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Three layers are called upper layers
a) Application Layer - 7
b) Presentation Layer - 6
c) Session Layer - 5
What is the different type of networking / internetworking devices? Repeater: Also called a regenerator, it is an electronic device that operates only at physical layer. I
What is the difference between a hub and a switch? A hub acts as a multiport repeater. Though, as more and more devices connect to it, it would not be able to efficiently manag
Question Which elementary logic gate is equivalent to this circuit? Show your working.
Describe the main factors of switching delay No. The speed of propagation is 200,000 km/sec or 200 meters/µsec. In 10 µsec signal travels 2 km. Therefore, each switch adds equi
How does a Token-Passing Protocol works? The token-passing protocol relies on a control signal known as the token. A token is a 24-bit packet that circulates throughout the net
What utility can you use to see the path a packet takes through an internetwork? Ans) Trace - Uses Time-To-Live (TTL) values to make messages from each router used along the pat
Question: (a) Describe the following biometric techniques:- (i) Retina scan, (ii) Fingerprint, (iii) Iris Scan. Your answer should consider the following: the data storage requ
In the VOIP system, let h be the total number of header bytes added to each chunk, including UDP and IP header. a) Assuming an IP datagram is emitted every 20 msec, find the tr
What are short, long and medium-term scheduling? Long term scheduler verifies which programs are admitted to the system for processing. It controls the degree of multiprogrammi
You should develop a system consisting of an application acting as a broker and several agents that need to communicate between them. The agents can only communicate in pairs (i.e.
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