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Q1) Assume that frame transmission times ? are exponentially distributed with, for example, probability density p(?) = e- ? ,for ? >=0. Assume that a new frame always starts in each direction as soon as the previous one in that direction terminates. Assume that transmission times are all independent and that processing and propagation delays are negligibile. Show that the probability q that a given frame is not asked before n-1 additional frames have been sent (i.e., the window is exhausted) is q = (1+n)2-n.
Let RTP session comprising of four users, all of which are sending and receiving packets to same multicast address. Find out RTCP bandwidth will each sender be allocated?
What are some benefits and drawbacks of using social networking?
Design an algorithm that, under the standard set of assumptions (bidirectional links, total reliability, connectivity), determines maximum value in the ring assuming that there is a unique initiator.
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.
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?
In Ricart and agrawala's An optimal algorithm for mutual exclusion in computer networks paper if we are updating the code with taking the priorities.
Explain/propose a new/possible idea on how these networks can be kept safe from hacking.
Determine successive values of congestion window in bytes?
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?
Assume that no packet or acknowledgement are dropped. Assume that A sends a packet to C and waits for its acknowledgement to come back from C. How long does it take until A gets that acknowledgement?
It also help business to use the best features of cloud computing like, elastic scalability and outsourcing. what are your toughts on the above statement? Do you agree or disagree?
CMP provides many useful services, yet some organizations block ICMP traffic. Why should an organization block ICMP traffic?
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