Question 1

_____ is a high-speed carrier service that uses ordinary phone circuits to send and receive data.

Accepted Answer

A)  An analog modem
B)  Digital subscriber line
C)  Code division multiple access
D)  A cable modemE) A) and B)
F) A) and C)

Question 2

Any packet-switching network can handle multimedia data.

Accepted Answer

A) True 
 B)False

Question 3

A network interface card (NIC) operates at the Open Systems Interconnection (OSI) model's _____ layers.

Accepted Answer

A)  Presentation and Application
B)  Session and Presentation
C)  Network and Transport
D)  Physical and Data LinkE) All of the above
F) A) and B)

Question 4

In the two-tier architecture of the client / server model,_____.

Accepted Answer

A)  the presentation logic is always on the client
B)  the data management logic is always on the client
C)  the application logic is always on the server
D)  the application logic is always on the clientE) B) and D)
F) None of the above

Question 5

Protocols are devices that connect users to the Internet.

Accepted Answer

A) True 
 B)False

Question 6

The _____ of the Open Systems Interconnection (OSI) model generates the receiver's address and ensures the integrity of messages by making sure packets are delivered without error,in sequence,and with no loss or duplication.

Accepted Answer

A)  Application layer
B)  Presentation layer
C)  Session layer
D)  Transport layerE) A) and B)
F) All of the above

Question 7

An access point (AP)is the part of a wireless local area network (WLAN)that connects it to other networks.

Accepted Answer

A) True 
 B)False

Question 8

Data communication systems increase inventory costs.

Accepted Answer

A) True 
 B)False

Question 9

Internet Protocol (IP) operates at the _____ of the Open Systems Interconnection (OSI) model.

Accepted Answer

A)  Transport layer
B)  Physical layer
C)  Data Link layer
D)  Network layerE) All of the above
F) A) and C)

Question 10

In the context of the technologies developed to improve the efficiency and quality of digital communications,_____ divides each channel into six time slots.

Accepted Answer

A)  Time Division Multiple Access
B)  time of observation
C)  statistical time division multiplexing
D)  Time Slot AllocationE) A) and B)
F) A) and C)

Question 11

Data communication technologies make Web and video conferencing easier,which can reduce the costs of business travel.

Accepted Answer

A) True 
 B)False

Question 12

Describe an intelligent terminal.

Accepted Answer

Answers will vary.An intelligent termina...

Question 13

A hierarchical topology is also called a _____ topology.

Accepted Answer

A)  layered
B)  mixed 
C)  tree
D)  vertical E) A) and B)
F) None of the above

Question 14

In a(n) _____ topology,if any link between nodes is severed,the entire network is affected,and failure of a single node disrupts the entire network.

Accepted Answer

A)  star
B)  ring 
C)  octagonal
D)  mesh E) C) and D)
F) B) and D)

Question 15

List few drawbacks of decentralized systems.

Accepted Answer

Answers will vary.Decentralize...

Question 16

In _____,each department has its own computer for performing processing tasks.

Accepted Answer

A)  centralized processing
B)  decentralized processing
C)  distributed processing
D)  modular processingE) A) and B)
F) A) and C)

Question 17

Which event takes place in the most basic client / server configuration?

Accepted Answer

A)  The results of a query are sent to the server.
B)  The server sends a request to the client over a network.
C)  The client receives and processes a query.
D)  The user creates a query by running client software.E) C) and D)
F) A) and C)

Question 18

In the context of mobile networking,3G networks have decreased the quality of Internet telephony or Voice over Internet Protocol (VoIP).

Accepted Answer

A) True 
 B)False

Question 19

The data transfer speed of a wide area network (WAN) depends on the speed of _____.

Accepted Answer

A)  its interconnections
B)  its application layers
C)  the expansion of the data source
D)  the expansion of the data sinkE) A) and B)
F) B) and C)

Question 20

What are the major types of networks?

Accepted Answer

Answers will vary.There are three major ...

Exam 6: Data Communication: Delivering Information Anywhere and Anytime

The data transfer speed of a wide area network (WAN) depends on the speed of _____.

Correct AnswerverifiedShow Answer

The _____ of the Open Systems Interconnection (OSI) model generates the receiver's address and ensures the integrity of messages by making sure packets are delivered without error,in sequence,and with no loss or duplication.

Correct AnswerverifiedShow Answer

Describe an intelligent terminal.

Correct AnswerverifiedAnswers will vary.An intelligent termina...View AnswerShow Answer

_____ is a high-speed carrier service that uses ordinary phone circuits to send and receive data.

Correct AnswerverifiedShow Answer

Which event takes place in the most basic client / server configuration?

Correct AnswerverifiedShow Answer

Data communication technologies make Web and video conferencing easier,which can reduce the costs of business travel.

Correct AnswerverifiedShow Answer

In the context of the technologies developed to improve the efficiency and quality of digital communications,_____ divides each channel into six time slots.

Correct AnswerverifiedShow Answer

List few drawbacks of decentralized systems.

Correct AnswerverifiedAnswers will vary.Decentralize...View AnswerShow Answer

In the two-tier architecture of the client / server model,_____.

Correct AnswerverifiedShow Answer

What are the major types of networks?

Correct AnswerverifiedAnswers will vary.There are three major ...View AnswerShow Answer

Internet Protocol (IP) operates at the _____ of the Open Systems Interconnection (OSI) model.

Correct AnswerverifiedShow Answer

In _____,each department has its own computer for performing processing tasks.

Correct AnswerverifiedShow Answer

A network interface card (NIC) operates at the Open Systems Interconnection (OSI) model's _____ layers.

Correct AnswerverifiedShow Answer

Protocols are devices that connect users to the Internet.

Correct AnswerverifiedShow Answer

A hierarchical topology is also called a _____ topology.

Correct AnswerverifiedShow Answer

An access point (AP)is the part of a wireless local area network (WLAN)that connects it to other networks.

Correct AnswerverifiedShow Answer

Any packet-switching network can handle multimedia data.

Correct AnswerverifiedShow Answer

In a(n) _____ topology,if any link between nodes is severed,the entire network is affected,and failure of a single node disrupts the entire network.

Correct AnswerverifiedShow Answer

Data communication systems increase inventory costs.

Correct AnswerverifiedShow Answer

In the context of mobile networking,3G networks have decreased the quality of Internet telephony or Voice over Internet Protocol (VoIP).

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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Answers will vary.An intelligent termina...
View Answer

Correct Answer
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Correct Answer
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Correct Answer
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Answers will vary.Decentralize...
View Answer

Correct Answer
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Correct Answer
verified
Answers will vary.There are three major ...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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