Question 1

CDMA (Code Division Multiple Access) is an open standard that is accepted and used worldwide.

Accepted Answer

A) True 
 B)False

Question 2

Of all the DSL standards, which is the most commonly in use today?

Accepted Answer

A)  ADSL 
B)  VDSL 
C)  SDSL 
D)  G.Lite 
A)  ADSL 
B)  VDSL 
C)  SDSL 
D)  G.Lite

Question 3

In an ISDN connection, what amount of throughput did a single B channel provide?

Accepted Answer

A)  32 Kbps 
B)  48 Kbps 
C)  64 Kbps 
D)  96 Kbps 
A)  32 Kbps 
B)  48 Kbps 
C)  64 Kbps 
D)  96 Kbps

Question 4

How many transponders are contained within a typical satellite?

Accepted Answer

A)  8 to 16 
B)  16 to 24 
C)  24 to 32 
D)  32 to 48 
A)  8 to 16 
B)  16 to 24 
C)  24 to 32 
D)  32 to 48

Question 5

In a frame relay WAN, the ISP typically has the data circuit terminating equipment (DCE).

Accepted Answer

A) True 
 B)False

Question 6

On an ATM network, how is the path that data will take determined?

Accepted Answer

A)  Switches determine the optimal path between sender and receiver, and then establish the path before transmission. 
B)  Data is transmitted, and then the path taken will vary depending on the load encountered at each ATM participant node. 
C)  A frame relay route table establishes each hop that will be taken to a single destination. 
D)  When data is ready to be transmitted, an ATM participating router will contact the destination ATM router, establish a tunnel, then pass the data. 
A)  Switches determine the optimal path between sender and receiver, and then establish the path before transmission. 
B)  Data is transmitted, and then the path taken will vary depending on the load encountered at each ATM participant node. 
C)  A frame relay route table establishes each hop that will be taken to a single destination. 
D)  When data is ready to be transmitted, an ATM participating router will contact the destination ATM router, establish a tunnel, then pass the data.

Question 7

What OC level is primarily used as a regional ISP backbone, and occasionally by very large hospitals, universities, or other major enterprises?

Accepted Answer

A)  OC-3 
B)  OC-12 
C)  OC-48 
D)  OC-96 
A)  OC-3 
B)  OC-12 
C)  OC-48 
D)  OC-96

Question 8

The NIU (network interface unit) or NID (network interface device) at the ISP's demarc serves what purpose?

Accepted Answer

The NIU, or NID (network interface devic

Question 9

An 802.11ac signal can travel for approximately 2 miles from the source.

Accepted Answer

A) True 
 B)False

Question 10

WANs connect nodes, such as workstations, servers, printers, and other devices, in a small geographical area on a single network.

Accepted Answer

A) True 
 B)False

Question 11

Which SONET OC level is a popular choice for large businesses, and is equivalent to 100 T1s?

Accepted Answer

A)  OC-1 
B)  OC-3 
C)  OC-12 
D)  OC-24 
A)  OC-1 
B)  OC-3 
C)  OC-12 
D)  OC-24

Question 12

How is ATM able to guarantee a specific QoS for certain types of transmissions?

Accepted Answer

Establishing a reliable connection allow

Question 13

Most satellites circle the Earth 22,300 miles above the equator in a geosynchronous orbit.

Accepted Answer

A) True 
 B)False

Question 14

What type of virtual circuit allows connections to be established when parties need to transmit, then terminated after the transmission is complete?

Accepted Answer

A)  permanent virtual circuit (PV
C)  
B)  switched virtual circuit (SV
C)  
C)  dynamic virtual circuit (DV
C)  
D)  looping virtual circuit (LV
C)  
A)  permanent virtual circuit (PV
C)  
B)  switched virtual circuit (SV
C)  
C)  dynamic virtual circuit (DV
C)  
D)  looping virtual circuit (LV
C)

Question 15

List and describe the four different generations of cellular technology.

Accepted Answer

The four generations of cell phone techn

Question 16

The DTE or endpoint device for a leased line is known as which device below?

Accepted Answer

A)  CSU/DSU 
B)  cable modem 
C)  DSL modem 
D)  ISDN modem 
A)  CSU/DSU 
B)  cable modem 
C)  DSL modem 
D)  ISDN modem

Question 17

What is a data-link connection identifier (DLCI) utilized for?

Accepted Answer

A)  It is used by routers to determine which circuit to forward a frame to in a frame relay network. 
B)  It is used by routers to establish a packet-switched path to the destination. 
C)  It is used by ATM switches to determine how to create a switched virtual circuit. 
D)  It is a locally significant ID used to send connectionless information. 
A)  It is used by routers to determine which circuit to forward a frame to in a frame relay network. 
B)  It is used by routers to establish a packet-switched path to the destination. 
C)  It is used by ATM switches to determine how to create a switched virtual circuit. 
D)  It is a locally significant ID used to send connectionless information.

Question 18

DSL services require many subscribers to share the same local line, causing potential security concerns.

Accepted Answer

A) True 
 B)False

Question 19

In a public switched telephone network, what portion of the network is known as the local loop?

Accepted Answer

A)  It is the inside wire within the residence or business that connects to the NIU. 
B)  It is the portion of the network between the NIU and the remote switching facility. 
C)  It is the portion of the network from the remote switching facility to the central office. 
D)  It is the portion that connects any residence or business to the nearest central office. 
A)  It is the inside wire within the residence or business that connects to the NIU. 
B)  It is the portion of the network between the NIU and the remote switching facility. 
C)  It is the portion of the network from the remote switching facility to the central office. 
D)  It is the portion that connects any residence or business to the nearest central office.

Question 20

In a cellular network, where does each wireless base station connect to?

Accepted Answer

A)  They connect directly to the central office. 
B)  They connect to a mobile switching center. 
C)  They connect to other wireless base stations, then to the central office. 
D)  They connect to a wireless station repeater. 
A)  They connect directly to the central office. 
B)  They connect to a mobile switching center. 
C)  They connect to other wireless base stations, then to the central office. 
D)  They connect to a wireless station repeater.

CDMA (Code Division Multiple Access) is an open standard that is accepted and used worldwide.

Of all the DSL standards, which is the most commonly in use today?

In an ISDN connection, what amount of throughput did a single B channel provide?

How many transponders are contained within a typical satellite?

In a frame relay WAN, the ISP typically has the data circuit terminating equipment (DCE).

On an ATM network, how is the path that data will take determined?

What OC level is primarily used as a regional ISP backbone, and occasionally by very large hospitals, universities, or other major enterprises?

The NIU (network interface unit) or NID (network interface device) at the ISP's demarc serves what purpose?

An 802.11ac signal can travel for approximately 2 miles from the source.

WANs connect nodes, such as workstations, servers, printers, and other devices, in a small geographical area on a single network.

Which SONET OC level is a popular choice for large businesses, and is equivalent to 100 T1s?

How is ATM able to guarantee a specific QoS for certain types of transmissions?

Most satellites circle the Earth 22,300 miles above the equator in a geosynchronous orbit.

What type of virtual circuit allows connections to be established when parties need to transmit, then terminated after the transmission is complete?

List and describe the four different generations of cellular technology.

The DTE or endpoint device for a leased line is known as which device below?

What is a data-link connection identifier (DLCI) utilized for?

DSL services require many subscribers to share the same local line, causing potential security concerns.

In a public switched telephone network, what portion of the network is known as the local loop?

In a cellular network, where does each wireless base station connect to?

Introduction to Networking

Network Infrastructure and Documentation

Addressing on Networks

Network Protocols and Routing

Network Cabling

Wireless Networking

Virtualization and Cloud Computing

Subnets and VLANs

Network Risk Management

Security in Network Design

Network Performance and Recovery

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Exam 12: Wide Area Networks

CDMA (Code Division Multiple Access) is an open standard that is accepted and used worldwide.

Of all the DSL standards, which is the most commonly in use today?

In an ISDN connection, what amount of throughput did a single B channel provide?

How many transponders are contained within a typical satellite?

In a frame relay WAN, the ISP typically has the data circuit terminating equipment (DCE).

On an ATM network, how is the path that data will take determined?

What OC level is primarily used as a regional ISP backbone, and occasionally by very large hospitals, universities, or other major enterprises?

The NIU (network interface unit) or NID (network interface device) at the ISP's demarc serves what purpose?

An 802.11ac signal can travel for approximately 2 miles from the source.

WANs connect nodes, such as workstations, servers, printers, and other devices, in a small geographical area on a single network.

Which SONET OC level is a popular choice for large businesses, and is equivalent to 100 T1s?

How is ATM able to guarantee a specific QoS for certain types of transmissions?

Most satellites circle the Earth 22,300 miles above the equator in a geosynchronous orbit.

What type of virtual circuit allows connections to be established when parties need to transmit, then terminated after the transmission is complete?

List and describe the four different generations of cellular technology.

The DTE or endpoint device for a leased line is known as which device below?

What is a data-link connection identifier (DLCI) utilized for?

DSL services require many subscribers to share the same local line, causing potential security concerns.

In a public switched telephone network, what portion of the network is known as the local loop?

In a cellular network, where does each wireless base station connect to?

Introduction to Networking

Network Infrastructure and Documentation

Addressing on Networks

Network Protocols and Routing

Network Cabling

Wireless Networking

Virtualization and Cloud Computing

Subnets and VLANs

Network Risk Management

Security in Network Design

Network Performance and Recovery

Filters