’s own operating system
Answer: A
Difficulty: Medium
Reference: LAN Components
L.O.: Understand the major components of LANs
57. _____________ provide information about resources on the network that are available to the users, such as shared printers, file servers and application software.
Network Services
Directory Services
Client Services
Computing Services
Remote Access Services
Answer: B
Difficulty: Medium
Reference: LAN Components
L.O.: Understand the major components of LANs
58. A _________ is a group of related resources.
workgroup
domain
server
client
sharepoint
Answer: B
Difficulty: Medium
Reference: LAN Components
L.O.: Understand the major components of LANs
59. A hierarchical tree of domains within one organization that is linked to other trees in the organization is called a ___________.
ADS
domain
forest
tree
NDS
Answer: C
Difficulty: Medium
Reference: LAN Components
L.O.: Understand the major components of LANs
60. A __________ indicates what resources on each server are available on the network for use by other computers and what people are allowed what access to the network.
a. user profile
b. user access log
c. network profile
d. network operating system
e. server allocation list
Answer: C
Difficulty: Easy
Reference: LAN Components
L.O.: Understand the major components of LANs
61. The cheapest time to install network cabling is:
a. during the construction of the building
b. as soon as the building is completed
c. as soon as the building is occupied
d. about five years after the building is occupied so that the exact office locations for each network computer is known
e. any time that a network needs to be installed
Answer: A
Difficulty: Medium
Reference: Wired Ethernet
L.O.: Be able to design wired Ethernet LANs
62. Ethernet LAN was developed by:
a. IBM
b. ARPANET
c. DEC, Xerox, and Intel
d. University of Minnesota
e. CERN laboratory in Geneva
Answer: C
Difficulty: Easy
Reference: Wired Ethernet
L.O.: Be able to design wired Ethernet LANs
63. ___________ is how the network works conceptually.
Physical topology
Logical topology
Network topology
Ethernet
Media access control
Answer: B
Difficulty: Easy
Reference: Wired Ethernet
L.O.: Be able to design wired Ethernet LANs
64. The type of logical topology that Ethernet uses is a:
a. ring
b. bus
c. star
d. mesh
e. interconnected
Answer: B
Difficulty: Easy
Reference: Wired Ethernet
L.O.: Be able to design wired Ethernet LANs
65. A logical bus topology:
a. is always used by token ring protocol LANs
b. has all computers connected to each other in point-to-point connections
c. is limited to short distances since devices like a hub or repeater cannot be used with this type of topology
d. permits every message to be received by every computer on the bus, even when those messages are intended for other computers
e. has a central control device, such as a mainframe
Answer: D
Difficulty: Medium
Reference: Wired Ethernet
L.O.: Be able to design wired Ethernet LANs
66. Media access control refers to:
the price of fiber optic cable
security over floppy disks in a user environment
the ability for a user to use multimedia equipment in a LAN
controlling access to a media by more than one computer in a LAN
e. the control over coax cable installed by a cable service provider
Answer: D
Difficulty: Medium
Reference: Wired Ethernet
L.O.: Be able to design wired Ethernet LANs
67. Which of the following is not true about CSMA/CD?
a. The acronym refers to Carrier Sense Multiple Access with Collision Detection
b. It is used in token ring protocol LANs
c. It is a contention-based media access control technique
d. When a collision has occurred, the computers that wish to transmit wait a random amount of time after a colliding message before attempting to retransmit
e. Computers on the circuit ‘listen’ before transmitting
Answer: B
Difficulty: Medium
Reference: Wired Ethernet
L.O.: Be able to design wired Ethernet LANs
68. _________ is not a type of Ethernet specification.
a. 100Base-T
b. 10GbE
c. 1000Base-T (1GbE)
d. 10Base-T
e. Securenet
Answer: E
Difficulty: Medium
Reference: Wired Ethernet
L.O.: Be able to design wired Ethernet LANs
69. 10Base-T:
a. supports 10 Mbps data rate
b. is inexpensive
c. runs on twisted pair
d. is more dominant than token ring
e. all of the answers are correct
Answer: E
Difficulty: Medium
Reference: Wired Ethernet
L.O.: Be able to design wired Ethernet LANs
70. 1000 Base-T:
can run at either full- or half-duplex
is one of the oldest forms of Ethernet
is one of the slowest forms of Ethernet
can only be used over coaxial cables
has only one version, 1000Base-SLCX
Answer: A
Difficulty: Medium
Reference: Wired Ethernet
L.O.: Be able to design wired Ethernet LANs
71. ________ is a hybrid version of Ethernet that uses either 10Base-T or 100Base-T.
a. Mullion Ethernet
b. Base-T Ethernet
c. 10/100 Ethernet
d. Token ring Ethernet
e. FDDI Ethernet
Answer: C
Difficulty: Easy
Reference: Wired Ethernet
L.O.: Be able to design wired Ethernet LANs
72. 10/100 Ethernet:
a. uses 100 Mbps throughout the entire network
b. is not useful in the short run for organizations that are uncertain about which Ethernet standard to use
c. uses 10 Mbps throughout 100% of the entire network
d. provides traditional 10 Mbps Ethernet connections to client computers utilizing traditional 10Base-T, with 100 Mbps generally used to the server
e. uses 10 Gbps throughout 100% of the entire network
Answer: D
Difficulty: Medium
Reference: Wired Ethernet
L.O.: Be able to design wired Ethernet LANs
73. Which of the following is not true about 10/100 Ethernet?
It is not a hybrid type of Ethernet.
b. It provides flexibility for organizations that want to use both the 10Base-T and 100Base-T standards at the same time.
10/100 autosense hubs (and/or switches) are able to detect the signal transmitted by the client’s NIC and use 10 Mbps or 100 Mbps, depending on what the client uses.
Depending upon how it is configured, a 10/100 Ethernet NIC can run at either 10 Mbps or at 100 Mbps.
It provides flexibility for organizations that are uncertain about which Ethernet standard to use in the short term.
Answer: A
Difficulty: Easy
Reference: Wired Ethernet
L.O.: Be able to design wired Ethernet LANs
74. Switch-based Ethernet:
a. uses a hub to connect computers
b. has a physical topology of a ring
c. has a logical topology of a ring
d. has a logical topology of a bus
e. usually enables all attached circuits to send or receive packets simultaneously
Answer: E
Difficulty: Medium
Reference: Wired Ethernet
L.O.: Be able to design wired Ethernet LANs
75. A switch uses a _____________ that is very similar to a routing table used in a router.
a. cable plan
b. forwarding table
c. network server
d. reversing table
e. switching mullion
Answer: B
Difficulty: Easy
Reference: Wired Ethernet
L.O.: Understand the major components of LANs
76. Which of the following is not true about layer-2 switched Ethernet?
a. A switch replaces the hub.
b. The physical topology is the same as the physical topology of shared Ethernet: a ring.
c. The logical topology is a star.
d. The switch uses a forwarding table to route the packet to the correct circuit/computer.
The switch chooses which packet to transmit first if it receives more than one packet destined for the same computer at the same time, and stores the other packet(s) temporarily.
Answer: B
Difficulty: Medium
Reference: Wired Ethernet
L.O.: Understand the major components of LANs
77. Which of the following is not true about switched Ethernet?
a. The switch has a physical bus topology.
b. It uses a switch instead of a hub.
c. It has faster connections (almost immediate) than traditional Ethernet.
d. It essentially provides a point-to-point connection between computers.
e. It has forwarding tables in which entries are learned over time.
Answer: A
Difficulty: Medium
Reference: Wired Ethernet
L.O.: Understand the major components of LANs
78. Which of the following is a mode in which a switch operates:
fast learning switching
routing switching
fragment-free switching
store switching
cut switching
Answer: C
Difficulty: Medium
Reference: Wired Ethernet
L.O.: Understand the major components of LANs
79. Each of the circuits connected to a switch is a separate _______________ circuit connecting the switch to a device on the network.
a. multipoint
b. point-to-point
c. shared
d. ring
e. star
Answer: B
Difficulty: Easy
Reference: Wired Ethernet
L.O.: Understand the major components of LANs
80. Wired Ethernet is a _______________ technology for small SOHO devices, meaning that manufacturers are no longer creating new products. .
a. host
b. legacy
c. caching
d. hub
e. peak
Answer: B
Difficulty: Medium
Reference: Wired Ethernet
L.O.: Be able to design wired Ethernet LANs
81. LAN bottlenecks are usually found at the:
a. data entry keyboard and client video monitors
b. LAN server and network circuit
c. hub repeaters and transducer circuit modules
d. client operating system and diskette drive
e. client hard drive and processor
Answer: B
Difficulty: Easy
Reference: Improving LAN Performance
L.O.: Be able to improve LAN performance
82. Which of the following can provide fault tolerance for the storage space on a server?
RAID
SCSI
IDE
USB
EIDE
Answer: A
Difficulty: Easy
Reference: Improving LAN Performance
L.O.: Be able to improve LAN performance
83. Which of the following is not a potential bottleneck for LAN performance?
number and speed of hard disks in the server
amount of memory in the server
speed of server’s CPU
network interface card
all of the answers are potential bottlenecks for LAN performance
Answer: E
Difficulty: Medium
Reference: Improving LAN Performance
L.O.: Be able to improve LAN performance
84. If your LAN server is overloaded, which of the following should you not consider (to solve the server problem)?
a. adding one or more additional servers
b. upgrading the server’s CPU with a faster CPU
c. increasing the amount of memory of the server
d. increasing the number and speed of hard disks in the server
e. replacing the cable with fiber optic cable
Answer: E
Difficulty: Medium
Reference: Improving LAN Performance
L.O.: Be able to improve LAN performance
85. To increase the volume of simultaneous messages the LAN circuit can transmit from network clients to the server(s), you can:
a. increase the CPU of the server
b. upgrade to a bigger circuit
c. increase the number of hard disks on the server
d. increase the amount of disk capacity of the server
e. increase the amount of memory of the server
Answer: B
Difficulty: Easy
Reference: Improving LAN Performance
L.O.: Be able to improve LAN performance
86. Breaking a network into smaller parts is called network:
a. fragmentation
b. segmentation
c. localization
d. allocation
e. mitigation
Answer: B
Difficulty: Easy
Reference: Improving LAN Performance
L.O.: Be able to improve LAN performance
87. Which of the following is not an effective way to reduce LAN network demand:
a. move files to client computers
b. use disk caching on the client machines
c. find an application that places a large demand on the network and run it a time when the network is lightly loaded
d. add hidden nodes
e. shift the users’ routines
Answer: D
Difficulty: Medium
Reference: Improving LAN Performance
L.O.: Be able to improve LAN performance
88. Which of the following is not a WLAN standard?
a. 802.11ac
b. 802.11a
c. 802.3
d. 802.11b
e. 802.11g
Answer: C
Difficulty: Easy
Reference: Wireless Ethernet
L.O.: Be able to design wireless Ethernet LANs
89. The IEEE designation for the type of wireless standard that uses both the 2.4 and 5 GHz range is __________.
a. 802.11n
b. 802.11a
c. 802.3
d. 802.11b
e. 802.11g
Answer: A
Difficulty: Easy
Reference: Wireless Ethernet
L.O.: Be able to design wireless Ethernet LANs
90. A(n) _____________ is used in a computer to connect it to a WLAN.
a. Ethernet NIC
b. antennae
c. wireless NIC
d. access point
e. hub
Answer: C
Difficulty: Easy
Reference: LAN Components
L.O.: Be able to design wireless Ethernet LANs
91. A(n) ___________ is a radio transceiver that plays the same role as a hub or switch in a wired network and connects the WLAN to the wired network.
a. Ethernet NIC
b. antennae
c. wireless NIC
d. access point
e. hub
Answer: D
Difficulty: Medium
Reference: LAN Components
L.O.: Be able to design wireless Ethernet LANs
92. How many channels does the 802.11ac standard provide for communication between the access point and clients?
a. 4
b. 6
c. 8
d. 11
e. 2
Answer: C
Difficulty: Medium
Reference: Wireless Ethernet
L.O.: Be able to design wireless Ethernet LANs
93. How can a set of 802.11b access points be configured to operate without interference?
a. assigning each access point a different channel to communicate with clients
b. separate each access point by more than 10 meters
c. assign the same channel to no more than two access points
d. use omnidirectional antennas on some access points and directional on others.
e. none of the above
Answer: A
Difficulty: Medium
Reference: Wireless Ethernet
L.O.: Be able to design wireless Ethernet LANs
94. __________ antennas transmit the signal in all directions.
a. directional
b. microware
c. omnidirectional
d. radio
e. vertical
Answer: C
Difficulty: Easy
Reference: Wireless Ethernet
L.O.: Be able to design wireless Ethernet LANs
95. __________ antennas project a signal in only one direction and are most often used on the inside of an exterior wall pointing to the inside of the building for security reasons.
a. directional
b. microware
c. omnidirectional
d. radio
e. vertical
Answer: A
Difficulty: Medium
Reference: Wireless Ethernet
L.O.: Be able to design wireless Ethernet LANs
96. CSMA/CA is an acronym for:
Carrier Sense Multiple Access with Collision Acknowledgment
Carrier Sense Mode Access with Carrier Avoidance
Carrier Sense Multiple Access with Collision Avoidance
Carrier Sensory Multiple Access without Collision Acknowledgment
Carrier Sense Multiple Acknowledgment with Collision Avoidance
Answer: C
Difficulty: Medium
Reference: Wired Ethernet
L.O.: Be able to design wireless Ethernet LANs
97. Another name for distributed coordination function (DCF) is __________.
distributed carrier sense method
physical carrier sense method
physical carrier sense mode
distributed carrier sense mode
distributed coordination mode
Answer: B
Difficulty: Medium
Reference: Wireless Ethernet
L.O.: Be able to design wireless Ethernet LANs
98. When a computer transmits at the same time because it cannot sense that another computer on the WLAN is currently transmitting is referred to as the:
out of range problem
collision problem
hidden node problem
controlled access problem
media access problem
Answer: C
Difficulty: Medium
Reference: Wireless Ethernet
L.O.: Be able to design wireless Ethernet LANs
99. The maximum data rate of a an 802.11ad WLAN is
a. 24 Mbps
b. 36 Mbps
c. 11 Mbps
d. 54 Mbps
e. 9 Mbps
Answer: D
Difficulty: Easy
Reference: Wireless Ethernet
L.O.: Be able to design wireless Ethernet LANs
100. 802.11g is backward compatible with which type of LAN?
a. 802.11a
b. 802.11b
c. 802.15
d. 802.3
e. 802.5
Answer: B
Difficulty: Medium
Reference: Wireless Ethernet
L.O.: Be able to design wireless Ethernet LANs
101. How many channels does 802.11g provide for communication with clients,
20
12
10
3
8
Answer: D
Difficulty: Medium
Reference: Wireless Ethernet
L.O.: Be able to design wireless Ethernet LANs
102. The maximum data rate of an 802.11g WLAN is
24 Mbps
36 Mbps
11 Mbps
54 Mbps
9 Mbps
Answer: D
Difficulty: Easy
Reference: Wireless Ethernet
L.O.: Be able to design wireless Ethernet LANs
103. Which of the following standards is backward compatible with IEEE802.11a, b, and g?
a. 802.11a
b. 802.11b
c. 802.11g
d. 802.11n
e. 802.15
Answer: D
Difficulty: Medium
Reference: Wireless Ethernet
L.O.: Be able to design wireless Ethernet LANs
104. Many organizations today are installing traditional wired Ethernet for desktop users and install Wi-Fi as ______________.
a. overlay networks
b. Bluetooth
c. cellular networks
d. mobile networks
e. Ethernet networks
Answer: A
Difficulty: Medium
Reference: The Best Practice LAN Design
L.O.: Be able to design wireless Ethernet LANs
105. Which of the following is not determined by a site survey?
a. feasibility of the desired coverage
b. potential sources of interference
c. the security of the WLAN
d. estimated number of access points needed to provide coverage
e. current locations of the wired network into which the WLAN will connect.
Answer: C
Difficulty: Medium
Reference: Wireless Ethernet
L.O.: Be able to improve LAN performance
106. _____________ refers to practice of writing symbols in chalk on sidewalks and walls to indicate the presence of an unsecured WLAN.
a. wardriving
b. chalking
c. warchalking
d. marking
e. identifying
Answer: C
Difficulty: Medium
Reference: Wireless Ethernet
L.O.: Be able to design wireless Ethernet LANs
107. With _____________, the AP permits the owner to provide a list of valid addresses that can connect.
EAP.
SSID
WEP
MAC address filtering
SWEP
Answer: D
Difficulty: Medium
Reference: Wireless Ethernet
L.O.: Be able to design wireless Ethernet LANs
108.
IEEE 802.11ac runs on which of the following two different frequency spectrums simultaneously?
a. 2.4GHz and 5GHz
b. 24GHz and 5GHz
c. 11GHz and 54GHz
d. 8GHz and 11GHz
e. 2.4GHz and 11GHz
Answer: A
Difficulty: Medium
Reference: Wireless Ethernet
L.O.: Be able to design wireless Ethernet LANs
109. WiGig is standardized as
a. IEEE 802.11ad
b. IEEE 802.11ac
c. IEEE 802.11n
d. IEEE 802.11g
e. IEEE 802.11a
Answer: A
Difficulty: Medium
Reference: Wireless Ethernet
L.O.: Be able to design wireless Ethernet LANs
A second type of network that a wireless access point provides is a ______ that is secured by a separate password that is entered on a Web page when you first connect to the network.
WI-LO network
guest network
transient network
IEEE 802.temp
IEEE 802.11guest
Answer: A
Difficulty: Medium
Reference: Wireless Ethernet
L.O.: Be able to design wireless Ethernet LANs
The ___________ is where the organization housing its primary servers.
MDF
guest house
SOHO network
data center
load balancer
Answer: D
Difficulty: Medium
Reference: The Best Practice LAN Design
L.O.: Understand the major components of LANs
The ________ acts as a router at the front of the server farm.
load router
MDF
Layer 2 switch
front-end loader
load balancer
Answer: E
Difficulty: Medium
Reference: The Best Practice LAN Design
L.O.: Understand the major components of LANs
____ is the process of creating several logically separate servers on the same physical computer.
Server virtualization
Server optimization
Server proliferation
Server platforming
Server redundancy
Answer: A
Difficulty: Medium
Reference: The Best Practice LAN Design
L.O.: Understand the major components of LANs
A ___ has a set of high-speed storage devices and servers that are networked together using a very high speed network.
wide area network
local area network
storage area network
storage server
local area storage WAN
Answer: C
Difficulty: Medium
Reference: The Best Practice LAN Design
L.O.: Understand the major components of LANs
The _____ contains the servers that are designed to serve data to customers and suppliers.
e-commerce edge
SAN
LAN
domain controller
bottleneck
Answer: A
Difficulty: Medium
Reference: The Best Practice LAN Design
L.O.: Understand the major components of LANs
Short Answer and Essay Questions:
What does a NOS do? What are the major software parts of a NOS? What is the most important characteristic of a NOS? What are two NOS product names?
Describe CSMA, CD and CA. How does this work, in essence? Compare this to wireless LANS? How are they similar, and how are they different in terms of MAC?
Identify and describe the components of a data center.
What are two other names for NIC cards?
Describe in detail the difference between a hub and a switch in a LAN. Draw a diagram of each, and then mark it to show some of the points that you have made in your discussion of the differences. Discuss the difference between shared Ethernet and switched Ethernet in light of your answer.
Given a specific description of an Ethernet type, be prepared to answer questions regarding its speed, type of transmission and physical structure, e.g., 100BaseT, etc.
Define the three modes of switch operations.
What is the best practice Ethernet at the present time? Describe, and explain why this is best practice. What is the best practice wireless at the present time? Describe and explain why this is best practice. Would you install a wired or wireless Ethernet right now? Describe, if you were a manager, what your network of choice would be and why.
Discuss in detail how you would improve a LAN network’s performance, and what you would look for.
What is the difference in a logical and physical topology?
What are three reasons why Wi Fi has grown in popularity?
What is the “hidden node” problem, and what do you need to do about it in the best LAN design for wireless?
How might you as a network manager improve WLAN performance?
What devices are needed to build a wireless network?
Describe war-chalking, war-driving, and war-walking.
Compare a switched Ethernet to a wireless Ethernet. What are four essential differences between these two approaches to building a LAN? Give three reasons why a switched Ethernet is preferable to wireless. Three reasons why wireless might be preferred to switched?
Select three different types of IEEE 802.11 and describe when it might be best to use each one.
Discuss wireless network security. What are some of the critical problems, what are some of the defenses against these problems? List five potential weaknesses in security and five potential solutions to these perceived weaknesses.
Describe how you might secure your home wireless network.
What is the purpose of the e-commerce edge?
