ethernet switching Flashcards
1
Q
how many bits is a mac address
A
48 bits
2
Q
whats the first half of a mac address
A
the oui organizationally unique identifier
3
Q
whats the second half of a mac address
A
the serial number
4
Q
whats values can be on a mac address
A
1-0 a-f
5
Q
what is duplex
A
describes how we send and receive
6
Q
what is half duplex
A
receive or send only not both
7
Q
what is full duplex
A
send and recieve data at the same time
8
Q
what is vlan trunking
A
having multiple separate vlans over the same physical line
9
Q
802.1Q
A
Vlan trunking
10
Q
ISL
A
inter switch link - old trunking method
11
Q
STP
A
spanning tree protocol
12
Q
whats the key role of STP
A
to stop looping in a network
13
Q
whats the lastest STP standard
A
RSTP 802.1w
14
Q
how big are jumbo frames
A
9126 or usally 9000
15
Q
what ieee manages flow control
A
802.3x
