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explain the terms - lan extension and ad hoc networklan extension a wireless lan integrated with a wired lan to extend the coverage area of the lan
determine the level of fibre channel standardthe fibre channel standard is organized into five levelsfc-0 the physical interface and media level
what is use of carrier sense multiple access carrier sense multiple access with collision detection csmacd is a form of medium access control in
what is the meaning of p-persistentif the medium is idle transmit with probability p and delay one time unit with probability 1 - p if the medium is
determine the definition of hdlchdlc has only one address field in a lan any station may transmit to any other station the receiving station needs to
store-and-forward switch the layer 2 switch accepts a frame on an input line buffers it briefly and then routes it to the appropriate output
explain the acknowledged connectionless servicethis is a cross between the previous two services it provides that datagrams are to be acknowledged
what is unacknowledged connectionless servicethis service is a datagram-style service it is a very simple service that does not involve any of the
what is star topologyeach station is directly connected to a common central node typically each station attaches to a central node via two
what is ring topologythe network consists of a set of repeaters joined by point-to-point links in a closed loop each station attaches to the network
determine about the tree topologya generalization of the bus topology the transmission medium is a branching cable with no closed loops the tree
illustrate the working of networking bus topologyall stations attach by appropriate hardware interfacing called as a tap directly to a linear
write the definition of sana san is a separate network to handle storage requirements the san detaches storage tasks from specific servers and makes
determine the term - backend lanbackend networks are used to interconnect large systems like mainframes supercomputers and mass storage devices the
state in brief about the graceful degradationwith fdma or tdma a fixed number of users can concurrently access the system though with cdma as more
explain the multipath resistancethe chipping codes used for cdma not only exhibit low cross-correlation but also low autocorrelation thus a version
what is frequency diversitydue to the transmission is spread out over a larger bandwidth frequency-dependent transmission impairments like as noise
describe the term - stateful impliesthe term stateful implies that the firewall is wakeful and is capable of remembering the state of each session of
what is stateful multi-layer inspection smli they are considered as the third generation of firewall technology and usually combine the facilities of
explain the term - global corporate-wide networkit would be highly interesting to note that more than 70 per cent of all security related problems
determine the working of lan within a corporate networkit should be very clear right from the beginning that a firewall is not simply for protecting
controlling and monitoring access to the intranetdigital certificates provide excellent means of controlling and monitoring access to the intranets
describe the term - certification authoritythe certification is most easily implemented with a custom solution combined with a server called the
determine the computing infrastructureone solution for the protection of the computing infrastructure is to use digital certificate-based solutions
describe the term disaster management as security threatsmaking and testing backups regularly could be the simplest and easiest of all the security