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What needs should a VPN fulfill?
Question 1: a. What is xDSL and enumerate the benefit of such a technology? b. Name some of the typical applications of xDSL and the different types and standards of xDSL.
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
A modified NRZ code known as enhanced-NRZ (E-NRZ) operates on 7-bit words; inverting bits 2,3,6 and 7; and adding one parity bit to each word. The parity bit is chosen to make the
What is the full form of FDM and TDM It is both. Each of the 100 channels is possess its own frequency band (FDM), and on every channel two logical streams are intermixed by th
What is the difference among flow control and error control? Ans) Flow control: adjust and confirm data flow rate for successful transmission. Error Control: a method to
Q. Use of Two-Layer Switch? - Performs at the physical as well as data link layer - A bridge with many ports designed for faster performance - Allocates unique port to ea
What are General Middleware? It contains the communication stacks, authentication services, distributed directories, network time, RPC, Queuing services with the network OS ext
Error Detection-- CRC Powerful error detection system Rather than addition, binary division is utilized A series of redundant bits called "CRC" or else "CRC remai
persistent
TCP creates a reliable data transfer service, in addition to IP''s unreliable best-effort service. Study the related sections of the text, and in your own words, summarize how TCP
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