Ethernet LAN Switching Part 1 Flashcards
Hexadecimal B = Decimal ______
11
Hexadecimal C = Decimal ______
12
Ethernet header ‘Source’ = ______ Byte(s)
6 Bytes
What does MAC stand for?
Media Access Control
By default, a dynamic MAC address will be removed from the MAC address table after [time] of inactivity.
5 minutes
Ethernet header ‘Preamble’ = ______ Byte(s)
7 Bytes
Ethernet header ‘Destination’ = ______ Byte(s)
6 Bytes
What is the only field in an Ethernet trailer?
FSC (Frame Check Sequence)
What is the bit pattern of one byte in the Ethernet preamble?
10101010
Hexadecimal A = Decimal ______
10
What is the bit pattern of the Ethernet SFD (Start Frame Delimiter)?
10101011
What is the Ethernet Type value for IPv6? (in hexadecimal)
0x86DD
What does ‘FCS’ in an Ethernet frame stand for?
Frame Check Sequence
What does a switch do with an unknown unicast frame?
Floods it out all ports (except the one it was received on)
What kind of algorithm does the Ethernet FSC use?
CRC (Cyclic Redundancy Check)
A MAC address is written as ______ hexadecimal characters.
12
What does ‘SFD’ in an Ethernet header stand for?
Start Frame Delimiter
How long is a MAC address? = _______ Byte(s)
6 Bytes
Ethernet header ‘SFD’ = ______ Byte(s)
1 Bytes
A value of ______ or less in the Type/Length field indicates Length.
1500
How long is a MAC address? = ______
48 bits
What does a switch do with an unknown unicast frame?
Floods it out all ports (expect the one it was received on)
Hexadecimal D = Decimal _______
13
