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Computer Networks
Quiz
Q
Which of the following is not a step in the Header translation procedure?
AA. The ipv6 mapped address is changed to an ipv4 address by extracting the rightmost 32bits
BB. The value of the ipv6 priority field is discarded
CC. The type of service field in ipv4 is set to zero
DD. The ipv6 flow label is considered
Correct Answer:
D. D. The ipv6 flow label is considered
Explanation:
In the header translation procedure, first the IPv6 mapped address is changed to an IPv4 address by extracting the rightmost 32bits, then the value of the IPv6 priority field is discarded, and finally the ToS field in the IPv4 header is set to zero. IPv6 flow label is ignored in the procedure.