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Q. What are the Tools sued for Cryptography and Web Security?
Tools - Cryptography
VPN
- remote access
PGP
- email
Dedicated Circuits
-tunnels'
- IPSec
Tools - Web Security
Firewalls
- denial of services vs threats
Remote Access
Human Element
- keeping info in is harder in comparison of keeping people out
Q. Illustrate Keep alive and Time-Waited Timer? Keep alive timer To prevent a long inactive connection between two TCPs - Either client or server crash
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
CHARACTERIZATION OF NETWORKS: There are three kinds of characterization of networks. LOCAL AREA NETWORK (LAN): It is needed for a single building. METROPOLOTAN AREA
PARTS COUNT METHOD This prediction method is applicable at preliminary stages, during bid proposal and early design phases; when insufficient information is available regardin
What is the difference between trigger and rule? Ans) The triggers are known as implicitly by database generated events, whereas stored procedures are known as explicitly by cli
Q. Show Nonreturn to Zero encoding? - Value of signal is for all time positive or negative - NRZ-L Signal level depends on bit represented; positive typically means 0
State about the Cell sectoring With cell sectoring, a cell is separated into a number of wedge-shaped sectors, each with its own set of channels, typically 3 or 6 sectors per c
Explain the term- congestion The average queue size over the last cycle and the current cycle is calculated. This value is the threshold. By averaging over two cycles instead o
10Base-T: Twisted Pair Ethernet Most popular standard simplest to install and reconfigure Star topology LAN utilize UTP cable no need for AUI It supports data rag
Connect a Router and Computer with a Console Cable Step 1 : Set up a basic physical connection. Connect the console (rollover) cable to the console port on the router. Link
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