Question 1

In a PSDN,customers connect to the network core at ________.

Accepted Answer

A) NAPs 
B) public/private access points 
C) POPs 
D) DSLAMs 
A) NAPs 
B) public/private access points 
C) POPs 
D) DSLAMs

Question 2

Companies use carriers for WAN transmission because ________.

Accepted Answer

A) companies lack rights of way 
B) carriers have extremely strong security 
C) both A and B 
D) neither A nor B 
A) companies lack rights of way 
B) carriers have extremely strong security 
C) both A and B 
D) neither A nor B

Question 3

Frame Relay frames contain ________.

Accepted Answer

A) destination addresses 
B) virtual circuit numbers 
A) destination addresses 
B) virtual circuit numbers

Question 4

Which of the following DSL services usually offers QoS guarantees?

Accepted Answer

A) residential 
B) business 
C) both A and B 
D) neither A nor B 
A) residential 
B) business 
C) both A and B 
D) neither A nor B

Question 5

All SONET/SDH leased lines run faster than 50 Mbps.

Accepted Answer

A) True 
 B)False

Question 6

When a cellular customer moves from one city to another,this is ________.

Accepted Answer

A) roaming 
B) a handoff 
C) both A and B 
D) neither A nor B 
A) roaming 
B) a handoff 
C) both A and B 
D) neither A nor B

Question 7

Service quality issues with the Internet can be addressed by using ________.

Accepted Answer

A) a single ISP 
B) multiple ISPs 
A) a single ISP 
B) multiple ISPs

Question 8

For surfing websites on the Internet,what is the lowest generation of cellular service that would provide at least reasonably good access?

Accepted Answer

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

Question 9

In cellular technology,a cellsite is a small geographical area.

Accepted Answer

A) True 
 B)False

Question 10

If I use Channel3 in a cell,I can reuse that same channel in an adjacent cell with CDMA cellular technology.

Accepted Answer

A) True 
 B)False

Question 11

The slowest offered SONET/SDH leased lines run at about 50 Mbps.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following usually offers higher speeds?

Accepted Answer

A) MANs 
B) WANs 
C) Both A and B are about equal in typical speeds. 
A) MANs 
B) WANs 
C) Both A and B are about equal in typical speeds.

Question 13

SONET/SDH lines use ________.

Accepted Answer

A) optical fiber 
B) high-quality forms of data-grade UTP 
C) both A and B 
D) neither A nor B 
A) optical fiber 
B) high-quality forms of data-grade UTP 
C) both A and B 
D) neither A nor B

Question 14

If I use Channel3 in a cell,I can reuse that same channel in an adjacent cell with ________.

Accepted Answer

A) traditional cellular technology 
B) CDMA 
C) both A and B 
D) neither A nor B 
A) traditional cellular technology 
B) CDMA 
C) both A and B 
D) neither A nor B

Question 15

Why is metro Ethernet popular?

Accepted Answer

A) It uses a familiar technology. 
B) It has attractive prices. 
C) both A and B 
D) neither A nor B 
A) It uses a familiar technology. 
B) It has attractive prices. 
C) both A and B 
D) neither A nor B

Question 16

WAN prices are closely related to carrier costs.

Accepted Answer

A) True 
 B)False

Question 17

A firm uses a PSDN.It has four sites.How many leased lines will it need?

Accepted Answer

A) none 
B) 1 
C) 4 
D) none of the above 
A) none 
B) 1 
C) 4 
D) none of the above

Question 18

Two-way amplifiers are needed for cable ________ service.

Accepted Answer

A) television 
B) data 
C) both A and B 
D) neither A nor B 
A) television 
B) data 
C) both A and B 
D) neither A nor B

Question 19

Some smart phones can act as wireless access points.

Accepted Answer

A) True 
 B)False

Question 20

The use of virtual circuits ________.

Accepted Answer

A) reduces costs 
B) improves reliability 
C) both A and B 
D) neither A nor B 
A) reduces costs 
B) improves reliability 
C) both A and B 
D) neither A nor B

In a PSDN,customers connect to the network core at ________.

Companies use carriers for WAN transmission because ________.

Frame Relay frames contain ________.

Which of the following DSL services usually offers QoS guarantees?

All SONET/SDH leased lines run faster than 50 Mbps.

When a cellular customer moves from one city to another,this is ________.

Service quality issues with the Internet can be addressed by using ________.

For surfing websites on the Internet,what is the lowest generation of cellular service that would provide at least reasonably good access?

In cellular technology,a cellsite is a small geographical area.

If I use Channel3 in a cell,I can reuse that same channel in an adjacent cell with CDMA cellular technology.

The slowest offered SONET/SDH leased lines run at about 50 Mbps.

Which of the following usually offers higher speeds?

SONET/SDH lines use ________.

If I use Channel3 in a cell,I can reuse that same channel in an adjacent cell with ________.

Why is metro Ethernet popular?

WAN prices are closely related to carrier costs.

A firm uses a PSDN.It has four sites.How many leased lines will it need?

Two-way amplifiers are needed for cable ________ service.

Some smart phones can act as wireless access points.

The use of virtual circuits ________.

Welcome to the Cloud

Network Standards

Network Security

Network Management

Wired Ethernet Lans

Wireless Lans I

Wireless Lans 2

Tcpip Internetworking I

Tcpip Internetworking 2

Networked Applications

Module a More on Tcp

Module B More on Modulation

Module C More on Telecommunications

Module D Directory Servers

Filters

Exam 10: Wide Area Networks

In a PSDN,customers connect to the network core at ________.

Companies use carriers for WAN transmission because ________.

Frame Relay frames contain ________.

Which of the following DSL services usually offers QoS guarantees?

All SONET/SDH leased lines run faster than 50 Mbps.

When a cellular customer moves from one city to another,this is ________.

Service quality issues with the Internet can be addressed by using ________.

For surfing websites on the Internet,what is the lowest generation of cellular service that would provide at least reasonably good access?

In cellular technology,a cellsite is a small geographical area.

If I use Channel3 in a cell,I can reuse that same channel in an adjacent cell with CDMA cellular technology.

The slowest offered SONET/SDH leased lines run at about 50 Mbps.

Which of the following usually offers higher speeds?

SONET/SDH lines use ________.

If I use Channel3 in a cell,I can reuse that same channel in an adjacent cell with ________.

Why is metro Ethernet popular?

WAN prices are closely related to carrier costs.

A firm uses a PSDN.It has four sites.How many leased lines will it need?

Two-way amplifiers are needed for cable ________ service.

Some smart phones can act as wireless access points.

The use of virtual circuits ________.

Welcome to the Cloud

Network Standards

Network Security

Network Management

Wired Ethernet Lans

Wireless Lans I

Wireless Lans 2

Tcpip Internetworking I

Tcpip Internetworking 2

Networked Applications

Module a More on Tcp

Module B More on Modulation

Module C More on Telecommunications

Module D Directory Servers

Filters