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Q. Describe about Cryptography?
- Some media cannot be protected from unauthorized reception (or interception)
- Encryption involves transforming the original information into an unintelligible form
- Decryption is the process of reversing the encryption process in order to transform the message back into its original form
- Plaintext - original message
- Ciphertext - encrypted form
What is a Link? A link refers to the connectivity among two devices. It contains the type of cables and protocols used in order for single device to be able to communicate with
Transmission Control Protocol - TCP is a connection oriented transport layer protocol with built unreliability. It considers a large block of data and breaks it down into segments
Explain the importance of authentication. Authentication is the method of verifying a user's credentials before he can log into the network. It is normally performed using a us
Network Laye The network layer provides communication between the multiple networks. Whereas the data link layer provides the communication between two systems on the s
DNS Records and Messages Two types of records are used DNS. The question records are used in the question section of the query and response messages. The resource reco
Q. Unshielded Twisted Pair - transmission media? - A most common kind suitable for both voice and data transmission - Categories are determined by chain quality - Cat 3 c
Can you explain LAC and LNS?
Q. Common syntax of OpenMP? Every OpenMP directive begins with #pragma omp. The common syntax is #pragma omp directive-name [Set of clauses] where omp is an OpenMP key
What is an Ethernet? The Ethernet topology was developed at the University of Hawaii to connect computers on the many Islands. It was radio based design. Later, Robert Metacalf
Load the Router with the Supplied Scripts Enable ! config term ! hostname Router1 ! enable secret class ! no ip domain-lookup ! interface FastEth
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