Question 1

Ethernet/IP packet networks are not provided by common carriers such as AT&T.

Accepted Answer

A) True 
 B)False

Question 2

OC-3072 has a data rate of

Accepted Answer

A) 159.25 Gbps 
B) 39.813 Gbps 
C) 1.544 Mbps 
D) 100 Mbps 
E) 1.244 Gbps 
A) 159.25 Gbps 
B) 39.813 Gbps 
C) 1.544 Mbps 
D) 100 Mbps 
E) 1.244 Gbps

Question 3

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 4

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 circuit 
A) bursty packet 
B) virtual circuit 
C) datagram 
D) histogram 
E) permanent virtual circuit

Question 5

In a packet switched network, permanent virtual circuits that look very similar to a _____________ for hardware-based dedicated circuits) move packets through the network.

Accepted Answer

A) cloud-based ring design 
B) cloak-based mesh design 
C) cloud-based mesh design 
D) common carrier ring design 
E) common carrier bus design 
A) cloud-based ring design 
B) cloak-based mesh design 
C) cloud-based mesh design 
D) common carrier ring design 
E) common carrier bus design

Question 6

Describe six ways in which a network manager might improve WAN service.

Accepted Answer

1. Implement Quality of Service (QoS) po

Question 7

The committed information rate CIR) in a permanent virtual circuit is the maximum allowable rate that the network will attempt to provide.

Accepted Answer

A) True 
 B)False

Question 8

How does a SVC differ from a PVC?

Accepted Answer

A SVC (Switched Virtual Circuit) and a P

Question 9

Explain the differences between CIR and MAR.

Accepted Answer

CIR (Committed Information Rate) and MAR

Question 10

The performance of WANs can be improved by:

Accepted Answer

A) upgrading the circuits between the computers 
B) increasing the demand placed on the network 
C) downgrading the circuits between the computers 
D) downgrading the devices that provide access to the circuits 
E) increasing network traffic 
A) upgrading the circuits between the computers 
B) increasing the demand placed on the network 
C) downgrading the circuits between the computers 
D) downgrading the devices that provide access to the circuits 
E) increasing network traffic

Question 11

Which of the following is not a basic architecture for dedicated circuit networks?

Accepted Answer

A) ring 
B) partial mesh 
C) bus 
D) star 
E) full mesh 
A) ring 
B) partial mesh 
C) bus 
D) star 
E) full mesh

Question 12

In North America, a T1 circuit has ______ 64Kbps channels.

Accepted Answer

A) 2 
B) 30 
C) 24 
D) 12 
E) 36 
A) 2 
B) 30 
C) 24 
D) 12 
E) 36

Question 13

The data rate for a T-1 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 Gbps 
A) 1.544 Mbps 
B) 6.312 Mbps 
C) 44.376 Mbps 
D) 274.176 Mbps 
E) 1.544 Gbps

Question 14

What are the benefits of IP services over other packet-switched options?

Accepted Answer

IP (Internet Protocol) services offer se

Question 15

A ___________ is/are devices that permit a user to connect to a digital T-carrier service.

Accepted Answer

A) modem 
B) codec 
C) CSU/DSU 
D) NIC 
E) ATM 
A) modem 
B) codec 
C) CSU/DSU 
D) NIC 
E) ATM

Question 16

Virtual private networks permit users to create permanent virtual circuits, or tunnels, through the Internet.

Accepted Answer

A) True 
 B)False

Question 17

In building Wide Area Networks, many organizations do not build their own long distance communication circuits

Accepted Answer

A) True 
 B)False

Ethernet/IP packet networks are not provided by common carriers such as AT&T.

OC-3072 has a data rate of

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

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

In a packet switched network, permanent virtual circuits that look very similar to a _____________ for hardware-based dedicated circuits) move packets through the network.

Describe six ways in which a network manager might improve WAN service.

The committed information rate CIR) in a permanent virtual circuit is the maximum allowable rate that the network will attempt to provide.

How does a SVC differ from a PVC?

Explain the differences between CIR and MAR.

The performance of WANs can be improved by:

Which of the following is not a basic architecture for dedicated circuit networks?

In North America, a T1 circuit has ______ 64Kbps channels.

The data rate for a T-1 circuit in North America is:

What are the benefits of IP services over other packet-switched options?

A ___________ is/are devices that permit a user to connect to a digital T-carrier service.

Virtual private networks permit users to create permanent virtual circuits, or tunnels, through the Internet.

In building Wide Area Networks, many organizations do not build their own long distance communication circuits

Introduction to Data Communications

Application Layer

Physical Layer

Data Link Layer

Network and Transport Layers

Network Design

Wired and Wireless Local Area Networks

Backbone Networks

The Internet

Network Security

Network Management

Filters

Exam 9: Wide Area Networks

Ethernet/IP packet networks are not provided by common carriers such as AT&T.

OC-3072 has a data rate of

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

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

In a packet switched network, permanent virtual circuits that look very similar to a _____________ for hardware-based dedicated circuits) move packets through the network.

Describe six ways in which a network manager might improve WAN service.

The committed information rate CIR) in a permanent virtual circuit is the maximum allowable rate that the network will attempt to provide.

How does a SVC differ from a PVC?

Explain the differences between CIR and MAR.

The performance of WANs can be improved by:

Which of the following is not a basic architecture for dedicated circuit networks?

In North America, a T1 circuit has ______ 64Kbps channels.

The data rate for a T-1 circuit in North America is:

What are the benefits of IP services over other packet-switched options?

A ___________ is/are devices that permit a user to connect to a digital T-carrier service.

Virtual private networks permit users to create permanent virtual circuits, or tunnels, through the Internet.

In building Wide Area Networks, many organizations do not build their own long distance communication circuits

Introduction to Data Communications

Application Layer

Physical Layer

Data Link Layer

Network and Transport Layers

Network Design

Wired and Wireless Local Area Networks

Backbone Networks

The Internet

Network Security

Network Management

Filters