Question 1

100Base-T:

Accepted Answer

A) supports 100 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 
A) supports 100 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

Question 2

Which of the following is not a potential bottleneck for LAN performance?

Accepted Answer

A) number and speed of hard disks in the server 
B) amount of memory in the server 
C) speed of server's CPU 
D) network interface card 
E) all of the answers are potential bottlenecks for LAN performance 
A) number and speed of hard disks in the server 
B) amount of memory in the server 
C) speed of server's CPU 
D) network interface card 
E) all of the answers are potential bottlenecks for LAN performance

Question 3

_____________ is the software that controls the network.

Accepted Answer

A) Network Operating System 
B) Client Operating System 
C) Embedded Operating System 
D) Network Control System 
E) Network Software System 
A) Network Operating System 
B) Client Operating System 
C) Embedded Operating System 
D) Network Control System 
E) Network Software System

Question 4

Store and forward switching may only be used when the incoming and outgoing data circuit have the same data rate.

Accepted Answer

A) True 
 B)False

Question 5

LANs that run on radio frequencies use a type of wired media.

Accepted Answer

A) True 
 B)False

Question 6

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.

Accepted Answer

A) user profile 
B) user access log 
C) network profile 
D) network operating system 
E) server allocation list 
A) user profile 
B) user access log 
C) network profile 
D) network operating system 
E) server allocation list

Question 7

The maximum data rate of 802.11b LANs is 12 Mbps.

Accepted Answer

A) True 
 B)False

Question 8

A hierarchical tree of active directory domains within one organization that is linked to other trees in the organization is called a ___________.

Accepted Answer

A) ADS 
B) domain 
C) forest 
D) tree 
E) NDS 
A) ADS 
B) domain 
C) forest 
D) tree 
E) NDS

Question 9

The data link layer protocols used by wireless LANs are similar to the ones used on Ethernet LANs

Accepted Answer

A) True 
 B)False

Question 10

Which of the following is a mode in which a switch reads in the first 64 bytes of the Ethernet frame and then begins forwarding out the frame on an outgoing port?

Accepted Answer

A) fast learning switching 
B) routing switching 
C) fragment-free switching 
D) store switching 
E) cut switching 
A) fast learning switching 
B) routing switching 
C) fragment-free switching 
D) store switching 
E) cut switching

Question 11

Select three different types of IEEE 802.11 and describe when it might be best to use each one.

Accepted Answer

1. IEEE 802.11a: This standard operates

Question 12

A switch can send and receive on all circuits simultaneously.

Accepted Answer

A) True 
 B)False

Question 13

The cheapest time to install network cabling is:

Accepted Answer

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 
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

Question 14

CSMA/CA is an acronym for:

Accepted Answer

A) Carrier Sense Multiple Access with Collision Acknowledgment 
B) Carrier Sense Mode Access with Carrier Avoidance 
C) Carrier Sense Multiple Access with Collision Avoidance 
D) Carrier Sensory Multiple Access without Collision Acknowledgment 
E) Carrier Sense Multiple Acknowledgment with Collision Avoidance 
A) Carrier Sense Multiple Access with Collision Acknowledgment 
B) Carrier Sense Mode Access with Carrier Avoidance 
C) Carrier Sense Multiple Access with Collision Avoidance 
D) Carrier Sensory Multiple Access without Collision Acknowledgment 
E) Carrier Sense Multiple Acknowledgment with Collision Avoidance

Question 15

__________ 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.

Accepted Answer

A) directional 
B) microware 
C) omnidirectional 
D) radio 
E) vertical 
A) directional 
B) microware 
C) omnidirectional 
D) radio 
E) vertical

Question 16

Of the following, which is not true about fiber optic cable?

Accepted Answer

A) it is thinner than unshielded twisted pair cable 
B) it is lighter than unshielded twisted pair cable 
C) it has a very low capacity 
D) it is more expensive than CAT5 unshielded twisted pair cable 
E) it is a type of guided media 
A) it is thinner than unshielded twisted pair cable 
B) it is lighter than unshielded twisted pair cable 
C) it has a very low capacity 
D) it is more expensive than CAT5 unshielded twisted pair cable 
E) it is a type of guided media

Question 17

Discuss in detail how you would improve a LAN network's performance, and what you would look for.

Accepted Answer

Improving a LAN network's performance in

Question 18

Many organizations today are installing traditional wired Ethernet for desktop users and install Wi-Fi as ______________.

Accepted Answer

A) overlay networks 
B) Bluetooth 
C) cellular networks 
D) mobile networks 
E) Ethernet networks 
A) overlay networks 
B) Bluetooth 
C) cellular networks 
D) mobile networks 
E) Ethernet networks

Question 19

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.

Accepted Answer

A) True 
 B)False

Question 20

Many network hubs and switches incorporate repeaters to regenerate signals so that attenuation of the signal does not occur.

Accepted Answer

A) True 
 B)False

100Base-T:

Which of the following is not a potential bottleneck for LAN performance?

_____________ is the software that controls the network.

Store and forward switching may only be used when the incoming and outgoing data circuit have the same data rate.

LANs that run on radio frequencies use a type of wired media.

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.

The maximum data rate of 802.11b LANs is 12 Mbps.

A hierarchical tree of active directory domains within one organization that is linked to other trees in the organization is called a ___________.

The data link layer protocols used by wireless LANs are similar to the ones used on Ethernet LANs

Which of the following is a mode in which a switch reads in the first 64 bytes of the Ethernet frame and then begins forwarding out the frame on an outgoing port?

Select three different types of IEEE 802.11 and describe when it might be best to use each one.

A switch can send and receive on all circuits simultaneously.

The cheapest time to install network cabling is:

CSMA/CA is an acronym for:

__________ 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.

Of the following, which is not true about fiber optic cable?

Discuss in detail how you would improve a LAN network's performance, and what you would look for.

Many organizations today are installing traditional wired Ethernet for desktop users and install Wi-Fi as ______________.

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.

Many network hubs and switches incorporate repeaters to regenerate signals so that attenuation of the signal does not occur.

Introduction to Data Communications

Application Layer

Physical Layer

Data Link Layer

Network and Transport Layers

Network Design

Backbone Networks

Wide Area Networks

The Internet

Network Security

Network Management

Filters

Exam 7: Wired and Wireless Local Area Networks

100Base-T:

Which of the following is not a potential bottleneck for LAN performance?

_____________ is the software that controls the network.

Store and forward switching may only be used when the incoming and outgoing data circuit have the same data rate.

LANs that run on radio frequencies use a type of wired media.

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.

The maximum data rate of 802.11b LANs is 12 Mbps.

A hierarchical tree of active directory domains within one organization that is linked to other trees in the organization is called a ___________.

The data link layer protocols used by wireless LANs are similar to the ones used on Ethernet LANs

Which of the following is a mode in which a switch reads in the first 64 bytes of the Ethernet frame and then begins forwarding out the frame on an outgoing port?

Select three different types of IEEE 802.11 and describe when it might be best to use each one.

A switch can send and receive on all circuits simultaneously.

The cheapest time to install network cabling is:

CSMA/CA is an acronym for:

__________ 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.

Of the following, which is not true about fiber optic cable?

Discuss in detail how you would improve a LAN network's performance, and what you would look for.

Many organizations today are installing traditional wired Ethernet for desktop users and install Wi-Fi as ______________.

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.

Many network hubs and switches incorporate repeaters to regenerate signals so that attenuation of the signal does not occur.

Introduction to Data Communications

Application Layer

Physical Layer

Data Link Layer

Network and Transport Layers

Network Design

Backbone Networks

Wide Area Networks

The Internet

Network Security

Network Management

Filters