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Consider transferring an enormous file of L bytes from Host A to Host B. Assume the Maximum Segment Size (MSS) of 1460 bytes.
a) What is the maximum value of L such that TCP sequence numbers are not exhausted? Recall that the TCP sequence number field has 4 bytes.
b) For the L bytes calculated in part (a), find how long it takes to transmit the file.
Assume that a total of 66 bytes of transport, network and link layer header are added to each segment before the resulting packet is sent over a 10Mbps link. Ignore flow control and congestion control so A can pump out the segments back to back and continuously.
Average telephone is used to make four calls per 8-hour workday, with mean call duration of six minutes. Ten percent of calls are long distance. Determine maximum number of telephones an end office can support?
According to data from Marketing Sherpa, approximately 64% of "key decision makers" are reading messages on a BlackBerry or other mobile device. What considerations we must be aware with email design? Is it an issue?
One-way to solidify the concepts of client/server computing and interprocess communication is to develop the requirements for a computer game which plays "Rock, Paper, Scissors" using these techniques.
When people describe client-server architecture, they are usually referring to a system in which a large server is serving a client on a PC. With X Window, the reverse is frequently the case. Explain
List as many ways as possible to interconnect the three computers so that they could operate on one local area network.
You have been asked to design a LAN with operation over a distance of about 100m. Compare and contrast twisted pair cable, coaxial cable, fiber-optics.
Explain which concepts are the most significant to consider when designing information security policies and procedures.
Explain what the personnel implications are when setting up a WAN on a global basis. What are some of the barriers involved with global teams?
Write about SSH or OpenSSH server services discussion questions
Using the frequency definition of bandwidth, what should the bandwidth of 10 Mbps Ethernet link be if the signal-to-noise ratio is 20 dB?
Richard Sclove argues that we must do more to acknowledge technoogy's 'polypotency.' What does this term mean, why does Sclove think that it is significant to acknowledge this characteristic of technology?
Determine the minimum required bandwidth for the baseband transmission of an 8-level PAM pulse sequence having a data rate, Rb, of 9600 bps.
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