Question 1

Which of the following statements is true of the different forms of sender and receiver devices?

Accepted Answer

A)   Thin clients have processing power.
B)   Smart terminals are full-featured computers.
C)   Workstations serve as stand-alone systems.
D)   Netbook computers are high-cost computers with disks.E) A) and B)
F) A) and C)

Question 2

Why is an efficient data communication system critical to an information system?

Accepted Answer

Answers will vary.An information system'...

Question 3

Describe an intelligent terminal.

Accepted Answer

Answers will vary.An intelligent termina...

Question 4

In the context of data communication, which of the following media is based on "line of sight"?

Accepted Answer

A)   A terrestrial microwave
B)   A mechanical wave
C)   A coaxial cable
D)   A fiber-optic cableE) A) and C)
F) All of the above

Question 5

_____ is the physical link between a network and a workstation.

Accepted Answer

A)   The session layer
B)   An adapter card
C)   An html address
D)   A network topologyE) A) and D)
F) A) and C)

Question 6

Briefly explain a wide area network (WAN).

Accepted Answer

Answers will vary.A WAN can span several...

Question 7

Describe a mesh topology and its advantages.

Accepted Answer

Answers will vary.In a mesh topology (al...

Question 8

Transmission of data across satellites is an example of data communication through _____.

Accepted Answer

A)   conducted media
B)   radiated media
C)   induced media
D)   uprooted mediaE) B) and D)
F) A) and B)

Question 9

Horizontal scaling of a client / server architecture means _____.

Accepted Answer

A)   migrating the network to decentralized servers
B)   migrating the network to a faster communication media
C)   adding more proxy servers
D)   adding more workstationsE) None of the above
F) All of the above

Question 10

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) B) and C)
F) A) and C)

Question 11

In _____ data transmission, multiple pieces of data are sent simultaneously to increase the transmission rate.

Accepted Answer

A)   narrowband
B)   baseband
C)   broadband
D)   sidebandE) A) and B)
F) B) and C)

Question 12

A _____is typically used to connect workstations and peripheral devices that are in close proximity. ​

Accepted Answer

A)   controller area network
B)   metropolitan area network
C)   wide area network
D)   local area networkE) None of the above
F) All of the above

Question 13

A _____is a collection of binary digits, including message data and control characters for formatting and transmitting, sent from computer to computer over a network. ​

Accepted Answer

A)   bandwidth
B)   packet
C)   topology
D)   protocolE) B) and D)
F) A) and D)

Question 14

In the bus topology, a hardware device called _____ is used at each end of the cable to absorb the transmitted signal.

Accepted Answer

A)   emulator
B)   terminator
C)   stopper
D)   nodeE) A) and C)
F) None of the above

Question 15

Transmission Control Protocol operates at the _____ of the Open Systems Interconnection (OSI)  model.

Accepted Answer

A)   Network layer
B)   Physical layer
C)   Transport layer
D)   Data Link layerE) A) and B)
F) A) and C)

Question 16

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) B) and C)
F) None of the above

Question 17

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

Accepted Answer

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

Question 18

In a(n)  _____, 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 topology
B)   ring topology
C)   octagonal topology
D)   mesh topologyE) A) and B)
F) A) and C)

Question 19

Data communication systems increase inventory costs.

Accepted Answer

A) True 
 B)False

Question 20

In _____, one node is in charge of selecting the path for all packets. ​

Accepted Answer

A)   centralized routing
B)   decentralized routing
C)   distributed routing
D)   clashed routingE) A) and B)
F) A) and C)

Exam 6: Data Communication

Briefly explain a wide area network (WAN).

Correct AnswerverifiedAnswers will vary.A WAN can span several...View AnswerShow 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

_____ is the physical link between a network and a workstation.

Correct AnswerverifiedShow Answer

Horizontal scaling of a client / server architecture means _____.

Correct AnswerverifiedShow Answer

Transmission Control Protocol operates at the _____ of the Open Systems Interconnection (OSI) model.

Correct AnswerverifiedShow Answer

In _____ data transmission, multiple pieces of data are sent simultaneously to increase the transmission rate.

Correct AnswerverifiedShow Answer

Transmission of data across satellites is an example of data communication through _____.

Correct AnswerverifiedShow Answer

Describe an intelligent terminal.

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

A _____is a collection of binary digits, including message data and control characters for formatting and transmitting, sent from computer to computer over a network. ​

Correct AnswerverifiedShow Answer

Describe a mesh topology and its advantages.

Correct AnswerverifiedAnswers will vary.In a mesh topology (al...View AnswerShow Answer

A _____is typically used to connect workstations and peripheral devices that are in close proximity. ​

Correct AnswerverifiedShow Answer

In a(n) _____, 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

In the bus topology, a hardware device called _____ is used at each end of the cable to absorb the transmitted signal.

Correct AnswerverifiedShow Answer

Which of the following statements is true of the different forms of sender and receiver devices?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

In the context of data communication, which of the following media is based on "line of sight"?

Correct AnswerverifiedShow Answer

In _____, one node is in charge of selecting the path for all packets. ​

Correct AnswerverifiedShow Answer

Data communication systems increase inventory costs.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Why is an efficient data communication system critical to an information system?

Correct AnswerverifiedAnswers will vary.An information system'...View AnswerShow Answer

Correct Answer
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Answers will vary.A WAN can span several...
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verified
Answers will vary.An intelligent termina...
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A _____is a collection of binary digits, including message data and control characters for formatting and transmitting, sent from computer to computer over a network.

Correct Answer
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Correct Answer
verified
Answers will vary.In a mesh topology (al...
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A _____is typically used to connect workstations and peripheral devices that are in close proximity.

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Correct Answer
verified

Correct Answer
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In _____, one node is in charge of selecting the path for all packets.

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Correct Answer
verified

Correct Answer
verified
Answers will vary.An information system'...
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