Chapter 8: Backbone Networks Flashcards
(13 cards)
A backbone network is a high-speed network that connects many networks. (TRUE/FALSE)?
True
A backbone network that connects many backbone networks spanning several buildings at a single location is often called an Internet backbone. (TRUE/FALSE)?
False
One basic component of a backbone network is the hardware device that connects other networks to the backbone. (TRUE/FALSE)?
True
Routers use network layer address to forward packets between network segments. (TRUE/FALSE)?
True
Routed backbones use switches that move packets based on data link layer addresses. (TRUE/FALSE)?
False
Which of the following is not true about Layer-3 switches?
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
e. They can only switch messages based on their data link layer addresses
What is the most common type of backbone network used in the distribution layer, often employing a star topology with one switch at its center
a. Routed backbone
b. Campus backbone
c. Switched backbone
d. VLAN backbone
e. Chassis switch backbone
c. Switched backbone
Which type of backbone network is most commonly used to connect different buildings on the same enterprise campus network?
a. Switched backbone
b. Routed backbone
c. MDF backbone
d. VLAN bakcbone
e. Chassis switch backbone
b. Routed backbone
VLANs offer several benefits. Which of the following is not a benefit of using VLANs?
a. Smaller Broadcast Domains
b. Improved Security
c. Reduced Cost
d. Simpler Management
e. Larger Broadcast Domains
e. Larger Broadcast Domains
true or false
Backbone networks today primarily use high-speed Ethernet technologies
True
true or false
When using VLANs, devices in different VLANs can communicate without a Layer 3 device
False
true or false
A trunk in VLAN environment is a point-to-point link between two network devices that allows only one VLAN
False
t or f
A chassis switch provides less flexibility than a rack of individual switches in a backbone network
False
