Question 1

Routed backbones use switches that move packets based on data link layer addresses.

Accepted Answer

A) True 
 B)False

Question 2

A backbone network that connects many backbone networks spanning several buildings at a single location is often called an Internet backbone.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following is a fundamental backbone network architecture?

Accepted Answer

A)  Bridged backbone
B)  Virtual LAN
C)  Hubbed backbone
D)  Gatewayed backbone
E)  Virtual backboneF) A) and B)
G) C) and D)

Question 4

Which of the following is not a type of hardware device that can be used to interconnect networks?

Accepted Answer

A)  layer 3 switches
B)  routers
C)  dumb terminals
D)  layer 2 switches
E)  all of the above can be usedF) B) and E)
G) D) and E)

Question 5

A key advantage of a chassis switch is its flexibility.

Accepted Answer

A) True 
 B)False

Question 6

VLANs provide faster performance compared to switched, collapsed or routed backbone architectures.

Accepted Answer

A) True 
 B)False

Question 7

A hardware device that operates at the application layer is a router.

Accepted Answer

A) True 
 B)False

Question 8

The distribution layer of a backbone connects LANs together.

Accepted Answer

A) True 
 B)False

Question 9

A subnetted or hierarchical backbone can also be called:

Accepted Answer

A)  Bridged backbone
B)  Virtual LAN
C)  Hubbed backbone
D)  Collapsed backbone
E)  Routed backboneF) A) and D)
G) All of the above

Question 10

Device performance on a backbone network will not be improved by:

Accepted Answer

A)  using the same protocols in the backbone and the LANs
B)  using static routing in low to moderate traffic conditions
C)  ensuring that backbone devices have sufficient memory so that packets do not have to be retransmitted by the sender
D)  translating packets from one protocol to another as they enter the BN
E)  none of the optionsF) B) and C)
G) D) and E)

Question 11

What is a backbone network? What is typical of this kind of network?

Accepted Answer

A backbone network, also known as a netw...

Question 12

What are some business trends we are seeing in backbone networks?

Accepted Answer

As of my last update in early 2023, seve...

Question 13

Routers use network layer address to forward packets between network segments.

Accepted Answer

A) True 
 B)False

Question 14

What are the main benefits of Virtual LANs?

Accepted Answer

Virtual LANs (VLANs) offer several benef...

Question 15

A VLAN network assigns computers to LAN segments by hardware.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following is not true about backbone networks?

Accepted Answer

A)  They may also be called enterprise networks if they connect all networks within an organization.
B)  They typically connect many networks, including LANs.
C)  They typically provide connections to other BNs, WANs, MANs, and the Internet.
D)  They may also be called campus networks if they connect many BNs spanning several buildings as a single location.
E)  They tend to use lower speed circuits than LANs.F) A) and B)
G) None of the above

Question 17

When might a router be useful than a switch?

Accepted Answer

A router might be more useful than a swi...

Question 18

Which of the following is not true about multiswitch VLANs?

Accepted Answer

A)  Several switches are used to build a VLAN
B)  The switches in the VLAN can send packets among themselves in a way that identifies the VLAN to which the packet belongs.
C)  In some multi-switch VLANs, the Ethernet packet is modified based on the emerging IEEE 802.1q standard.
D)  In some multi-switch VLANs, a new VLAN packet encapsulates the Ethernet packet.
E)  All of the above are true statements.F) A) and C)
G) A) and D)

Question 19

What are six actions that you might undertake as a network manager to improve backbone performance?

Accepted Answer

1. Conduct a thorough network assessment...

Question 20

A backbone network is a high-speed network that connects many networks

Accepted Answer

A) True 
 B)False

Exam 8: Backbone Networks

A backbone network that connects many backbone networks spanning several buildings at a single location is often called an Internet backbone.

Correct AnswerverifiedShow Answer

Routers use network layer address to forward packets between network segments.

Correct AnswerverifiedShow Answer

A key advantage of a chassis switch is its flexibility.

Correct AnswerverifiedShow Answer

When might a router be useful than a switch?

Correct AnswerAnswered by ExamLex AIA router might be more useful than a swi...View AnswerShow Answer

Which of the following is a fundamental backbone network architecture?

Correct AnswerverifiedShow Answer

What is a backbone network? What is typical of this kind of network?

Correct AnswerAnswered by ExamLex AIA backbone network, also known as a netw...View AnswerShow Answer

Device performance on a backbone network will not be improved by:

Correct AnswerverifiedShow Answer

Which of the following is not a type of hardware device that can be used to interconnect networks?

Correct AnswerverifiedShow Answer

What are six actions that you might undertake as a network manager to improve backbone performance?

Correct AnswerAnswered by ExamLex AI1. Conduct a thorough network assessment...View AnswerShow Answer

A backbone network is a high-speed network that connects many networks

Correct AnswerverifiedShow Answer

What are some business trends we are seeing in backbone networks?

Correct AnswerAnswered by ExamLex AIAs of my last update in early 2023, seve...View AnswerShow Answer

A hardware device that operates at the application layer is a router.

Correct AnswerverifiedShow Answer

A subnetted or hierarchical backbone can also be called:

Correct AnswerverifiedShow Answer

A VLAN network assigns computers to LAN segments by hardware.

Correct AnswerverifiedShow Answer

Which of the following is not true about backbone networks?

Correct AnswerverifiedShow Answer

VLANs provide faster performance compared to switched, collapsed or routed backbone architectures.

Correct AnswerverifiedShow Answer

Routed backbones use switches that move packets based on data link layer addresses.

Correct AnswerverifiedShow Answer

The distribution layer of a backbone connects LANs together.

Correct AnswerverifiedShow Answer

What are the main benefits of Virtual LANs?

Correct AnswerAnswered by ExamLex AIVirtual LANs (VLANs) offer several benef...View AnswerShow Answer

Which of the following is not true about multiswitch VLANs?

Correct AnswerverifiedShow Answer

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Answered by ExamLex AI
A router might be more useful than a swi...
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Correct Answer
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Correct Answer
Answered by ExamLex AI
A backbone network, also known as a netw...
View Answer

Correct Answer
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Correct Answer
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Correct Answer
Answered by ExamLex AI
1. Conduct a thorough network assessment...
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Correct Answer
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Correct Answer
Answered by ExamLex AI
As of my last update in early 2023, seve...
View Answer

Correct Answer
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Correct Answer
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Correct Answer
verified

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
Answered by ExamLex AI
Virtual LANs (VLANs) offer several benef...
View Answer

Correct Answer
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