1
Q
What does LAN stand for
A
local area network
2
Q
example of a wireless LAN
A
wifi
3
Q
in what layers does ethernet operate in
A
data link
physical
4
Q
what 8 components are there to an ethernet frame
A
Preamble
SFD
Destination
Source Address
Length
Data and Padding
CRC
5
Q
how many bytes long is the preamble
A
7
6
Q
what is the preamble comprised of
A
56 alternating bits of 1s and 0s
7
Q
what is the purpose of the preamble
A
indicated to the receiver that the frame is coming
for syncronisation
8
Q
what does SFD stand for
A
start frame delimeter
9
Q
how many bytes is the SFD
A
1
10
Q
what is the SFD always
A
10101011
11
Q
how many bytes are the addresses each
(source and destination)
A
6
12
Q
how many bytes is the length
A
2
13
Q
how many bytes is the data and padding
A
varies
