Question 1

Routers can only connect the same type of cable.

Accepted Answer

A) True 
 B)False

Question 2

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

Accepted Answer

A) True 
 B)False

Question 3

Describe how a VLAN works.

Accepted Answer

A VLAN, or Virtual Local Area Network, w

Question 4

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

Accepted Answer

A) True 
 B)False

Question 5

Routers:

Accepted Answer

A) connect different IP networks or subnetworks 
B) typically do not require any configuration by the network administrator 
C) use data link layer addresses to move packets that leave the subnet 
D) typically require only one TCP/IP address 
E) do less processing on packets than a layer 2 switch does 
A) connect different IP networks or subnetworks 
B) typically do not require any configuration by the network administrator 
C) use data link layer addresses to move packets that leave the subnet 
D) typically require only one TCP/IP address 
E) do less processing on packets than a layer 2 switch does

Question 6

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

Accepted Answer

1. Software-Defined Networking (SDN): On

Question 7

Switches:

Accepted Answer

A) learn addresses by reading the source and destination addresses 
B) operate at the physical layer only 
C) connect two ore more network segments that use different data link protocols 
D) connect two or more network segments that use different network protocols 
E) have become less popular than hubs 
A) learn addresses by reading the source and destination addresses 
B) operate at the physical layer only 
C) connect two ore more network segments that use different data link protocols 
D) connect two or more network segments that use different network protocols 
E) have become less popular than hubs

Question 8

One advantage of a routed backbone is that is requires little management.

Accepted Answer

A) True 
 B)False

Question 9

When might a router be useful than a switch?

Accepted Answer

A router might be more useful than a swi

Question 10

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 11

A __________ type of BN has a star topology with a switch at its center resulting in all devices on the BN segment being part of the same IP network.

Accepted Answer

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

Question 12

Which of the following would not be part of an "ideal" backbone design?

Accepted Answer

A) access layer composed of 10/100 layer 2 Ethernet switches 
B) distribution layer composed of layer 3 Ethernet switches of 100 or 1000) Base-T 
C) redundant switches 
D) core layer composed of layer 3 Ethernet switches running 10 or 40) GbE over fiber 
E) coax cabling throughout LANs and BN 
A) access layer composed of 10/100 layer 2 Ethernet switches 
B) distribution layer composed of layer 3 Ethernet switches of 100 or 1000) Base-T 
C) redundant switches 
D) core layer composed of layer 3 Ethernet switches running 10 or 40) GbE over fiber 
E) coax cabling throughout LANs and BN

Question 13

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) switch the traffic based on layer 3 addresses 
E) require much more management that do routed backbone networks 
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) switch the traffic based on layer 3 addresses 
E) require much more management that do routed backbone networks

Question 14

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

Accepted Answer

A) True 
 B)False

Question 15

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

Accepted Answer

A) True 
 B)False

Question 16

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

Accepted Answer

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

Question 17

Many routers have more sophisticated ACL software that enables the ACL to have different
rules for different interfaces,

Accepted Answer

A) True 
 B)False

Question 18

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

Accepted Answer

A) True 
 B)False

Question 19

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 20

Using ______ capabilities, network managers can connect VOIP phones directly into a VLAN switch and configure the switch to reserve sufficient network capacity so that they will always be able to send and receive voice messages.

Accepted Answer

A)  backbone 
B)  switched 
C)  routed 
D) QoS 
E) access 
A)  backbone 
B)  switched 
C)  routed 
D) QoS 
E) access

Routers can only connect the same type of cable.

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

Describe how a VLAN works.

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

Routers:

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

Switches:

One advantage of a routed backbone is that is requires little management.

When might a router be useful than a switch?

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

A __________ type of BN has a star topology with a switch at its center resulting in all devices on the BN segment being part of the same IP network.

Which of the following would not be part of an "ideal" backbone design?

Switched backbone networks:

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

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

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

Many routers have more sophisticated ACL software that enables the ACL to have different rules for different interfaces,

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

The biggest drawbacks to VLANs are their_________________.

Using ______ capabilities, network managers can connect VOIP phones directly into a VLAN switch and configure the switch to reserve sufficient network capacity so that they will always be able to send and receive voice messages.

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

Routers can only connect the same type of cable.

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

Describe how a VLAN works.

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

Routers:

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

Switches:

One advantage of a routed backbone is that is requires little management.

When might a router be useful than a switch?

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

A __________ type of BN has a star topology with a switch at its center resulting in all devices on the BN segment being part of the same IP network.

Which of the following would not be part of an "ideal" backbone design?

Switched backbone networks:

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

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

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

Many routers have more sophisticated ACL software that enables the ACL to have different rules for different interfaces,

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

The biggest drawbacks to VLANs are their_________________.

Using ______ capabilities, network managers can connect VOIP phones directly into a VLAN switch and configure the switch to reserve sufficient network capacity so that they will always be able to send and receive voice messages.

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