Link Layer Flashcards
1
Q
Header and Trailer in Eth frame are…
A
extra info to help understand handling
2
Q
Payload is…
A
The data to be sent
3
Q
MAC addresses have how many bits?
A
48
4
Q
Even Parity is looking for…
A
An even number of 1s
5
Q
CRC is good for what kind of errors?
A
Burst errors(multiple bits)
6
Q
Carrier Send Multiple Access CD detects collisions by
A
Seeing if what it reads is different than what is being sent
7
Q
CSMA Collision Avoidance depends on…
A
An explicit ACK from the receiver
8
Q
When transmission fails…
A
Wait, and retransmit (backoff)
9
Q
MAC Address tables are…
A
Table in switch maps dest to output ports
