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CCNA 201 - 300 > Ethernet LAN Switching Part 1 > Flashcards

Ethernet LAN Switching Part 1 Flashcards

1
Q

Hexadecimal B = Decimal ______

A

11

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2
Q

Hexadecimal C = Decimal ______

A

12

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3
Q

Ethernet header ‘Source’ = ______ Byte(s)

A

6 Bytes

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4
Q

What does MAC stand for?

A

Media Access Control

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5
Q

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

A

5 minutes

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6
Q

Ethernet header ‘Preamble’ = ______ Byte(s)

A

7 Bytes

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7
Q

Ethernet header ‘Destination’ = ______ Byte(s)

A

6 Bytes

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8
Q

What is the only field in an Ethernet trailer?

A

FSC (Frame Check Sequence)

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9
Q

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

A

10101010

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10
Q

Hexadecimal A = Decimal ______

A

10

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11
Q

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

A

10101011

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12
Q

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

A

0x86DD

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13
Q

What does ‘FCS’ in an Ethernet frame stand for?

A

Frame Check Sequence

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14
Q

What does a switch do with an unknown unicast frame?

A

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

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15
Q

What kind of algorithm does the Ethernet FSC use?

A

CRC (Cyclic Redundancy Check)

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16
Q

A MAC address is written as ______ hexadecimal characters.

A

12

17
Q

What does ‘SFD’ in an Ethernet header stand for?

A

Start Frame Delimiter

18
Q

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

A

6 Bytes

19
Q

Ethernet header ‘SFD’ = ______ Byte(s)

A

1 Bytes

20
Q

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

A

1500

21
Q

How long is a MAC address? = ______

A

48 bits

22
Q

What does a switch do with an unknown unicast frame?

A

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

23
Q

Hexadecimal D = Decimal _______

A

13

CCNA 201 - 300 (12 decks)

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