IPv6 Header

Question 1

Version

Answer 1

A forbid field that indicates that IP version being used, and is always set to a value of 6 for IPV6 headers

Question 2

Traffic class

Answer 2

A 8-bit field used to indicate their priority of the packet, and is typically divided into a six bit differentiated services code point DSCP field and a two bit explicit congestion modification ECN field performed the same function as an IP V4, TOS byte

Question 3

Flow label

Answer 3

A 20 bit field used to identify a group of packets as belonging to a single stream 

Question 4

Payload length

Answer 4

A 16 bit field used to indicate how many bytes are contained in the payload 

Question 5

Next header

Answer 5

An eight bit field used to indicate the next type of header encapsulated in the IP V6 packet. Typically a layer for protocol such as TCP or UDP. 

Question 6

Hop limit

Answer 6

An eight bit field used to prevent routing loops by being the incremented by one at each router hop until the packet is discarded when the hop
limit =0. Replaces the IP V4 TTL field. 

Question 7

Source address

Answer 7

A 128 bit field that indicates the IPV six address of the sender

Question 8

Designation address

Answer 8

A 128 bit field that indicates the IPv6 address of the receiver