Q-1:

a) How do the version number fields in IPv4 and IPv6 differ?

b) What is the general purpose of the diffserv subfield?

c) What is the general purpose of the flow label field?

d) In IPv6, how can the receiver tell the length of packet?

e) Does the payload length field include the lengths of any extension headers in the packet?

f) How is the hop limit field used?

g) Does IPv6 have a header checksum field?