DM_Chapter 11 switching and virtual LANs

Question 1

Before LAN switching the network design was called a ______ _____ because all the host involved had to go to the corporate backbone in order to reach any network services. p 336

Answer 1

Collapsed Backbone

Question 2

Bridges use software to create and manage a filter table, but switches use what to accomplish the same tasks? p 338

Answer 2

ASICs (Application specific integrated circuits)

Question 3

ASICs (Application specific integrated circuits) are used for what purpose? p 338

Answer 3

To break up collision domains

Question 4

T/F Layer 2 switches and bridges are faster than routers because they dont take up time looking for Network Layer header information. p 338

Answer 4

True

Question 5

T/F Switches provide independent bandwidth on each port un-like hubs. p 339

Answer 5

True

Question 6

Layer 2 switching provide what kind of benefits for your network? p 339 Hint (4)

Answer 6

Hardware based bridging ASIC, Wire speed, Low latency Low cost

Question 7

T/F A bridge can be viewed as a multi port bridge p 340

Answer 7

True

Question 8

T/F A bridge has a higher number of ports than a switch. p 340

Answer 8

False. A switch has a higher number of ports than a Bridge.

Question 9

How does bridges and switches learn MAC addresses? p 340

Answer 9

By examining the source address of each frame recieved

Question 10

There are three distinct functions of layer 3 switching p 340

Answer 10

Address Learning , Forward / filtering decisions , Loop avoidance.