Explore BrainMass

Networks: Transport Layer

This content was STOLEN from BrainMass.com - View the original, and get the already-completed solution here!

UDP and TCP use 1s complement for their checksums. Suppose you have the following three 8-bit bytes: 01010011, 01010100, 01110100. What is the 1s complement of the sum of these 8-bit bytes? (Note that although UDP and TCP use 16-bit words in computing the checksum, for this problem you are being asked to consider 8-bit sums.) Show all work. Why is it that UDP takes the 1s complement of the sum; that is, why not just use the sum? With the 1s complement scheme, how does the receiver detect errors? Is it possible that a 1-bit error will go undetected? How about a 2-bit error?

Please see attachment for remaining questions.

© BrainMass Inc. brainmass.com October 25, 2018, 6:34 am ad1c9bdddf


Solution Summary

This solution includes a set of questions based on the transport layer of the OSI model.

See Also This Related BrainMass Solution

Network Security: Seven Layers of Open Systems Interconnection

Explain the seven layers of the OSI model in detail.

At which layers do packet-filtering routers and firewalls reside?

How do packet-filtering routers and firewalls protect a network?

Include at least one reference.

View Full Posting Details