ARP

Question 1

What is ARP?

Answer 1

Address Resolution Protocol

Maps a MAC address to a corresponding IP address

Question 2

How does ARP get a MAC address?

Answer 2

Broadcast

Question 3

What is the windows command to see arp cache?

Answer 3

arp -a

Question 4

What is the broadcast address for an ARP request?

Answer 4

ff:ff:ff:ff:ff:ff

Question 5

How many bits is a MAC address?

Answer 5

48

Question 6

When an ARP reply is sent, what cast is it?

Answer 6

Unicast

Question 7

When a ping is sent to a computer for the first time, what process occurs?

Answer 7

An ARP request

Question 8

What does a computer do to see what’s inside a frame?

Answer 8

De-encapsulate

Question 9

What happens to a frame when it is received?

Answer 9

It is de-encapsulated, if the frame is for that device is will de-encapsulate further, otherwise the frame will be re-written to the desired device

Question 10

Why is a switch known as transparent?

Answer 10

They do not swap out addresses, they just forward based on a Layer 2 address