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Q. What is Authentication ?
- Verification of sender's identity.
- Accomplished through a digital signature, which is based on public key encryption/decryption.
- Uses reciprocity of RSA, however secret key is kept by the sender to -sign? the transmission.
In point-to-point message passing, single process sends/receives message to/from another process. There are four communication modes for sending a message: i) Buffered mode
Q. Explain the diffrent types of Security Attacks? Types of Security Attacks Passive Threats: - Traffic Analysis and - Release of Message Contents Active
wan notes
802.11 Architecture ESS (Extended service set) two or more BSSs with APs connected through a distribution system (wired LAN) in an infrastructure network
Thus now you know how packets travel from one computer to another computer over the Internet. however what's in-between? What in fact makes up the Internet infrastructure or backbo
IGRP uses flash updates, poison reverse updates, hold down times, and divide horizon. How often does it broadcast its routing table updates? Ans) 90 seconds
Recognize the mode reflected by the following prompt 'Router '? Ans) RXBoot
Twisted Pair Cable Twisted pair cable consists of two insulated copper wires each about 1 mm thick arranged in a regular spiral pattern. The wires are twisted together
Q. Show the Refraction and Reflection in Fiber-optic cable ? - Refraction often takes place when light bends as it passes from one medium to another less dense medium - Wh
importance of mail server ,proxy server ,modem ,intranet and web site
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