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UDP and TCP use 1s complement for checksums. Assume you have the following 3 8-bit bytes: 01010101, 01110000, 01001100. Determine the 1s complement of sum of these 8-bit bytes? UDP and TCP utilize 16-bit words in calculating checksum, for this problem you are being asked to consider 8-bit sums. Illustrate all work. Describe why is it that UDP takes the 1s complement of the sum; that is.
Why not just use sum? With 1s complement schema, how does receiver detect errors? Is it possible that 1-bit error will go undetected? How about 2-bit error?
Describe and illustrate all addition of the three binary 8 bit bytes along with the carry over of ones in the addition of the problem.
Suppose we have training data from a Gaussian distribution of known covariance S but unknown mean Mu.
Compare the activity (quite theoretical) of the disk (in number of bytes) required for each of both relational. Indicate the advantages and the inconveniences of the new relational scheme.
You are designing simple 32-bit instruction-set architecture which requires to support 45 opcodes, three source operands and one destination operand. Determine the maximum size of register file that this architecture can use?
Policy to reduce network down-time if future incidents happen. Create incident response policy which covers development of incident response team, disaster recovery process and business continuity planning.
Illustrate visible and consistent management support. Establish privacy responsibilities. Privacy needs need to be incorporated into any position which handles personally identifiable information (PII).
Prove that PERM=POWER P, the obvious algorithm doesn't run in polynomial time as problem size is logarithmic (and no linear) with respect to the value of t.
Assume a cache has 16 1-word blocks and is initially empty. Placement is by direct mapping. Also, state whether each reference is a hit or a miss.
Provide an example of weighted directed graph G = (V, E) with weight function ω:E→R and source vertex s such that G satisfies following property.
Users dont seem to understand that they need to handle certain documents with more care and control than others. Which of the following will improve this situation?
Tension over case is running high in city. What do you require to ask police investigator for, and what procedures must you follow?
Find the contents of memory from address 0x1800 up to, but not including, 0x1809, after this code is executed.
Determine the default amount of time that the entry remains in ARP cache before being removed. You can find this empirically (by monitoring the cache contents).
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