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What do mean by tunnel mode?
This is a mode of data exchange wherein two communicating computers do not use IPSec themselves. Instead, the gateway that is linking their LANs to the transit network makes a virtual tunnel that uses the IPSec protocol to secure all communication that passes by it.
Clos network This network was organized by Clos (1953). It is a non-blocking network and gives full connectivity like crossbar network but it also requires significantly minim
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
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
The major problems with multiple networks are as given: A computer attached to a given server can only interact with other computers attached to the similar network.
Plot way forms for the following modulation schemes using Mathlab: a) 2 ASK 4 ASK b) BFSK 4 FSK c) BPSK 4
Question: (a) What do you meant by the term ‘LAN'? How is a LAN different from a WAN? (b) Explain three types of cables which are commonly used with LANs. (c) Three com
Can you define IKE phases?
What is DHCP? DHCP is short for Dynamic Host Configuration Protocol. Its major task is to automatically assign an IP address to devices across the network. It first checks for
What are the advantages of bus topology? The benefit of physical bus topology is: a. It uses established standards and it is relatively simple to install. b. It needs les
Q. Describe Flow and Error Control Mechanisms? Flow and Error Control Mechanisms - Stop and Wait ARQ - Go-Back ARQ - Selective Repeat ARQ
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