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what are proxy servers and how do they protect computer networksproxy servers primarily stop external users who identifying the ip addresses of an
what is nic and wannic is short for network interface card this is a peripheral card that is joined to a pc in order to connect to a network each nic
what are different ways of securing a computer networkthere are lots of ways to do this install reliable and updated anti-virus program on all
briefly describe nat and ripnat is network address translation this is a protocol that gives a way for multiple computers on a common network to
describe network topology and vpnnetwork topology refers to the layout of a computer network it presents how devices and cables are physically laid
what is data encapsulationdata encapsulation is the method of breaking down information into smaller manageable chunks before it is transferred
what is subnet maska subnet mask is combined with an ip address in order to recognize two parts the extended network address and the host address
what is anonymous ftpanonymous ftp is a way of granting user access to files in public servers users that are permitted access to data in these
what is point to point linkit refers to a direct connection among two computers on a network a point to point connection does not require any other
what are routersrouters work to connect two or more network segments these are the most intelligent network devices that store information in its
what is a lanlan stands for local area network it refers to the connection among computers and other network devices that are located within a small
what is backbone networka backbone network is a centralized infrastructure that is intended to distribute dissimilar routes and data to various
what is a linka link refers to the connectivity among two devices it contains the type of cables and protocols used in order for single device to be
crack the secret message and explain how the code works the clue is that it has something to do with the computer keyboard j-q-h-6 q-e-f-q-h-d-3-w
you have been tasked with the job of designing the new network layout for r2is new locationr2i has a fractional t1 line that enters the premises at
a transperent switch is inserted between two local area networks abc and xyznetwork abc has workstation 12and 3 and network xyz has workstation 45
hypothetical reliable data transfer protocol a jumping window based go-back-n arq protocol for file transfer using udp as the transport
develop a tcp-based client-server socket program for transferring a large message the message transmitted from the client to server is read from a
illustrate about tinysec protocol tinysec is implemented on the link layer and addresses security requirements of the resource staffed nodes in the
q explain about security aware protocolsthe security-aware ad hoc routing sar protocol based on the security attributes integrated into the ad hoc
innovative nature of triple key management the triple key management scheme provides secure services by combining different techniques whic
q explain the random key distributionthe triple key management mechanisms ensure a better and complete security solution using the random key
q attacks on wireless networkwsn are vulnerable to attacks which compromise the integrity of the wsn nodes by decreasing the nodes fault tolerance
q develop a completely secure wsn based on the triple keywireless network is the most vulnerable type of network to security attack unauthorized
what do you mean by protocolin the context of data networking a protocol is a formal set of rules and conventions that governs how computers exchange