Question 1

A WAN is the network that ________.

Accepted Answer

A)  links different sites together 
B)  provides service within about a mile 
C)  provides service within a site 
D)  all of the above 
A)  links different sites together 
B)  provides service within about a mile 
C)  provides service within a site 
D)  all of the above

Question 2

Compared to the Internet,carrier WANs ________.

Accepted Answer

A)  offer higher-quality service 
B)  can reach more customers 
C)  both A and B 
D)  neither A nor B 
A)  offer higher-quality service 
B)  can reach more customers 
C)  both A and B 
D)  neither A nor B

Question 3

Which lines run from one customer premise to another?

Accepted Answer

A)  leased lines 
B)  access lines 
C)  both A and B 
D)  neither A nor B 
A)  leased lines 
B)  access lines 
C)  both A and B 
D)  neither A nor B

Question 4

In MPLS,the router interface to send the packet back out will be decided ________.

Accepted Answer

A)  during the router's routing process 
B)  before the first data packet is sent 
C)  by a dynamic routing protocol 
D)  none of the above 
A)  during the router's routing process 
B)  before the first data packet is sent 
C)  by a dynamic routing protocol 
D)  none of the above

Question 5

In Carrier Ethernet,which service is a competitor for leased line service?

Accepted Answer

A)  E-Line 
B)  E-LAN 
C)  both A and B 
D)  neither A nor B 
A)  E-Line 
B)  E-LAN 
C)  both A and B 
D)  neither A nor B

Question 6

Which of the following usually offers higher speeds?

Accepted Answer

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

Question 7

Which of the following DSL services tends to be symmetric in speed?

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 8

MPLS routers base their decisions on a packet's ________.

Accepted Answer

A)  destination IP address 
B)  label number 
C)  both A and B 
D)  neither A nor B 
A)  destination IP address 
B)  label number 
C)  both A and B 
D)  neither A nor B

Question 9

Many T1 lines are ________.

Accepted Answer

A)  optical fiber lines 
B)  Asymmetric DSL lines 
C)  Symmetric DSL lines 
D)  none of the above 
A)  optical fiber lines 
B)  Asymmetric DSL lines 
C)  Symmetric DSL lines 
D)  none of the above

Question 10

LANs are ________.

Accepted Answer

A)  single networks 
B)  local internets 
C)  either A or B 
D)  neither A nor B 
A)  single networks 
B)  local internets 
C)  either A or B 
D)  neither A nor B

Question 11

Which of the following is moving toward FTTH?

Accepted Answer

A)  cable modem service companies 
B)  ADSL service companies 
C)  both A and B 
D)  neither A nor B 
A)  cable modem service companies 
B)  ADSL service companies 
C)  both A and B 
D)  neither A nor B

Question 12

If a cellsite uses Channel 237,which other cellsites can reuse the channel?

Accepted Answer

A)  adjacent cellsites 
B)  cellsites one beyond adjacent cells 
C)  cellsites two beyond adjacent cells 
D)  no other cellsites 
A)  adjacent cellsites 
B)  cellsites one beyond adjacent cells 
C)  cellsites two beyond adjacent cells 
D)  no other cellsites

Question 13

MPLS ________ the work that each router must do to deliver a packet during a traffic exchange.

Accepted Answer

A)  reduces 
B)  increases 
C)  does not affect 
D)  occasionally reduces 
A)  reduces 
B)  increases 
C)  does not affect 
D)  occasionally reduces

Question 14

If you need speeds of 16 Mbps between two corporate sites in the United States,you would need a ________ leased line.

Accepted Answer

A)  T1 
B)  T3 
C)  OC3 
D)  none of the above 
A)  T1 
B)  T3 
C)  OC3 
D)  none of the above

Question 15

Compared to the Internet,Layer 2 and Layer 3 carrier WAN services usually ________.

Accepted Answer

A)  offer QoS guarantees 
B)  require less management labor in the customer organization 
C)  both A and B 
D)  neither A nor B 
A)  offer QoS guarantees 
B)  require less management labor in the customer organization 
C)  both A and B 
D)  neither A nor B

Question 16

Which of the following is a common use for carrier WANs?

Accepted Answer

A)  to connect corporate sites 
B)  to connect a corporate site to the Internet 
C)  both A and B 
D)  neither A nor B 
A)  to connect corporate sites 
B)  to connect a corporate site to the Internet 
C)  both A and B 
D)  neither A nor B

Question 17

Which spends less processing time on each packet arriving at a router?

Accepted Answer

A)  traditional routing 
B)  MPLS 
C)  Both spend about equal time. 
A)  traditional routing 
B)  MPLS 
C)  Both spend about equal time.

Question 18

For their transmission medium,cable television companies primarily use ________.

Accepted Answer

A)  2-pair VG UTP cabling 
B)  2-pair DG UTP cabling 
C)  coaxial cable 
D)  4-pair UTP 
A)  2-pair VG UTP cabling 
B)  2-pair DG UTP cabling 
C)  coaxial cable 
D)  4-pair UTP

Question 19

Why is Carrier Ethernet popular?

Accepted Answer

A)  It uses a familiar technology. 
B)  It is usually easy to upgrade speed rapidly. 
C)  both A and B 
D)  neither A nor B 
A)  It uses a familiar technology. 
B)  It is usually easy to upgrade speed rapidly. 
C)  both A and B 
D)  neither A nor B

Question 20

In MPLS,the ________ adds the label to the packet.

Accepted Answer

A)  source host 
B)  first label-switching router 
C)  either A or B 
D)  neither A nor B 
A)  source host 
B)  first label-switching router 
C)  either A or B 
D)  neither A nor B

A WAN is the network that ________.

Compared to the Internet,carrier WANs ________.

Which lines run from one customer premise to another?

In MPLS,the router interface to send the packet back out will be decided ________.

In Carrier Ethernet,which service is a competitor for leased line service?

Which of the following usually offers higher speeds?

Which of the following DSL services tends to be symmetric in speed?

MPLS routers base their decisions on a packet's ________.

Many T1 lines are ________.

LANs are ________.

Which of the following is moving toward FTTH?

If a cellsite uses Channel 237,which other cellsites can reuse the channel?

MPLS ________ the work that each router must do to deliver a packet during a traffic exchange.

If you need speeds of 16 Mbps between two corporate sites in the United States,you would need a ________ leased line.

Compared to the Internet,Layer 2 and Layer 3 carrier WAN services usually ________.

Which of the following is a common use for carrier WANs?

Which spends less processing time on each packet arriving at a router?

For their transmission medium,cable television companies primarily use ________.

Why is Carrier Ethernet popular?

In MPLS,the ________ adds the label to the packet.

Core Network Concepts and Terminology

Network Standards

Network Management

Network Security

Ethernet 802.3switched Lans

Wireless Lans I

Wireless Lans II

TCP/IP Internetworking I

TCP/IP Internetworking II

Networked Applications

Appendix: Managing the Security Process

Filters

Exam 10: Carrier Wide Area Networks Wans

A WAN is the network that ________.

Compared to the Internet,carrier WANs ________.

Which lines run from one customer premise to another?

In MPLS,the router interface to send the packet back out will be decided ________.

In Carrier Ethernet,which service is a competitor for leased line service?

Which of the following usually offers higher speeds?

Which of the following DSL services tends to be symmetric in speed?

MPLS routers base their decisions on a packet's ________.

Many T1 lines are ________.

LANs are ________.

Which of the following is moving toward FTTH?

If a cellsite uses Channel 237,which other cellsites can reuse the channel?

MPLS ________ the work that each router must do to deliver a packet during a traffic exchange.

If you need speeds of 16 Mbps between two corporate sites in the United States,you would need a ________ leased line.

Compared to the Internet,Layer 2 and Layer 3 carrier WAN services usually ________.

Which of the following is a common use for carrier WANs?

Which spends less processing time on each packet arriving at a router?

For their transmission medium,cable television companies primarily use ________.

Why is Carrier Ethernet popular?

In MPLS,the ________ adds the label to the packet.

Core Network Concepts and Terminology

Network Standards

Network Management

Network Security

Ethernet 802.3switched Lans

Wireless Lans I

Wireless Lans II

TCP/IP Internetworking I

TCP/IP Internetworking II

Networked Applications

Appendix: Managing the Security Process

Filters