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Lat take the CONNECT (client side), LISTEN, and ACCEPT (server side) socket primitives
a) Why are these three needed for a TCP connection?b) Why are none of them needed for a UDP connection, and what do the UDP client and server require to do instead?
What is packet filter? Packet filter is a standard router up to with some extra functionality. The extra functionality permits every incoming or outgoing packet to be inspected
Identify the 3 major functions at layer 3 of the OSI model Ans) Layer three explains the path, forwards the packet and executes software / logical addressing.
802.11 FHSS Frequency-hopping spread spectrum in a 2.4 GHz band Carrier sends on one frequency for short duration then hops to another frequency for same duration, hops agai
State some Security Models The first and foremost thing one needs to do is to chalk out a security plan and policy based on any security model. The term security policy shall
Q Illustrate Return to Zero encoding? - In NRZ-I long strings of 0s may still be a problem - May comprise synchronization as part of the signal for both 1s and 0s - How?
Why do we require class and how many different parts of class exists?
Q. Explain the Bit-Level Encryption? Bit-Level Encryption - Data is divided into blocks of bits then altered by encoding/decoding, permutation, substitution, exclusive OR
Gives excellent low-level control of parallelism; Portable; Minimal overhead in data distribution and parallel synchronisation; and It is less error prone. Drawb
Multi Tasking Environment Multi tasking exploits parallelism by: 1) Concurrently using the multiple functional units 2) Pipelining functional units are pipe line toget
MAC (media access control) and LLC (logical link control) are both layer 2 protocols.
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