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Q. Explain about Virtual Circuit Switching?
Virtual Circuit Switching
- All packets belong to a message (or) session is preserved.
- Single route is selected between source/destination.
- All packets obtain that route to reach destination.
- It requires a call setup to establish a virtual circuit. (Either permanent or switched type)
- Uses virtual circuit identifier for routing.
Q. Describe about Data Communications? - Data - Information presented in whatsoever form is agreed upon by the parties creating and using the data - Data Communications - ex
Q. Show the Character-level Encryption? - Substitutional - Monoalphabetic - simplest form; also called Caesar cipher - Every character is replaced with another character
Quetion: A photodiode with a dark current of 10 nA has a responsivity of 0.4 A/W at a certain wavelength. What current flows through the photodiode when it is reverse biased an
OSI Model Facts The OSI model classifies and organizes the methods that hosts perform to maintain data for transport across the network. You should be familiar with the OSI m
There are three building blocks of client/server a) The client b) The server and c) Middleware.
Control This field defines 6 different control bits or flags. These bits enable flow control connection establishment and termination connection abortion and the mode
3. Explain how you would pipeline the four following pairs of statements. (4×5 points) a) add $t0, $s0, $s1 beq $s1,$s2, 300 b) add $t2, $t0, $t1 sw $t3, 36($t2) c)
Q. What do you mean by Flow Control? - How much data sender is capable to transmit before receiving the ACK - Why flow control? - Limitation with receiver 1. Processin
Q. Error Detection-Redundancy? In its place of repeating the entire data stream a shorter group of bits may be appended to the end of each unit. Called as -redundancy?
Q Illustrate Unipolar line coding? - Simplest method is inexpensive - Utilizes only one voltage level - Polarity is habitually assigned to binary 1 a 0 is represented by
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