IPv4 Header Flashcards Preview

CCNA 200-301 > IPv4 Header > Flashcards

Flashcards in IPv4 Header Deck (56)
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1

A router will drop a packet with a TTL of ___

0

2

A value of ___ in the IP header “Version” field indicates IP version 4.

4 (binary 0100)

3

A value of ___ in the IP header “Version” field indicates IP version 6.

6 (binary 0110)

4

IPv4 header “Flags” field:
Bit: ___ = Reserved, always set to 0

0

5

IPv4 header “Flags” field:
Bit ___ = DF bit

1

6

IPv4 header “Flags” field:
Bit ___ = MF bit

2

7

IPv4 header “Flags” field:
What does “DF bit” stand for?

Don’t Fragment bit

8

IPv4 header “Flags” field:
What does “MF bit” stand for?

More Fragments bit

9

IPv4 header “Protocol” field:
Value of 1 = ___

ICMP

10

IPv4 header “Protocol” field:
Value of 17 = ___

UDP

11

IPv4 header “Protocol” field:
Value of 6 = ___

TCP

12

IPv4 header “Protocol” field:
Value of 89 = ___

OSPF

13

IPv4 header “Protocol” field:
Value of ___ = ICMP

1

14

IPv4 header “Protocol” field:
Value of ___ = OSPF

89

15

IPv4 header “Protocol” field:
Value of ___ = TCP

6

16

IPv4 header “Protocol” field:
Value of ___ = UDP

17

17

IPv4 header: All fragments of the same packet will have the same value in the ___ field

Identification

18

IPv4 header: the “Checksum” field is ___ bits in length.

16

19

IPv4 header: the “Destination IP Address” field is ___ bits in length.

32

20

IPv4 header: the “DSCP” field is ___ bits in length.

6

21

IPv4 header: the “ECN” field is ___ bits in length.

2

22

IPv4 header: the “Flags” field is ___ bits in length.

3

23

IPv4 header: the “Fragment Offset” field is ___ bits in length.

13

24

IPv4 header: the “Identification” field is ___ bits in length.

16

25

IPv4 header: the “IHL” field is ___ bits in length.

4

26

IPv4 header: the “Protocol” field is ___ bits in length.

8

27

IPv4 header: the “Source IP Address” field is ___ bits in length.

32

28

IPv4 header: the “Total Length” field is ___ bits in length.

16

29

IPv4 header: the “TTL” field is ___ bits in length.

8

30

IPv4 header: The IHL field specifies the length of the header in ___ increments.

4-byte (32 bit)