Stackwise

Question 1

How many switches can be added to a stack?

Answer 1

9

Question 2

What bandwidth do stacking cables support?

Answer 2

16 gig each way.

Question 3

List the criteria used for selecting the master switch.

Answer 3

1. Highest priority
2. Preconfigured
3. Longest uptime
4. Lowest MAC address

Question 4

What happens if a stacking cable goes down?

Answer 4

The stack will remain up, but it’s bandwidth will be cut in half.

Question 5

List some things that the master switch is responsible for.

Answer 5

1. Downloading forwarding tables, ACLs, and QOS info to other switches.
2. Letting other switches know when members are removed/added to the stack.
3. Keeping the master CAM table and sending it to other switches.
4. Responding to pings, telnet sessions, etc.
5. Configuring new stack members.

Question 6

How long does stack failovers take?

Answer 6

Microseconds.

Question 7

Each stack member MUST have the same ___.

Answer 7

IOS.

Question 8

Each stack member SHOULD have the same ___.

Answer 8

Feature set.

Question 9

What are two ways that a master switch can update a stack member’s IOS?

Answer 9

1. Upload it from its own flash.

2. Send it from a TFTP server.

Question 10

If a new stack member does not support the master’s IOS, what will happen to that switch?

Answer 10

It will be placed into “suspension” mode until a compatible IOS is uploaded to the master switch (and the entire stack).