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Given the narrow usable audio bandwidth of a telephone transmission facility, a nominal SNR of 56 dB (400,000), and a distortion level of <0.2%: What is the theoretical maximum channel capacity (Kbps) of traditional telephone lines (POTS)? Will that be the actual maximum channel capacity?
Assume that sender sends silence suppressed RTP stream of G.711 audio to receiver. During talk spurt 20 msecs chunks of quantized audio samples are encapsulated. Determine number of samples are included in each packet?
What are some benefits and drawbacks of using social networking?
Identify the various costs associated with the deployment, operation and maintenance of a mobile-access system. Identify the benefits to the various categories of user, arising from the addition of a mobile-access facility.
Is Nmap able to recognize operating system running on each system? Is there any Nmap feature which can be utilized to guess OS of host?
Design the datagram and illustrate what contents of each of Next Header fields would contain. You do not have to look up actual numeric value, just explain what it would be referencing next.
Suppose computers on your home network are connected to a single hub (a), but now you need to expand the network.
you are asked to investigate and write a report on using Internet phone and the company's existing LAN to replace the company's PBX.
Describe how Web caching can reduce the delay in receiving a requested object. Will Web caching reduce the delay for all objects requested by a user
You are provided with some continuous signals for the number of sensors on a sensor array. The signals detect various categories of signals.
Which kind of security drill do you believe is the most typical in an organization? Which type of security drill do you believe is the most effective? Why?
List as many ways as possible to interconnect the three computers so that they could operate on one local area network.
Assume nodes A and Bare on the same 10 Mbps Ethernet bus, and the propagation delay between the two nodes is 325 bit times. The answer is no, if B 's signal reaches A before bit time t = 512 + 64 bits. In the worst case, when does B's signal reach A?
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