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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.
Question: (a) What is the use of digital certificate? (b) What is meant by a hierarchical trust model in a Public Key Infrastructure? How does the Pretty Good Privacy (PG
crack the secret message and explain how the code works. The clue is that it has something to do with the computer keyboard. J-Q-H-6 Q-E-F-Q-H-D-3-W 8-H 5-Y-3 7-W-3 9-R--D-9-J
FRAME FORMAT AND ERROR DETECTION The changed frame format also adds CRC. If there is an error happened in frame, then it typically causes receiver to removed frame. The frame
CRC in matlab
Describe the salient features of the multimedia. Also explain the applications of it. Multimedia can be understood as follows: Multimedia is on the whole a media which makes
IPV6 DATAGRAM FORMAT It is given in the figure below:
Write down short notes on the architecture of WWW which is World Wide Web. WWW which means The World Wide web or the web is a repository of information spread worldwide and rel
QUESTION There are generally five factors that will influence how you respond to computer security incidents- The effect the incident has on your business Legal issue
Protocols for Secure Communications Securing Internet Communication by using S-HTTP and SSL Secure Socket Layer (SSL) protocol is a protocol that uses public key encryption t
define cryptography
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