Which IPv6 header field was created to identify and distinguish between packets of different
priorities?

A.
The flow label field

B.
The class filed

C.
The payload length filed

D.
The protocol field

Explanation:
Traffic class replaced the TOS (Type of Service) field, and was implemented to handle different
data packet priorities, such as real time data.

Incorrect Answers:
A: Used by the sender to label packets that require special handling by IPv6 routers
C: The payload length field is used to hold the length of the packet, which does not include the
size of the header.
D: The protocol field was renamed to Next Header. The protocol field does not exist in Ipv6.