Question 1

It appears that the use of _____ is decreasing in backbones while the use of ____ is increasing.

Accepted Answer

A)  WLAN, ATM 
B)  Ethernet, ATM 
C)  IEEE 802.1q, ATM 
D)  ATM, Ethernet 
E)  10GbE, Ethernet 
A)  WLAN, ATM 
B)  Ethernet, ATM 
C)  IEEE 802.1q, ATM 
D)  ATM, Ethernet 
E)  10GbE, Ethernet

Question 2

As a network manager,would you choose ATM or Ethernet as the protocol of choice on the backbone?

Accepted Answer

As a network manager, the choice between

Question 3

A switched backbone uses a bus topology

Accepted Answer

A) True 
 B)False

Question 4

Computers can be assigned to a VLAN based on the ________.

Accepted Answer

A)  IEEE 802.1q standard 
B)  NIC interface 
C)  physical port on the switch 
D)  IEEE 802.3 standard 
E)  physical location of the computer 
A)  IEEE 802.1q standard 
B)  NIC interface 
C)  physical port on the switch 
D)  IEEE 802.3 standard 
E)  physical location of the computer

Question 5

Gateways are more simple than routers.

Accepted Answer

A) True 
 B)False

Question 6

The backbone architecture layer that is closest to the users is the

Accepted Answer

A)  Access layer 
B)  Distribution layer 
C)  Core layer 
D)  Privacy layer 
E)  Switched layer 
A)  Access layer 
B)  Distribution layer 
C)  Core layer 
D)  Privacy layer 
E)  Switched layer

Question 7

The _______ is the part of the backbone that connects the LANs together.

Accepted Answer

A)  Access layer 
B)  Distribution layer 
C)  Core layer 
D)  Privacy layer 
E)  Switched layer 
A)  Access layer 
B)  Distribution layer 
C)  Core layer 
D)  Privacy layer 
E)  Switched layer

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

Given network devices such as routers,switches and gateways,discuss three major technological trends that are helpful in explaining the differences between these devices.

Accepted Answer

1. Software-Defined Networking (SDN): Th

Question 10

Which of the following would be least effective in improving backbone performance?

Accepted Answer

A)  improving the computers in the network 
B)  changing the demand placed on the network 
C)  adding new keyboards to the client computers 
D)  upgrading the circuits between computers 
E)  improving devices in the network 
A)  improving the computers in the network 
B)  changing the demand placed on the network 
C)  adding new keyboards to the client computers 
D)  upgrading the circuits between computers 
E)  improving devices in the network

Question 11

Which of the following is not true about multi-switch 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 12

Which of the following is not a way that a router differs from a switch?

Accepted Answer

A)  routers can connect two or more networks that use the same data link protocol 
B)  routers only process messages that are specifically addressed to it 
C)  routers operate at the network layer 
D)  routers perform more processing on each message than switch 
E)  routers can choose the "best" route between networks for forwarding a packet 
A)  routers can connect two or more networks that use the same data link protocol 
B)  routers only process messages that are specifically addressed to it 
C)  routers operate at the network layer 
D)  routers perform more processing on each message than switch 
E)  routers can choose the "best" route between networks for forwarding a packet

Question 13

A _____________ type of BN segments (each of which has a special set of subnet addresses that can be managed by different network managers)each part of the network connected to the backbone.

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 14

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

Accepted Answer

A backbone network, also known as a netw

Question 15

A room that contains a rack of equipment for a rack-based collapsed backbone is also called the main distribution facility (MDF)or central distribution facility (CDF).

Accepted Answer

A) True 
 B)False

Question 16

Switches,routers,and gateways are devices that can connect networks to the BN.

Accepted Answer

A) True 
 B)False

Question 17

One difference between a switch and a router is that a router will only process messages addressed to the router,while a switch processes all messages.

Accepted Answer

A) True 
 B)False

Question 18

A _____________ type of BN is a new type of LAN/BN architecture made possible by intelligent,high speed switches that assign computers to LAN segments via software,rather than by hardware.

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 19

What are the main benefits of Virtual LANs?

Accepted Answer

Virtual LANs (VLANs) offer several benef

Question 20

Devices in a rack are connected together using ___________.

Accepted Answer

A)  patch cables 
B)  string 
C)  servers 
D)  modules 
E)  chassis switches 
A)  patch cables 
B)  string 
C)  servers 
D)  modules 
E)  chassis switches

It appears that the use of _ is decreasing in backbones while the use of is increasing.

As a network manager,would you choose ATM or Ethernet as the protocol of choice on the backbone?

A switched backbone uses a bus topology

Computers can be assigned to a VLAN based on the ________.

Gateways are more simple than routers.

The backbone architecture layer that is closest to the users is the

The _______ is the part of the backbone that connects the LANs together.

Which of the following is a fundamental backbone network architecture?

Given network devices such as routers,switches and gateways,discuss three major technological trends that are helpful in explaining the differences between these devices.

Which of the following would be least effective in improving backbone performance?

Which of the following is not true about multi-switch VLANs?

Which of the following is not a way that a router differs from a switch?

A _____________ type of BN segments (each of which has a special set of subnet addresses that can be managed by different network managers)each part of the network connected to the backbone.

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

A room that contains a rack of equipment for a rack-based collapsed backbone is also called the main distribution facility (MDF)or central distribution facility (CDF).

Switches,routers,and gateways are devices that can connect networks to the BN.

One difference between a switch and a router is that a router will only process messages addressed to the router,while a switch processes all messages.

A _____________ type of BN is a new type of LAN/BN architecture made possible by intelligent,high speed switches that assign computers to LAN segments via software,rather than by hardware.

What are the main benefits of Virtual LANs?

Devices in a rack are connected together using ___________.

Introduction to Data Communications

Application Layer

Physical Layer

Data Link Layer

Network and Transport Layers

Wired and Wireless LANs

Wide Area Networks

The Internet

Network Security

Network Design

Network Management

Filters

Exam 7: Backbone Networks

It appears that the use of _____ is decreasing in backbones while the use of ____ is increasing.

As a network manager,would you choose ATM or Ethernet as the protocol of choice on the backbone?

A switched backbone uses a bus topology

Computers can be assigned to a VLAN based on the ________.

Gateways are more simple than routers.

The backbone architecture layer that is closest to the users is the

The _______ is the part of the backbone that connects the LANs together.

Which of the following is a fundamental backbone network architecture?

Given network devices such as routers,switches and gateways,discuss three major technological trends that are helpful in explaining the differences between these devices.

Which of the following would be least effective in improving backbone performance?

Which of the following is not true about multi-switch VLANs?

Which of the following is not a way that a router differs from a switch?

A _____________ type of BN segments (each of which has a special set of subnet addresses that can be managed by different network managers)each part of the network connected to the backbone.

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

A room that contains a rack of equipment for a rack-based collapsed backbone is also called the main distribution facility (MDF)or central distribution facility (CDF).

Switches,routers,and gateways are devices that can connect networks to the BN.

One difference between a switch and a router is that a router will only process messages addressed to the router,while a switch processes all messages.

A _____________ type of BN is a new type of LAN/BN architecture made possible by intelligent,high speed switches that assign computers to LAN segments via software,rather than by hardware.

What are the main benefits of Virtual LANs?

Devices in a rack are connected together using ___________.

Introduction to Data Communications

Application Layer

Physical Layer

Data Link Layer

Network and Transport Layers

Wired and Wireless LANs

Wide Area Networks

The Internet

Network Security

Network Design

Network Management

Filters

It appears that the use of _ is decreasing in backbones while the use of is increasing.