Question 1

The telephone companies were the earliest source of WAN connectivity.

Accepted Answer

A) True 
 B)False  True

Question 2

Flow control ensures that one device does not send information faster than it can be received by another device.

Accepted Answer

A) True 
 B)False  True

Question 3

What is encryption? Which OSI layer is responsible for encryption?

Accepted Answer

Encryption is a process that scrambles the data so that it cannot be read if intercepted by unauthorized users. The Presentation layer is responsible for data encryption.

Question 4

A bus network has a(n)____________________ at each end.

Accepted Answer

The answer of A bus network has a(n)____________________ at each...

Question 5

____________________ are logical communication paths set up to send and receive data.

Accepted Answer

The answer of ____________________ are logical communication paths set up...

Question 6

Which is not true about FDDI?

Accepted Answer

A) It uses token passing for network communications. 
B) It uses fiber-optic cable as the communications medium. 
C) It was developed in the mid-1980s to provide higher-speed data communications than that offered by Ethernet or token ring. 
D) None of the above. 
A) It uses token passing for network communications. 
B) It uses fiber-optic cable as the communications medium. 
C) It was developed in the mid-1980s to provide higher-speed data communications than that offered by Ethernet or token ring. 
D) None of the above.

Question 7

The figure above shows a ____ network.

Accepted Answer

A) bus 
B) ring 
C) star 
D) None of the above. 
A) bus 
B) ring 
C) star 
D) None of the above.

Question 8

In a connectionless protocol a logical connection is established between sending and receiving nodes before full communications begin.

Accepted Answer

A) True 
 B)False

Question 9

The figure above shows a ____ network.

Accepted Answer

A) bus 
B) ring 
C) star 
D) None of the above. 
A) bus 
B) ring 
C) star 
D) None of the above.

Question 10

Which is not true about bus networks?

Accepted Answer

A) They are relatively inexpensive to implement. 
B) It is easy to isolate a single malfunctioning node or cable segment. 
C) They work well for small networks. 
D) None of the above. 
A) They are relatively inexpensive to implement. 
B) It is easy to isolate a single malfunctioning node or cable segment. 
C) They work well for small networks. 
D) None of the above.

Question 11

Match between columns
                        Premises: The bottom layer of the OSI model.
The task of this layer is to organize bits so that they are formatted into frames.
This layer ensures that data is sent and received in the same order.
This layer is responsible for data encryption.
This is the layer computer programmers use to connect workstations to network services.
Whenever you use an Internet browser, you are working through this layer.
This layer controls the passage of packets along the network.
This layer determines how long a node can transmit and how to recover from transmission errors.
This layer establishes the level of packet error checking.

Accepted Answer

The Answer of Network Layer and Presentation Layer and Physical is...

Question 12

A(n)T-carrier line is a dedicated telephone line that can be used for data communications to connect two different locations for continuous point-to-point communications.

Accepted Answer

A) True 
 B)False

Question 13

____________________ is used to provide a way to quickly adapt protocols that are not fully compliant with 802.2 standards, such as AppleTalk and DEC's LAT protocols.

Accepted Answer

The answer of ____________________ is used to provide a way...

Question 14

Satellite is the most expensive way to build a wireless WAN that connects LANs.

Accepted Answer

A) True 
 B)False

Question 15

All MAUs must have terminators.

Accepted Answer

A) True 
 B)False

Question 16

The MAC sublayer of the Data Link layer does not ____.

Accepted Answer

A) ensure reliable communications by initiating a communications link between two nodes and then guarding them against interruptions to the link 
B) examine the physical or device address information contained in each frame 
C) regulate how multiple devices share communications on the same network 
D) None of the above. 
A) ensure reliable communications by initiating a communications link between two nodes and then guarding them against interruptions to the link 
B) examine the physical or device address information contained in each frame 
C) regulate how multiple devices share communications on the same network 
D) None of the above.

Question 17

In a traditional ring design, there are two terminators.

Accepted Answer

A) True 
 B)False

Question 18

An ordinary radio or telephone signal is an example of a(n)____________________ transmission.

Accepted Answer

The answer of An ordinary radio or telephone signal is...

Question 19

____ protocols enable an OSI layer on a sending node to communicate with the same layer on the receiving node.

Accepted Answer

A) Layer 
B) Peer 
C) Link 
D) Transfer 
A) Layer 
B) Peer 
C) Link 
D) Transfer

Question 20

____ generates the least amount of network traffic.

Accepted Answer

A) Network users primarily accessing word-processing software 
B) Networks on which there is frequent exchange of database information 
C) Scientific and publications software 
D) Both A and B. 
A) Network users primarily accessing word-processing software 
B) Networks on which there is frequent exchange of database information 
C) Scientific and publications software 
D) Both A and B.

The telephone companies were the earliest source of WAN connectivity.

Flow control ensures that one device does not send information faster than it can be received by another device.

What is encryption? Which OSI layer is responsible for encryption?

A bus network has a(n)____________________ at each end.

____________________ are logical communication paths set up to send and receive data.

Which is not true about FDDI?

The figure above shows a ____ network.

In a connectionless protocol a logical connection is established between sending and receiving nodes before full communications begin.

The figure above shows a ____ network.

Which is not true about bus networks?

A(n)T-carrier line is a dedicated telephone line that can be used for data communications to connect two different locations for continuous point-to-point communications.

____________________ is used to provide a way to quickly adapt protocols that are not fully compliant with 802.2 standards, such as AppleTalk and DEC's LAT protocols.

Satellite is the most expensive way to build a wireless WAN that connects LANs.

All MAUs must have terminators.

The MAC sublayer of the Data Link layer does not ____.

In a traditional ring design, there are two terminators.

An ordinary radio or telephone signal is an example of a(n)____________________ transmission.

____ protocols enable an OSI layer on a sending node to communicate with the same layer on the receiving node.

____ generates the least amount of network traffic.

Lan/Wan Networking: an Overview

Physical Transmission Options

Network Transmission Equipment

Lan Protocols

Tcp/Ip Past, Present, and Future

Wan Transport Methods

ATM Technologies

Wireless Technologies

Integrating Voice, Video, and Data

Lan and Wan Design: Putting It All Together

Filters

Exam 2: Lan/Wan Interconnectivity

The telephone companies were the earliest source of WAN connectivity.

Flow control ensures that one device does not send information faster than it can be received by another device.

What is encryption? Which OSI layer is responsible for encryption?

A bus network has a(n)____________________ at each end.

____________________ are logical communication paths set up to send and receive data.

Which is not true about FDDI?

The figure above shows a ____ network.

In a connectionless protocol a logical connection is established between sending and receiving nodes before full communications begin.

The figure above shows a ____ network.

Which is not true about bus networks?

A(n)T-carrier line is a dedicated telephone line that can be used for data communications to connect two different locations for continuous point-to-point communications.

____________________ is used to provide a way to quickly adapt protocols that are not fully compliant with 802.2 standards, such as AppleTalk and DEC's LAT protocols.

Satellite is the most expensive way to build a wireless WAN that connects LANs.

All MAUs must have terminators.

The MAC sublayer of the Data Link layer does not ____.

In a traditional ring design, there are two terminators.

An ordinary radio or telephone signal is an example of a(n)____________________ transmission.

____ protocols enable an OSI layer on a sending node to communicate with the same layer on the receiving node.

____ generates the least amount of network traffic.

Lan/Wan Networking: an Overview

Physical Transmission Options

Network Transmission Equipment

Lan Protocols

Tcp/Ip Past, Present, and Future

Wan Transport Methods

ATM Technologies

Wireless Technologies

Integrating Voice, Video, and Data

Lan and Wan Design: Putting It All Together

Filters