Question 1

Which of the following is not a key issue to be considered when selecting a WAN service?

Accepted Answer

A)  prestige value of using a particular common carrier
B)  flexibility
C)  capacity
D)  control
E)  reliabilityF) A) and E)
G) None of the above

Question 2

To connect into a packet switched network, a network terminator is generally used.

Accepted Answer

A) True 
 B)False

Question 3

Each state or Canadian province has its own ___________ to regulate communications within its borders.

Accepted Answer

A)  CRTC
B)  Federal Communications Commission
C)  common carriers
D)  public utilities commission
E)  PTTF) D) and E)
G) None of the above

Question 4

Frame relay is a reliable packet service.

Accepted Answer

A) True 
 B)False  False

Question 5

A dedicated circuit is usually not available late at nights or on weekends.

Accepted Answer

A) True 
 B)False

Question 6

WANs can connect BNs across distances that can span up to thousands of miles.

Accepted Answer

A) True 
 B)False

Question 7

__________ is a term that refers to the speed in converting input packets to output packets.

Accepted Answer

A)  Transfer mode
B)  Latency
C)  Burstiness
D)  Cell relay
E)  Frame relayF) C) and D)
G) A) and B)

Question 8

A star topology is:

Accepted Answer

A)  difficult to manage because the central computer receives and routes all messages in the network
B)  dependent upon the capacity of the central computer for its performance
C)  always slower than a ring network
D)  less susceptible to traffic problems than other architectures
E)  not affected if the central computer failsF) C) and E)
G) A) and E)

Question 9

Which of the following is not a way to reduce network demand?

Accepted Answer

A)  shifting network usage from high cost times to lower cost times
B)  using data compression techniques for all data in the network
C)  requiring a network impact statement for all application software developed by the organization
D)  moving data further from the applications and people who use them
E)  shifting network usage from peak to lower demand timesF) B) and D)
G) All of the above

Question 10

_____________ is sometimes called a Layer 2.5 technology.

Accepted Answer

A)  ATM
B)  MPLS
C)  Ethernet
D)  TCP
E)  IPF) D) and E)
G) A) and B) B

Question 11

Basic rate interface:

Accepted Answer

A)  is typically offered only to commercial customers
B)  provides a communications circuit with two 64 Kbps B channels, plus one D channel
C)  is defined exactly the same way in Europe
D)  has an upper capacity of 1.544 Mbps
E)  is comprised of analog circuits onlyF) A) and B)
G) B) and D)

Question 12

_____________ is a common standard for use by layer 2 access VPNs for encapsulation.

Accepted Answer

A)  L2TP
B)  VPN2
C)  Encapsule2
D)  TCP/IP
E)  PPPF) A) and C)
G) A) and B)

Question 13

A _______ geometric layout for a WAN connects all computers to one central computer that routes messages to the appropriate computer, usually via a series of point-to-point dedicated circuits.

Accepted Answer

A)  ring design
B)  mesh design
C)  bus design
D)  star design
E)  mesh design.F) A) and D)
G) A) and C)

Question 14

Datagrams are connection-oriented.

Accepted Answer

A) True 
 B)False

Question 15

Where does packetizing take place?

Accepted Answer

Packetizing is a process that occurs in ...

Question 16

Suppose you joined a company that had a WAN composed of SONET, T carrier services, and frame relay, each selected to match a specific network need for a certain set of circuits.Would you say this was a well-designed network? Explain.

Accepted Answer

It's difficult to say definitively wheth...

Question 17

Dynamic routing:

Accepted Answer

A)  imposes an overhead cost by increasing network traffic
B)  decreases performance in networks which have many possible routes
C)  decreases performance in networks with "bursty" traffic
D)  should be used in 80 to 90 percent of total networks' capacity
E)  is another term for static routing in WANsF) B) and E)
G) A) and B)

Question 18

_____ are dedicated digital circuits that are the most commonly used form of dedicated circuit services in North America today.

Accepted Answer

A)  Wideband analog services
B)  SMDS
C)  ATM
D)  T-carrier services
E)  ISDNF) A) and C)
G) A) and D)

Question 19

Full mesh design networks are more common than partial mesh design networks.

Accepted Answer

A) True 
 B)False

Question 20

With IP services, the ________ at the sending site takes the outgoing message which usually is an Ethernet frame containing an IP packet) , strips off the Ethernet frame and uses the IP address in the IP packet to route the packet though the carrier's packet‐switched network to its final destination.

Accepted Answer

A)  PAD
B)  gateway
C)  switch
D)  router
E)  WANF) All of the above
G) B) and E) A

Exam 9: Wide Area Networks

Which of the following is not a key issue to be considered when selecting a WAN service?

Correct Answer
verified

To connect into a packet switched network, a network terminator is generally used.

Correct Answer
verified

Each state or Canadian province has its own ___________ to regulate communications within its borders.

Correct Answer
verified

Frame relay is a reliable packet service.

Correct Answer
verified
False

A dedicated circuit is usually not available late at nights or on weekends.

Correct Answer
verified

WANs can connect BNs across distances that can span up to thousands of miles.

Correct Answer
verified

__________ is a term that refers to the speed in converting input packets to output packets.

Correct Answer
verified

A star topology is:

Correct Answer
verified

Which of the following is not a way to reduce network demand?

Correct Answer
verified

_____________ is sometimes called a Layer 2.5 technology.

Correct Answer
verified
B

Basic rate interface:

Correct Answer
verified

_____________ is a common standard for use by layer 2 access VPNs for encapsulation.

Correct Answer
verified

A _______ geometric layout for a WAN connects all computers to one central computer that routes messages to the appropriate computer, usually via a series of point-to-point dedicated circuits.

Correct Answer
verified

Datagrams are connection-oriented.

Correct Answer
verified

Where does packetizing take place?

Correct Answer
Answered by ExamLex AI
Packetizing is a process that occurs in ...
View Answer

Suppose you joined a company that had a WAN composed of SONET, T carrier services, and frame relay, each selected to match a specific network need for a certain set of circuits.Would you say this was a well-designed network? Explain.

Correct Answer
Answered by ExamLex AI
It's difficult to say definitively wheth...
View Answer

Dynamic routing:

Correct Answer
verified

_____ are dedicated digital circuits that are the most commonly used form of dedicated circuit services in North America today.

Correct Answer
verified

Full mesh design networks are more common than partial mesh design networks.

Correct Answer
verified

Correct Answer
verified
A

Exam 9: Wide Area Networks

Which of the following is not a key issue to be considered when selecting a WAN service?

Correct AnswerverifiedShow Answer

To connect into a packet switched network, a network terminator is generally used.

Correct AnswerverifiedShow Answer

Each state or Canadian province has its own ___________ to regulate communications within its borders.

Correct AnswerverifiedShow Answer

Frame relay is a reliable packet service.

Correct AnswerverifiedFalse

A dedicated circuit is usually not available late at nights or on weekends.

Correct AnswerverifiedShow Answer

WANs can connect BNs across distances that can span up to thousands of miles.

Correct AnswerverifiedShow Answer

__________ is a term that refers to the speed in converting input packets to output packets.

Correct AnswerverifiedShow Answer

A star topology is:

Correct AnswerverifiedShow Answer

Which of the following is not a way to reduce network demand?

Correct AnswerverifiedShow Answer

_____________ is sometimes called a Layer 2.5 technology.

Correct AnswerverifiedB

Basic rate interface:

Correct AnswerverifiedShow Answer

_____________ is a common standard for use by layer 2 access VPNs for encapsulation.

Correct AnswerverifiedShow Answer

A _______ geometric layout for a WAN connects all computers to one central computer that routes messages to the appropriate computer, usually via a series of point-to-point dedicated circuits.

Correct AnswerverifiedShow Answer

Datagrams are connection-oriented.

Correct AnswerverifiedShow Answer

Where does packetizing take place?

Correct AnswerAnswered by ExamLex AIPacketizing is a process that occurs in ...View AnswerShow Answer

Suppose you joined a company that had a WAN composed of SONET, T carrier services, and frame relay, each selected to match a specific network need for a certain set of circuits.Would you say this was a well-designed network? Explain.

Correct AnswerAnswered by ExamLex AIIt's difficult to say definitively wheth...View AnswerShow Answer

Dynamic routing:

Correct AnswerverifiedShow Answer

_____ are dedicated digital circuits that are the most commonly used form of dedicated circuit services in North America today.

Correct AnswerverifiedShow Answer

Full mesh design networks are more common than partial mesh design networks.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedA

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
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False

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
verified

Correct Answer
verified

Correct Answer
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B

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
Answered by ExamLex AI
Packetizing is a process that occurs in ...
View Answer

Correct Answer
Answered by ExamLex AI
It's difficult to say definitively wheth...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
A