Question 1

Compare LANs, WANs, and MANs.

Accepted Answer

A local area network (LAN) is designed t...

Question 2

Identify the different media types found in networks

Accepted Answer

Wire media are transmission material man...

Question 3

Which of the following is not a significant challenge associated with VPNs and VANs?

Accepted Answer

A)   They handle only limited kinds of business information
B)   They offer little support for the real-time business process integration
C)   They are relatively inexpensive and easy to implement
D)   None of the aboveE) C) and D)
F) None of the above

Question 4

List and describe many of the network security problems.

Accepted Answer

An organization has to be concerned abou...

Question 5

What refers to a type of cable composed of four (or more)  copper wires twisted around each other within a plastic sheath?

Accepted Answer

A)   Twisted-pair wiring
B)   Coaxial cable
C)   Fiber-optic cable
D)   Transmission control protocol/internet protocolE) All of the above
F) None of the above

Question 6

____________ measures cycles per second, and baud is the number of signals sent per second.

Accepted Answer

The answer of ____________ measures cycles per second, and baud...

Question 7

Which of the following represents Gbps?

Accepted Answer

A)   Thousand bits per second
B)   Million bits per second
C)   Billion bits per second
D)   None of the aboveE) A) and D)
F) B) and C)

Question 8

What is a large computer network usually spanning a city?

Accepted Answer

A)   Client/server network
B)   Corporate network
C)   Metropolitan area network
D)   Peer-to-peer networkE) C) and D)
F) A) and B)

Question 9

Which of the following is not a commonly used type of guided media?

Accepted Answer

A)   Twisted-pair wiring
B)   Coaxial cable
C)   Fiber-optic cable
D)   Transmission control protocol/internet protocolE) A) and B)
F) A) and C)

Question 10

Describe TCP/IP along with its primary purpose.

Accepted Answer

Transmission Control Protocol/...

Question 11

Compare the two types of network architectures.

Accepted Answer

A peer-to-peer (P2P) network is any netw...

Question 12

File Transfer Protocol (FTP) allows files containing text, programs, graphics, numerical data, and so on to be downloaded off or uploaded onto a network.

Accepted Answer

A) True 
 B)False

Question 13

What is a value-added network?

Accepted Answer

A)   Are natural parts of the Earth's environment that can be used as physical paths to carry electrical signals.
B)   A way to use the public telecommunication infrastructure (e.g., Internet)  to provide secure access to an organization's network.
C)   A private network, provided by a third party, for exchanging information through a high capacity connection.
D)   Refers to a type of cable composed of four (or more)  copper wires twisted around each other within a plastic sheath.E) All of the above
F) B) and C)

Question 14

What is a peer-to-peer network?

Accepted Answer

A)   Enables the transmission of data over public or private networks
B)   A communications, data exchange, and resource-sharing system created by linking two or more computers and establishing standards, or protocols, so that they can work together
C)   Any network without a central file server and in which all computers in the network have access to the public files located on all other workstations
D)   A computer that is designed to request information from a serverE) All of the above
F) None of the above

Question 15

What is packet-switching?

Accepted Answer

A)   Occurs when the sending computer divides a message into a number of efficiently sized units called packets, each of which contains the address of the destination computer
B)   An intelligent connecting device that examines each packet of data it receives and then decides which way to send it onward toward its destination
C)   Refers to the geometric arrangement of the actual physical organization of the computers and other network devices)  in a network
D)   A model for applications in which the bulk of the back-end processing, such as performing a physical search of a database, takes place on a server, while the front-end processing, which involves communicating with the users, is handled by the clientsE) None of the above
F) All of the above

Question 16

What is the typical transmission speed for fiber-optic cable?

Accepted Answer

A)   14.4 Kbps
B)   128 Kbps
C)   10 Mbps
D)   100 GbpsE) All of the above
F) C) and D)

Question 17

How many phone calls in the United States are transmitted over VoIP?

Accepted Answer

A)   10 percent
B)   50 percent
C)   90 percent
D)   Impossible to determineE) A) and C)
F) None of the above

Question 18

____________ is a physical and data layer technology for LAN networking

Accepted Answer

The answer of ____________ is a physical and data layer...

Question 19

There are ____________ layers in the OSI model.

Accepted Answer

The answer of There are ____________ layers in the OSI...

Question 20

Which company has been using Skype's free instant messaging and video calls for more than two years to track communications with international colleagues?

Accepted Answer

A)   Ironman
B)   Rip Curl Surf and Snow Brands
C)   Verizon
D)   All of the aboveE) All of the above
F) B) and C)

Exam 5: Networks and Telecommunications

File Transfer Protocol (FTP) allows files containing text, programs, graphics, numerical data, and so on to be downloaded off or uploaded onto a network.

Correct AnswerverifiedShow Answer

What is a value-added network?

Correct AnswerverifiedShow Answer

What is packet-switching?

Correct AnswerverifiedShow Answer

What is the typical transmission speed for fiber-optic cable?

Correct AnswerverifiedShow Answer

Which of the following represents Gbps?

Correct AnswerverifiedShow Answer

Which of the following is not a commonly used type of guided media?

Correct AnswerverifiedShow Answer

Identify the different media types found in networks

Correct AnswerverifiedWire media are transmission material man...View AnswerShow Answer

Describe TCP/IP along with its primary purpose.

Correct AnswerverifiedTransmission Control Protocol/...View AnswerShow Answer

Compare the two types of network architectures.

Correct AnswerverifiedA peer-to-peer (P2P) network is any netw...View AnswerShow Answer

____________ measures cycles per second, and baud is the number of signals sent per second.

Correct AnswerverifiedShow Answer

What refers to a type of cable composed of four (or more) copper wires twisted around each other within a plastic sheath?

Correct AnswerverifiedShow Answer

____________ is a physical and data layer technology for LAN networking

Correct AnswerverifiedShow Answer

List and describe many of the network security problems.

Correct AnswerverifiedAn organization has to be concerned abou...View AnswerShow Answer

How many phone calls in the United States are transmitted over VoIP?

Correct AnswerverifiedShow Answer

Which of the following is not a significant challenge associated with VPNs and VANs?

Correct AnswerverifiedShow Answer

What is a peer-to-peer network?

Correct AnswerverifiedShow Answer

There are ____________ layers in the OSI model.

Correct AnswerverifiedShow Answer

Which company has been using Skype's free instant messaging and video calls for more than two years to track communications with international colleagues?

Correct AnswerverifiedShow Answer

Compare LANs, WANs, and MANs.

Correct AnswerverifiedA local area network (LAN) is designed t...View AnswerShow Answer

What is a large computer network usually spanning a city?

Correct AnswerverifiedShow Answer

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Wire media are transmission material man...
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Transmission Control Protocol/...
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Correct Answer
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A peer-to-peer (P2P) network is any netw...
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Correct Answer
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An organization has to be concerned abou...
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A local area network (LAN) is designed t...
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Correct Answer
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