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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.
Non-Blocking and Blocking network In Non-blocking networks, route from a free input node to another free output node can forever be provided. Crossbar is an illustration of non
Name some common or popular databases Many of the popular databases also provide support of and to the middleware and consequently, the term middleware has become lesser known.
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
Q. Why we use numbering frames? Why numbering frames? Stop--and-wait ARQ, 1. Numbering Frames prevents the retaining of duplicate frames.. 2. Numbered acknowled
MOSPF MOSPF is multicast extension to OSPF. This protocol is extension of OSPF which is a unicast routing protocol which make MOSPF a combination of unicast and multicast prot
FIBER OPTIC EXTENSION: The LAN extension using fiber optic is given in the figure below: Figure The fiber-modem translates digital data into pulses of light the
A socket is an abstraction that shows an endpoint of communication. Most applications that consciously use TCP and UDP do so by making a socket of the appropriate type and then per
Electronic Cheques Another mechanism for Internet payment is electronic cheques. With electronic cheques, the payer (either an individual consumer or a business) instructs his
Dijkstra Algorithms To calculate its routing table each router applies an algorithm called the dijkstra algorithm to its state database. The dijkstra algorithm calculate
Session layer examples are Netbios Names, SQL, NFS, X Windows, and RPC
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