Question 1

ATM employs a ____-layer architecture, called the ATM Protocol Reference Model.

Accepted Answer

A) one 
B) two 
C) three 
D) four 
A) one 
B) two 
C) three 
D) four D

Question 2

Current frame relay implementations can reach maximum speeds of up to ____ over DS-3 links.

Accepted Answer

A) 64 Kbps 
B) 2.08 Mbps 
C) 10 Mbps 
D) 45 Mbps 
A) 64 Kbps 
B) 2.08 Mbps 
C) 10 Mbps 
D) 45 Mbps D

Question 3

Describe five useful applications for SONET technology.

Accepted Answer

SONET is particularly useful for: Providing very high-speed data connectivity between distant networks (for example, between college campuses and research centers sponsored by private businesses)Video conferencing between distant sites Long-distance teaching High-quality sound and video reproduction High-speed transmission of complex graphics, such as topographic maps and images created through satellite photography.

Question 4

____ enables the transmission rate to vary depending on whether the communication is data, multimedia, or voice.

Accepted Answer

A) RADSL 
B) ADSL 
C) G.lite ADSL 
D) IDSL 
A) RADSL 
B) ADSL 
C) G.lite ADSL 
D) IDSL

Question 5

What are the advantages and disadvantages of Switched Multimegabit Data Service (SMDS)?

Accepted Answer

In addition to high-speed network commun

Question 6

Match between columns
                        Premises: dedicated circuit that has a preassigned path and can have a fixed allocated bandwidth between two designated endpoints.
packaged data sent without establishing a communications channel.
equipped with an ISDN U interface for an ISDN line that is connectorized with an RJ-45 connector.
SONET method of failure recovery that uses a dual ring topology.
used to directly connect a network operating system to an X.25 network.
provides a preset Quality of Service (QoS)for time-sensitive traffic, such as voice and video.
offers communication channels in multiples of 64 Kbps, 384 Kbps, and 1536 Kbps.
used to set up and discontinue ("tear down")virtual connections over the WAN.
ITU-T version of SONET used primarily in Europe.

Accepted Answer

The Answer of smart card and datagrams and Integrated Services is...

Question 7

A(n)____ is a network device that can receive multiple inputs and transmit them to a single shared network medium.

Accepted Answer

A) multiplexer 
B) decoder 
C) adder 
D) shifter 
A) multiplexer 
B) decoder 
C) adder 
D) shifter

Question 8

_________________________ are typically privately owned and operated networks that provide data communications services to the public.

Accepted Answer

PDNs (Public data ne

Question 9

The ____ layer of SONET encapsulates data, ensures that data is sent in the correct order, ensures the timing of each frame, and checks for transmission errors.

Accepted Answer

A) Line 
B) Path 
C) Photonic 
D) Section 
A) Line 
B) Path 
C) Photonic 
D) Section

Question 10

Frame relay uses only two communications layers: the ____ layer and the Link Access Protocol for Frame Mode Bearer Services (LAPF).

Accepted Answer

A) Network 
B) Transport 
C) Physical 
D) Presentation 
A) Network 
B) Transport 
C) Physical 
D) Presentation

Question 11

An ATM switched virtual circuit (ATM SVC)is a permanent connection.

Accepted Answer

A) True 
 B)False

Question 12

ISDN Layer ____ manages control signaling and ensures maximum detection of communication errors for highly reliable communications.

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 13

A ____ typically contains a fixed amount of data formatted to be transmitted at high speeds, from 155 Mbps to over 1 Gbps.

Accepted Answer

A) packet 
B) cell 
C) frame 
D) message 
A) packet 
B) cell 
C) frame 
D) message

Question 14

The current practical limit for transmitting a user's data with ISDN is 622 Mbps.

Accepted Answer

A) True 
 B)False

Question 15

Identify and describe the three principal devices used in X.25 communications.

Accepted Answer

X.25 communications are accomplished usi

Question 16

To use DSL, you must install a(n)____________________ adapter in the device that is to be connected to the DSL network.

Accepted Answer

The answer of To use DSL, you must install a(n)____________________...

Question 17

____ is a fiber-optic technology that can transmit data faster than one gigabit per second.

Accepted Answer

A) ADSL 
B) ISDN 
C) SONET 
D) X.25 
A) ADSL 
B) ISDN 
C) SONET 
D) X.25

Question 18

____ version offers very high bandwidth and is intended as an alternative to networking technologies that use coaxial or fiber-optic cable.

Accepted Answer

A) SHDSL 
B) SDSL 
C) HDSL 
D) VDSL 
A) SHDSL 
B) SDSL 
C) HDSL 
D) VDSL

Question 19

Both switched and permanent virtual circuits are examples of packet switching.

Accepted Answer

A) True 
 B)False

Question 20

The maximum upstream transmission rate attainable using DSL is ____ Mbps.

Accepted Answer

A) 1 
B) 2.3 
C) 10 
D) 52 
A) 1 
B) 2.3 
C) 10 
D) 52

ATM employs a ____-layer architecture, called the ATM Protocol Reference Model.

Current frame relay implementations can reach maximum speeds of up to ____ over DS-3 links.

Describe five useful applications for SONET technology.

____ enables the transmission rate to vary depending on whether the communication is data, multimedia, or voice.

What are the advantages and disadvantages of Switched Multimegabit Data Service (SMDS)?

A(n)____ is a network device that can receive multiple inputs and transmit them to a single shared network medium.

_________________________ are typically privately owned and operated networks that provide data communications services to the public.

The ____ layer of SONET encapsulates data, ensures that data is sent in the correct order, ensures the timing of each frame, and checks for transmission errors.

Frame relay uses only two communications layers: the ____ layer and the Link Access Protocol for Frame Mode Bearer Services (LAPF).

An ATM switched virtual circuit (ATM SVC)is a permanent connection.

ISDN Layer ____ manages control signaling and ensures maximum detection of communication errors for highly reliable communications.

A ____ typically contains a fixed amount of data formatted to be transmitted at high speeds, from 155 Mbps to over 1 Gbps.

The current practical limit for transmitting a user's data with ISDN is 622 Mbps.

Identify and describe the three principal devices used in X.25 communications.

To use DSL, you must install a(n)____________________ adapter in the device that is to be connected to the DSL network.

____ is a fiber-optic technology that can transmit data faster than one gigabit per second.

____ version offers very high bandwidth and is intended as an alternative to networking technologies that use coaxial or fiber-optic cable.

Both switched and permanent virtual circuits are examples of packet switching.

The maximum upstream transmission rate attainable using DSL is ____ Mbps.

Networking: an Overview

How Lan and Wan Communications Work

Using Network Communication Protocols

Connecting Through a Cabled Network

Devices for Connecting Networks

Connecting Through a Wireless Network

Sharing Resources on a Network

Using a Server

Basic Network Design

Securing Your Network

Maintaining and Troubleshooting Your Network

Filters

Exam 9: Understanding Wan Connection Choices

ATM employs a ____-layer architecture, called the ATM Protocol Reference Model.

Current frame relay implementations can reach maximum speeds of up to ____ over DS-3 links.

Describe five useful applications for SONET technology.

____ enables the transmission rate to vary depending on whether the communication is data, multimedia, or voice.

What are the advantages and disadvantages of Switched Multimegabit Data Service (SMDS)?

A(n)____ is a network device that can receive multiple inputs and transmit them to a single shared network medium.

_________________________ are typically privately owned and operated networks that provide data communications services to the public.

The ____ layer of SONET encapsulates data, ensures that data is sent in the correct order, ensures the timing of each frame, and checks for transmission errors.

Frame relay uses only two communications layers: the ____ layer and the Link Access Protocol for Frame Mode Bearer Services (LAPF).

An ATM switched virtual circuit (ATM SVC)is a permanent connection.

ISDN Layer ____ manages control signaling and ensures maximum detection of communication errors for highly reliable communications.

A ____ typically contains a fixed amount of data formatted to be transmitted at high speeds, from 155 Mbps to over 1 Gbps.

The current practical limit for transmitting a user's data with ISDN is 622 Mbps.

Identify and describe the three principal devices used in X.25 communications.

To use DSL, you must install a(n)____________________ adapter in the device that is to be connected to the DSL network.

____ is a fiber-optic technology that can transmit data faster than one gigabit per second.

____ version offers very high bandwidth and is intended as an alternative to networking technologies that use coaxial or fiber-optic cable.

Both switched and permanent virtual circuits are examples of packet switching.

The maximum upstream transmission rate attainable using DSL is ____ Mbps.

Networking: an Overview

How Lan and Wan Communications Work

Using Network Communication Protocols

Connecting Through a Cabled Network

Devices for Connecting Networks

Connecting Through a Wireless Network

Sharing Resources on a Network

Using a Server

Basic Network Design

Securing Your Network

Maintaining and Troubleshooting Your Network

Filters