Reference no: EM133270146
1. If I build a server for this class and give everyone accounts on it, which standard port should I use so that people can securely log onto the machine and do things like creating and editing files?
2. The data 0010 0000 1101 0011 1000 0101 1010 0010 is computed using the UDP checksum, what will the checksum be? Please give its value in hex.
3. A sender sends a TCP segment that contains byte numbers 4500 to 5720 of a data stream. This happens to be the 7th segment sent.
(a) What is the sequence number of this segment?
(b) What is the acknowledgment number the receiver would use to acknowledge this segment?
4. Suppose a sender sends segments 1, 2, 3, 4, 5, and 6. Suppose segment 4 was lost.
(a) We could ACK segments 1, 2, and 3 separately. To accomplish the same thing with a single ACK what can we do?
(b) Is it possible to use ordinary ACKs to acknowledge 1, 2, 3, and 5, but not 4? Explain briefly
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