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Mapping between a hardware address and a protocol address is known Address Resolution. A router or host uses address resolution when it requires to transmit a packet to another device on the similar physical network. A computer never replace the address of a computer that attaches to a server.
In the diagram below a simple Internet with routers R2 & R1 connecting three physical networks is given each network has two host devices attached.
In the diagram, A resulted protocol address for B for protocol data packet from an application on A transmit to a program on B. A does not find a protocol address for F. Through the Internet layer, A sends to F by routing through R2 and R1. A find R1 hardware address.
Network layer on A passes packet having resultant protocol address F for delivery to R1.
(a) Explain the two possible configuration for 3DES. (b) What is the main disadvantage of 3DES? (c) Why are most modern symmetric algorithm block ciphers? (d) Describe
Problem a) Give three reasons why traditional Network Design approach is less appropriate for many of today's networks? b) The network requires of users are organized into m
SECURITY ANALYSIS Overview • Know yourself: examine, identify, and understand the information and systems which are currently in place • Know the enemy: examine, identify,
Why an organization need the issue specific security policy
IPV6 BASE HEADER FORMAT: It has less information than IPV4 message header. Next header shows to first extension message header. Flow label is partitioned into a TRAFFIC CLASS
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QUESTION (a) Consider the following authentication options A. Using password B. Using pin and fingerprint Which option A or B provides stronger security and why? (b
RING topology all computers are connected in loop. A ring topology is a network topology in which every node connects to exactly two other devices, forming a single continuous pa
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