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Briefly explain the following three methods of connecting to Internet: Cable Internet service, digital subscriber line, and dial-up Internet service. Determine the cost of joining per month and is it free or we require to pay.
You have taken job with a software user who has contracted previous employer to develop a system for them. You discover that your company's interpretation of requirements is different from interpretation.
It is essential to encrypt it, by using solutions like PGP (Pretty Good Privacy), S/MIME (Secure Multi-Purpose Internet Message Exchange), and steganography. Research these different mechanisms.
Let N users participating in the audio/video conference by using IP multicasting. Each user is equipped with the microphone, camera, and speakers. How many distinct canonical names are required?
List the primary differences between the TCP and UDP. Would you recommend UDP or TCP for the voice over IP phone call? Justify your choice.
Consider a 100mbps token ring network with 10 stations having a ring latency of 50¹s. Calculate the maximum throughput rate that one host can achieve in the network.
This fiber-optic line has reached capacity. What alternatives can the telephone company consider to increase capacity?
What size of packet will result in the last bit being transmitted just as the first bit of the packet arrives at the "far end" of the cable?
Hypothetical company (make up one for this problem) for your system (for example: operating system) that you are trying to certify at the TOP SECRET level?
Iif both C1 and C2 at time t0 have congestion window of 10 segments what are their congestion window size after 2200 msec
What kinds of wireless WAN services are available today? What standards are involved with wireless WAN services? What kinds of issues might you encounter?
Are organizations likely to find better solutions to information overload through changes to their technical systems or their social systems, or both? Why?
Describe what wireless network modulation schemes are and why they are essential in wireless networking. Choose one of the modulation schemes and sum-up it.
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