Ethernet LAN Switching Part 1 Flashcards Preview

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Flashcards in Ethernet LAN Switching Part 1 Deck (23)
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1

Hexadecimal B = Decimal ______

11

2

Hexadecimal C = Decimal ______

12

3

Ethernet header 'Source' = ______ Byte(s)

6 Bytes

4

What does MAC stand for?

Media Access Control

5

By default, a dynamic MAC address will be removed from the MAC address table after [time] of inactivity.

5 minutes

6

Ethernet header 'Preamble' = ______ Byte(s)

7 Bytes

7

Ethernet header 'Destination' = ______ Byte(s)

6 Bytes

8

What is the only field in an Ethernet trailer?

FSC (Frame Check Sequence)

9

What is the bit pattern of one byte in the Ethernet preamble?

10101010

10

Hexadecimal A = Decimal ______

10

11

What is the bit pattern of the Ethernet SFD (Start Frame Delimiter)?

10101011

12

What is the Ethernet Type value for IPv6? (in hexadecimal)

0x86DD

13

What does 'FCS' in an Ethernet frame stand for?

Frame Check Sequence

14

What does a switch do with an unknown unicast frame?

Floods it out all ports (except the one it was received on)

15

What kind of algorithm does the Ethernet FSC use?

CRC (Cyclic Redundancy Check)

16

A MAC address is written as ______ hexadecimal characters.

12

17

What does 'SFD' in an Ethernet header stand for?

Start Frame Delimiter

18

How long is a MAC address? = _______ Byte(s)

6 Bytes

19

Ethernet header 'SFD' = ______ Byte(s)

1 Bytes

20

A value of ______ or less in the Type/Length field indicates Length.

1500

21

How long is a MAC address? = ______

48 bits

22

What does a switch do with an unknown unicast frame?

Floods it out all ports (expect the one it was received on)

23

Hexadecimal D = Decimal _______

13