Chapter 11 Switches

Question 1

You want to make sure that all machine MAC address is updated in the forward/filter table and that all of them are present. What command would you use to see all the hardware address listed? 343

Answer 1

Show MAC address-table

Question 2

You are trying to test the loop avoidance of your switch network. Your loop avoidance came up unsuccessful, this cause a big problem known as a? 344

Answer 2

Broadcast storm

Question 3

Explain the phrase “loops propagating throughout the network” 345

Answer 3

Loops occurring within other loops

Question 4

The Spanning Tree Protocol was used to reduces loops in a network. The IEEE created its own known as what? 346

Answer 4

802.1D

Question 5

STP can transition into 5 states, what are they ? 347

Answer 5

Blocking, listening, learning, forwarding, disabled

Question 6

When all the ports on bridges and switches have transitioned to either forwarding or blocking modes this is known as what? 347

Answer 6

Convergence

Question 7

You are sitting at a machine, you’re about to send a data frame to a neighboring host machine that’s on the same switch. The switch does not have the the MAC address of the machine you are sending the data frame to. What is likely to happen? 343

Answer 7

The frame is flooded out all active interfaces except for the port that send the data frame