IPv4 Header Flashcards Preview

CCNA 201 - 300 > IPv4 Header > Flashcards

Flashcards in IPv4 Header Deck (20)
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1

The IPv4 header 'Version' field is _______ bits in length.

4 bits

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: What does 'IHL' stand for?

Internet Header Length

5

IPv4 header: The 'IHL' field is _____ bits in length.

4 bits

6

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

4-Bytes (32 bits)

7

IPv4 header: What is the minimum value of the IHL field?

5

8

IPv4 header: What is the maximum value of the IHL field?

15

9

What is the maximum length of the IPv4 header?

60 Bytes

10

What is the minimum length of the IPv4 header?

20 Bytes

11

IPv4 header: What does 'DSCP' stand for?

Differentiated Services Code Point

12

IPv4 header: The 'DSCP' field is _____ bits in length.

6 bits

13

IPv4 header: Which field is used to prioritize delay-sensitive network traffic?

DSCP (Differentiated Services Code Point)

14

IPv4 header: What does 'ECN' stand for?

Explicit Congestion Notification

15

IPv4 header: The 'ECN' field is _____ bits in length.

2 bits

16

IPv4 header: Which field provides end-to-end notification of network congestion?

ECN (Explicit Congestion Notiification)

17

IPv4 header: The 'Total Length' field is ______ bits in length.

16 bits

18

IPv4 header: Which field indicates the total length of the packet?

Total Length

19

IPv4 header: What is the minimum value of the 'Total Length' field?

20 (=IPv4 header with no encapsulated data)

20

IPv4 header: What is the maximum value of the 'Total Length' field?

65,535