Question 1

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 A

Question 2

Which of the following is not true about switched backbones?

Accepted Answer

A) performance is improved over traditional bridged or routed) backbone networks 
B) each connection into the switch is a separate point-to-point circuit which supports simultaneous access by the LANs connected to the switch 
C) there are many more networking devices in a switched backbone network 
D) if the switch fails, so does the entire backbone network 
E) the backbone essentially exists in the switch; there is no backbone cable 
A) performance is improved over traditional bridged or routed) backbone networks 
B) each connection into the switch is a separate point-to-point circuit which supports simultaneous access by the LANs connected to the switch 
C) there are many more networking devices in a switched backbone network 
D) if the switch fails, so does the entire backbone network 
E) the backbone essentially exists in the switch; there is no backbone cable C

Question 3

_________ move packets along the backbone based on their network layer address.

Accepted Answer

A) Bridged backbones 
B) Hubbed backbones 
C) Multistation access unit backbones 
D) Routed backbones 
E) NIC backbones 
A) Bridged backbones 
B) Hubbed backbones 
C) Multistation access unit backbones 
D) Routed backbones 
E) NIC backbones D

Question 4

A switched backbone uses a bus topology

Accepted Answer

A) True 
 B)False

Question 5

VLANs prioritize traffic based on the ______.

Accepted Answer

A) IEEE 802.1q standard 
B) IEEE 802.11 standard 
C) VLAN size 
D) multiswitch allocation 
E) switch dynamics 
A) IEEE 802.1q standard 
B) IEEE 802.11 standard 
C) VLAN size 
D) multiswitch allocation 
E) switch dynamics

Question 6

The biggest drawbacks to VLANs are their_________________.

Accepted Answer

A) cost and management complexity 
B) size and contention 
C) contention and cost 
D) learning curve and contention 
E) speed and size 
A) cost and management complexity 
B) size and contention 
C) contention and cost 
D) learning curve and contention 
E) speed and size

Question 7

Network demand will not be reduced by:

Accepted Answer

A) restricting or moving) applications such as desktop videoconferencing 
B) using network devices to ensure that broadcast messages do not go to other networks 
C) encouraging the use of applications such as medical imaging 
D) sending status information to all computers on all LANs in the backbone network 
E) restricting or moving) applications such as multimedia 
A) restricting or moving) applications such as desktop videoconferencing 
B) using network devices to ensure that broadcast messages do not go to other networks 
C) encouraging the use of applications such as medical imaging 
D) sending status information to all computers on all LANs in the backbone network 
E) restricting or moving) applications such as multimedia

Question 8

Which of the following is not true about Layer-3 switches?

Accepted Answer

A) They switch messages based on their IP address. 
B) They can be used in place of routers. 
C) They function faster than routers. 
D) They have more simultaneously active ports than routers. 
E) They can only switch messages based on their data link layer addresses. 
A) They switch messages based on their IP address. 
B) They can be used in place of routers. 
C) They function faster than routers. 
D) They have more simultaneously active ports than routers. 
E) They can only switch messages based on their data link layer addresses.

Question 9

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 10

Routers:

Accepted Answer

A) operate at the application layer 
B) operate only at the physical layer 
C) cannot connect two or more networks that use the same type of cable 
D) may also be called TCP/IP gateways 
E) operate only at the data link layer 
A) operate at the application layer 
B) operate only at the physical layer 
C) cannot connect two or more networks that use the same type of cable 
D) may also be called TCP/IP gateways 
E) operate only at the data link layer

Question 11

Which of the following is true regarding switched backbones?

Accepted Answer

A) They place all network devices for one part of the building physically in the same room, often in a rack of equipment 
B) They have an advantage of requiring less cable 
C) They make it more difficult to move computers from one LAN to another 
D) Network capacity is always tied to the physical location of the computers 
E) They are harder to maintain and upgrade than a BN that is not rack-based 
A) They place all network devices for one part of the building physically in the same room, often in a rack of equipment 
B) They have an advantage of requiring less cable 
C) They make it more difficult to move computers from one LAN to another 
D) Network capacity is always tied to the physical location of the computers 
E) They are harder to maintain and upgrade than a BN that is not rack-based

Question 12

Which of the following is not a technology layer that is considered when designing backbone networks?

Accepted Answer

A) access layer 
B) distribution layer 
C) decentralized layer 
D) core layer 
E) none of the options 
A) access layer 
B) distribution layer 
C) decentralized layer 
D) core layer 
E) none of the options

Question 13

Associated with a switched backbone, MDF is an acronym for:

Accepted Answer

A) multi-station device foundation 
B) main distribution facility 
C) manual data frequency 
D) multiplexer downstream flow 
E) maximum data facility 
A) multi-station device foundation 
B) main distribution facility 
C) manual data frequency 
D) multiplexer downstream flow 
E) maximum data facility

Question 14

Switched backbone networks:

Accepted Answer

A) always use a ring topology 
B) are the least common type of BN used in one building 
C) use a star topology with one device, usually a switch 
D) have a great deal of cable in their backbones 
E) tend to have less cable, but more network devices 
A) always use a ring topology 
B) are the least common type of BN used in one building 
C) use a star topology with one device, usually a switch 
D) have a great deal of cable in their backbones 
E) tend to have less cable, but more network devices

Question 15

Backbone networks typically use lower speed circuits to interconnect a series of LANs and provide connections to other backbone networks.

Accepted Answer

A) True 
 B)False

Question 16

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 17

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 18

A routed backbone tends to be used more for large networks than VLANs, although VLAN high speed switches and this new type of LAN-BN architecture are now being considered.

Accepted Answer

A) True 
 B)False

Question 19

Routers operate at the application layer.

Accepted Answer

A) True 
 B)False

Question 20

Routers connect two or more network segments that use the same or different data link protocols, but the same network protocol.

Accepted Answer

A) True 
 B)False

Devices in a rack are connected together using ___________.

Which of the following is not true about switched backbones?

_________ move packets along the backbone based on their network layer address.

A switched backbone uses a bus topology

VLANs prioritize traffic based on the ______.

The biggest drawbacks to VLANs are their_________________.

Network demand will not be reduced by:

Which of the following is not true about Layer-3 switches?

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.

Routers:

Which of the following is true regarding switched backbones?

Which of the following is not a technology layer that is considered when designing backbone networks?

Associated with a switched backbone, MDF is an acronym for:

Switched backbone networks:

Backbone networks typically use lower speed circuits to interconnect a series of LANs and provide connections to other backbone networks.

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

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

A routed backbone tends to be used more for large networks than VLANs, although VLAN high speed switches and this new type of LAN-BN architecture are now being considered.

Routers operate at the application layer.

Routers connect two or more network segments that use the same or different data link protocols, but the same network protocol.

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

Devices in a rack are connected together using ___________.

Which of the following is not true about switched backbones?

_________ move packets along the backbone based on their network layer address.

A switched backbone uses a bus topology

VLANs prioritize traffic based on the ______.

The biggest drawbacks to VLANs are their_________________.

Network demand will not be reduced by:

Which of the following is not true about Layer-3 switches?

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.

Routers:

Which of the following is true regarding switched backbones?

Which of the following is not a technology layer that is considered when designing backbone networks?

Associated with a switched backbone, MDF is an acronym for:

Switched backbone networks:

Backbone networks typically use lower speed circuits to interconnect a series of LANs and provide connections to other backbone networks.

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

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

A routed backbone tends to be used more for large networks than VLANs, although VLAN high speed switches and this new type of LAN-BN architecture are now being considered.

Routers operate at the application layer.

Routers connect two or more network segments that use the same or different data link protocols, but the same network protocol.

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