Question Bank - Computer Networks

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In an IPv6 header, the traffic class field is similar to the _____ field in the IPv4 header.

A.
TOS field
B.
Fragmentation field
C.
Fast Switching
D.
Option field

Solution:

Traffic Class/ PriorityTraffic Class field indicates class or priority of the IPv6 packet which is similar to Type of service Field(TOS) in the IPv4 packet. It helps routers to handle the traffic based on priority of the packet. If congestion occurs on the router then packets with the least priority will be discarded.IPv4 header:

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