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Question:
(a) With the help of a diagram, describe a typical DNS system.
(b) Using signal sequence or state transition diagrams, illustrate the following scenarios:
i. TCP connection set-up ii. Cumulative Acknowledgement (Given that Seq = 152, Data=8 bytes and 16 bytes) iii. Termination of a connection
(c) Describe the mechanism that is used to perform flow control in TCP.
(d) State the 3 major entities that consists the Electronic Mail system.
(e) For the network below (link costs shown), use the Link State algorithm (Dijkstra) to calculate the least cost route from C to all other nodes.
Password Authentication Protocols (PAP) PAP implements the traditional username and password authentication methods. At the request from an authenticator the client respon
In Novell's use of RIP, there are two metrics used to make routing decisions. What are they? Ans) A. Ticks. B. Hops
Can you define what is interior and exterior routing protocols?
Why it is necessary to have layering in a network? A computer network is a very complex system. It becomes very difficult to execute as a single entity. The layered approach di
Q. Describe about Domain Name Space ? - Structure for systematize the name space in which names are defined in an inverted-tree structure with the root at the top - Every l
Advantage of guided media
1. A computer system has a two-level memory cache hierarchy. The L1 cache has a zero hit penalty, a miss penalty of 5 ns and a hit rate of 95 percent. The L2 cache has a miss pena
What are the popular topologies other than basic Topologies? Apart from basic topologies some other topologies worth considering are: mesh topology (each device linked to all o
A statistical encoding algorithm is being considered for the transmission of a large number of long text files over a public network. Part of the file content is as follows: DOD
a. If a password to a cipher is exactly 8 characters long, and each character can be selected from [0-9], [a-z], and [A-Z], how many different passwords are possible? b. Suppose
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