Which of the following is used in the options field of IPv4?
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Correct answer: (D) All of the above
Explanation
IPv4 is the fourth version in the development of the IP. and IPv4 use loose source for an IP option can be used for address translation and IPv4 also use strict source routing for the contrast with loose source routing, in every step of the route is decided in advance where the packet is send and IPv4 also time stamp. So the correct answer is (d).