UDP-1 Lab: Q07.7 Request/reply port numbers.
Examine the pair of UDP segments in which your host sends the first UDP segment and the second UDP segment is a reply to this first UDP segment. (Hint: for a second segment to be sent in response to a first segment, the sender of the first packet should minimally be the destination of the second segment). Describe the relationship between the port numbers in the two segments.

Question

UDP-1 Lab: Q07.7 Request/reply port numbers. 
 Examine the pair of UDP segments in which your host sends the first UDP segment and the second UDP segment is a reply to this first UDP segment. (Hint: for a second segment to be sent in response to a first segment, the sender of the first packet should minimally be the destination of the second segment).  Describe the relationship between the port numbers in the two segments.

Answer

The destination port of the reply segment should be the same as the destination port of the request segment.  And the source port of the reply segment should be the same as the destination port of the source segment.

Answer

All source and destination port numbers must be the same identical value in both segments.

Answer

The destination port of the reply segment should be the same as the source port of the request segment.  And the source port of the reply segment should be the same as the destination port of the request segment.

Answer

None of the source and destination port numbers need to have an identical value.

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UDP-1 Lab: Q07.7 Request/reply port numbers. Examine the pair of UDP segments ...

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