Question 1

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

Accepted Answer

As of my last update in early 2023, seve

Question 2

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

Accepted Answer

A backbone network, also known as a netw

Question 3

What are the main benefits of Virtual LANs?

Accepted Answer

Virtual LANs (VLANs) offer several benef

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

Question 5

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

Accepted Answer

A) True 
 B)False

Question 6

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 7

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

Accepted Answer

A) True 
 B)False

Question 8

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

Question 9

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 10

The distribution layer of a backbone connects LANs together.

Accepted Answer

A) True 
 B)False

Question 11

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

Accepted Answer

A) True 
 B)False

Question 12

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. 
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.

Question 13

A VLAN network assigns computers to LAN segments by hardware.

Accepted Answer

A) True 
 B)False

Question 14

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

Accepted Answer

A) True 
 B)False

Question 15

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 backbone 
A) Bridged backbone 
B) Virtual LAN 
C) Hubbed backbone 
D) Collapsed backbone 
E) Routed backbone

Question 16

When might a router be useful than a switch?

Accepted Answer

A router might be more useful than a swi

Question 17

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. 
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.

Question 18

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 options 
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 options

Question 19

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

Accepted Answer

A) True 
 B)False

Question 20

A key advantage of a chassis switch is its flexibility.

Accepted Answer

A) True 
 B)False

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

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

What are the main benefits of Virtual LANs?

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

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

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

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

Which of the following is a fundamental backbone network architecture?

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

The distribution layer of a backbone connects LANs together.

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

Which of the following is not true about backbone networks?

A VLAN network assigns computers to LAN segments by hardware.

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

A subnetted or hierarchical backbone can also be called:

When might a router be useful than a switch?

Which of the following is not true about multiswitch VLANs?

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

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

A key advantage of a chassis switch is its flexibility.

Introduction to Data Communications

Application Layer

Physical Layer

Data Link Layer

Network and Transport Layers

Network Design

Wired and Wireless Local Area Networks

Wide Area Networks

The Internet

Network Security

Network Management

Filters

Exam 8: Backbone Networks

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

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

What are the main benefits of Virtual LANs?

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

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

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

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

Which of the following is a fundamental backbone network architecture?

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

The distribution layer of a backbone connects LANs together.

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

Which of the following is not true about backbone networks?

A VLAN network assigns computers to LAN segments by hardware.

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

A subnetted or hierarchical backbone can also be called:

When might a router be useful than a switch?

Which of the following is not true about multiswitch VLANs?

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

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

A key advantage of a chassis switch is its flexibility.

Introduction to Data Communications

Application Layer

Physical Layer

Data Link Layer

Network and Transport Layers

Network Design

Wired and Wireless Local Area Networks

Wide Area Networks

The Internet

Network Security

Network Management

Filters