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Best answer
15 votes
15 votes

Comparison Between IPv4 and IPv6 :

Edit:

IPv6 is generally connectionless,but it can be made connection-oriented using the flow lable

so we can say that it is connection oriented

so B is correct

Thnking:

here we should not think like, ipv6 is connection less or not..think by the given statemts! in S2 , they said ipv6 is coonection oriented. Our approach be like, IS that statement  totaly FALSE? No.. so it may  be connection oriented..so we can go with S2

B is correct answer here

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5 votes
5 votes

Answer is B . Only S2

  • In a connectionless service, there is no setup and teardown phases. Each packet is independent from every other packet. Communication has only one phase: data transfer.
  • In connection-oriented service, a virtual connection is established between the sender and the receiver before transferring data. Communication has three phases: setup, data transfer, and teardown.
  • IPv4 provides a connectionless service;
  • IPv6 normally provides a connectionless service, but it can provide a connectionoriented service if flow label field is used.

    edit: more accurately S2 should have been..IPV6 can be connection oriented..but since its a made easy question no worries!
edited by
2 votes
2 votes
Header size is fixed(40bytes)in ipv6

Header size is variable in ipv4

Ipv6 provides connectionless service..but if flow labels are used it can provide connection oriented service
2 votes
2 votes
D) Neither S1 nor S2

Header size for both are different.
Both are connectionless.

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Chhotu asked Jan 31, 2018
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Hi Guys,Could you please provide justification for the mentioned options ?