4.13
answer:
4.14
answer:
4.17
answer:
Each of the above offsets should be an integer multiple of 8 bytes, that is, 64 bits, and every 8 bytes is an offset. The MAC frame data part (IP datagram) is generally 1500 bytes, that is, the above 1200 bit expression the meaning of.
Knowledge points:
4.20
answer:
4.21
answer:
4.22
answer:
4.26
answer:
Knowledge point: merge supernet
It's similar to subnetting. Conversely, the merged supernet of class C addresses can also be subnetted according to class B addresses.
4.28
answer:
4.29
answer:
There are many answers to this question. The principle of solving the problem is to first assign IP addresses to the network segment with a large number of hosts, such as LAN 3, LAN 2 LAN_3, LAN_2L A N3,L A N2Two network segments
4.41
answer:
4.42
answer:
4.56
answer:
4.57
answer:
4.58
answer: