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Why Routine security audits are essential
It is essential that regular security audits are conducted to find out physically which computer is connected and permits access to which networks. Also, the profiles, browser permissions, certification, passwords, location of the computer in the network layout plan, firewall configuration, etc. for each computer and user on the Intranet has tobe carefully studied during the audits. There are a number of other issues that cannot be dealt with directly such as integrity of the persons within the organisation. It is essential that they be requested to fill up a questionnaire or they are interviewed briefly about the security measures using indirect questions.
Multicast Routing Protocols Multicast group addresses are assigned by IANA [Internet Assigned Numbers Authority for well known services and protocols. Information is exchang
What do you mean by Protocol? In the context of data networking, a protocol is a formal set of rules and conventions that governs how computers exchange information over a netw
MPI parallel programs are written with conventional languages like, C and Fortran .One or more header files such as "mpi.h" may be needed to give the necessary definitions and dec
Q. Explain the Public-Key Cryptography? Public-Key Cryptography - Each user has the same encryption algorithm and key - Decryption algorithm also key are kept secret
DLCI- Data Link Connection Identifier. A frame-relay service provider usually assigns DLCI values that are used by frame-relay to distinguish among different virtual circuits on th
Selective Repeat ARQ - Processing at the receiver additionally complex - The window size is reduced to 2(m-1) (2m/2 at most) - Both the transmitter as well as the receiv
Question : a) Give three examples of vulnerable services which are among the overwhelming majority of successful attacks. b) Name the five outside sources which can be the
IEEE 802.3 frame format
Q. Explain about Bandwidth – delay product? Bandwidth - delay product - A measure of competence of ARQ system = bandwidth (bits per second) * round-trip delay (in seco
CSMA/CD - A Simple Definition A network station wishing to broadcast will first check the cable plant to make sure that no other station is currently transmit
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