Question 1

A _______________ is a particular type of network that uses circuits that run over the Internet but that appears to the user to be a private network.

Accepted Answer

A)   local carrier network
B)   virtual private network
C)   integrated service digital network
D)   software defined network
E)   SONET networkF) All of the above
G) A) and B)

Question 2

Packet switched networks enable packets from separate messages or separate organizations to be interleaved for transmission.

Accepted Answer

A) True 
 B)False

Question 3

Full mesh networks are inexpensive.

Accepted Answer

A) True 
 B)False

Question 4

SONET is made up of very high speed dedicated circuits that incorporate inverse multiplexing (IMUX)for all levels above the OC-1 level.

Accepted Answer

A) True 
 B)False

Question 5

The data rate for a T-3 circuit in North America is:

Accepted Answer

A)   1.544 Mbps
B)   6.312 Mbps
C)   44.376 Mbps
D)   274.176 Mbps
E)   1.544 GbpsF) D) and E)
G) A) and E)

Question 6

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

Accepted Answer

A) True 
 B)False

Question 7

Compare and contrast frame relay,ATM,MPLS and Ethernet service networks.

Accepted Answer

Frame relay, ATM, MPLS, and Ethernet are...

Question 8

________ is a type of WAN connection that uses the normal voice telephone network.

Accepted Answer

A)   ATM
B)   Dial-up service
C)   T-Carrier services
D)   Digital Subscriber Line
E)   X.25F) A) and B)
G) B) and C)

Question 9

Another way to refer to dialed services is by the term,plain vanilla telephone service (PVTS).

Accepted Answer

A) True 
 B)False

Question 10

A _________ is a connection-oriented approach to sending packets on a packet switched service.

Accepted Answer

A)   permanent virtual circuit
B)   datagram
C)   histogram
D)   bursty packet
E)   fractional T-1 networkF) B) and D)
G) A) and B)

Question 11

Today,a common carrier that provides long distance services is typically called a local exchange carrier.

Accepted Answer

A) True 
 B)False

Question 12

Frame relay is a reliable packet service.

Accepted Answer

A) True 
 B)False

Question 13

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) A) and B)
G) A) and C)

Question 14

____________ are companies that build a data and telecommunications infrastructure from which other companies can lease services for WANs and MANs.

Accepted Answer

A)   Common carriers
B)   Router manufacturers
C)   Standards organizations
D)   CSUs
E)   PUCsF) A) and D)
G) A) and E)

Question 15

Describe the three types of VPN.

Accepted Answer

The three types of VPN are remote access...

Question 16

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) None of the above
G) A) and C)

Question 17

With a virtual private network,users create permanent virtual circuits through the Internet called:

Accepted Answer

A)   bursts
B)   cells
C)   tunnels
D)   rings
E)   cloudsF) D) and E)
G) B) and C)

Question 18

A WAN with a ring topology can use full or half duplex circuits

Accepted Answer

A) True 
 B)False

Question 19

A _______ is a connectionless method of sending data packets on a packet switched service.

Accepted Answer

A)   bursty packet
B)   virtual circuit
C)   datagram
D)   histogram
E)   permanent virtual circuitF) A) and C)
G) All of the above

Question 20

______________ are sometimes called private line services.

Accepted Answer

A)   WANs
B)   LANs
C)   Circuit-switched networks
D)   Dedicated-circuit networks
E)   Routed-backbone networksF) C) and D)
G) A) and D)

Exam 8: Wide Area Networks

A _______ is a connectionless method of sending data packets on a packet switched service.

Correct AnswerverifiedShow Answer

Full mesh networks are inexpensive.

Correct AnswerverifiedShow Answer

________ is a type of WAN connection that uses the normal voice telephone network.

Correct AnswerverifiedShow Answer

______________ are sometimes called private line services.

Correct AnswerverifiedShow Answer

Another way to refer to dialed services is by the term,plain vanilla telephone service (PVTS).

Correct AnswerverifiedShow Answer

The data rate for a T-3 circuit in North America is:

Correct AnswerverifiedShow Answer

Packet switched networks enable packets from separate messages or separate organizations to be interleaved for transmission.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

With a virtual private network,users create permanent virtual circuits through the Internet called:

Correct AnswerverifiedShow Answer

____________ are companies that build a data and telecommunications infrastructure from which other companies can lease services for WANs and MANs.

Correct AnswerverifiedShow Answer

Frame relay is a reliable packet service.

Correct AnswerverifiedShow Answer

A _______________ is a particular type of network that uses circuits that run over the Internet but that appears to the user to be a private network.

Correct AnswerverifiedShow Answer

A _________ is a connection-oriented approach to sending packets on a packet switched service.

Correct AnswerverifiedShow Answer

A WAN with a ring topology can use full or half duplex circuits

Correct AnswerverifiedShow Answer

Describe the three types of VPN.

Correct AnswerAnswered by ExamLex AIThe three types of VPN are remote access...View AnswerShow Answer

Today,a common carrier that provides long distance services is typically called a local exchange carrier.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Compare and contrast frame relay,ATM,MPLS and Ethernet service networks.

Correct AnswerAnswered by ExamLex AIFrame relay, ATM, MPLS, and Ethernet are...View AnswerShow Answer

SONET is made up of very high speed dedicated circuits that incorporate inverse multiplexing (IMUX)for all levels above the OC-1 level.

Correct AnswerverifiedShow Answer

A star topology is:

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
Answered by ExamLex AI
The three types of VPN are remote access...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
Answered by ExamLex AI
Frame relay, ATM, MPLS, and Ethernet are...
View Answer

Correct Answer
verified

Correct Answer
verified