Ethernet Switching Flashcards Preview

CCNA 200-301 > Ethernet Switching > Flashcards

Flashcards in Ethernet Switching Deck (56)
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1

A ___ frame is a frame destined for a single target.

Unicast

2

A MAC address is written as ___ hexadecimal characters

12

3

A MAC address learned by a switch without manual configuration is called a ___

Dynamic MAC address (dynamically learned MAC address)

4

A switch will flood an __ unicast frame

Unknown

5

A value of ___ or greater in the Type/Length field indicates Type.

1536

6

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

1500

7

By default, a dynamic MAC address will be removed from the MAC address table after ___ of inactivity

5 minutes

8

Ethernet header “destination” = ___ byte(s)

6

9

Ethernet header “preamble” = ___ byte(s)

7

10

Ethernet header “SFD” = ___ byte(s)

1

11

Ethernet header “source” = ___ byte(s)

6

12

Ethernet header “Type/Length” = ___ byte(s)

2

13

Ethernet trailer “FCS” = ___ byte(s)

4

14

Hexadecimal A = Decimal ___

10

15

Hexadecimal B = Decimal ___

11

16

Hexadecimal C = Decimal ___

12

17

Hexadecimal D = Decimal ___

13

18

Hexadecimal E = Decimal ___

14

19

Hexadecimal F = Decimal ___

15

20

How long is a MAC address? = ___ bits

48

21

How long is a MAC address? = ___ bytes

6

22

The first 3 bytes of a MAC address are the ___

OUI (Organizationally Unique Identifier)

23

The first ___ byes of a MAC address are the OUI

3

24

What are the 5 fields of an Ethernet Headed?

Preamble, SFD, Destination, Source, Type/Length

25

What does “FCS” in an Ethernet Frame stand for?

Frame Check Sequence

26

What does “SFD” in an Ethernet header stand for?

Start Frame Delimiter

27

What does a switch do with an unknown unicast frame?

Floods it out all ports (except port it was received on

28

What does MAC stand for?

Media Access Control

29

What is another name for a MAC address?

BIA (Burned-In Address)

30

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

10101010