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Q1) Terminal A is sending data to terminal B using a sliding window protocol with the window size equal to 5 and the maximum sequence number equal to 6 (sequence numbers begin with 0). We make the following assumptions: (1) use of go-back-n protocol, (2) A can send 5 packets before B receives the first one of the 5, (3) the retransmission timer at A is set to slightly more than the round-trip time. Suppose that the 3rd and 4th packets that A transmits are lost once and must be retransmitted. Show all packets that are sent by A by the time that B receives the 10th new packet transmitted by A. (Do not count retransmissions in arriving at the 10th "new" packet.)
Explain the relationship between privacy and IT. Describe some of the threats to information security and some of the measures you can take to protect information resources.
Write down the analogous steps in dimensioning a computer network?
Compute the total time required to transfer a 1000KB file on a 1Mbps link with an RTD of 100msec ans a packet size of 1 KB in the following cases.a).
Let N users participating in audio/video conference by using IP multicasting. How many distinct SSRCs are required?
As security manager at XYZ Corporation, you are responsible for managing intrusion detection environment. If you were given the ability to build the environment from scratch, would you use network based IDS, host based IDS, or a combination?
Explain the purposes of POE in WLAN design. Provide at least 3 scenarios of POE being used as the prime element in WLAN design to address the projects cost
Explain in scholarly detail role of telecommunications operations functions in Telecommunications Asset Life Cycle Model concept?
The main memory of a computer is organized as 128 blocks, with a block size of 16 words. The cache has eight block frames. Illustrate direct mapping and address bits that recognize the tag field, the block number, and the word number.
Develop a thesis statement pertaining to social networking. Identify writing strategies (mind mapping, brainstorming, and free writing)for developing the thesis and summarize experiences.
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.
Illustrate how many protocols and protocol implementations are required to permit all nodes to communicate?
When a DNS resolver queries the name server, does case of the domain name affect response?
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