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Explain Bus Topology.
The physical Bus topology is the easiest and most widely used of the network designs. It having of one continuous length of cable (trunk) and a terminating resistor (terminator) at each end. Data communication message travels with the bus in both directions until it is picked up by a workstation or server NIC. If the message is missed or not recognized, it reaches the end of the cabling and dissipates at the terminator.
Switch Generally called as two layer switch . it performs on physical and data link layers. It is a bridge it has many ports that allow better performance. Since
Source to Destination Data Transfer - Datagram approach - Each packet is treated independently. - Every pkt will take its own path to reach the destination. - There i
Can you describe screened subnet architecture?
Assume the following 64-bit DES key (expressed in hexadecimal): FEFE FEFE FEFE FEFE (a) What is the term for such a key? (b) State the value of each of the 48-bit round keys
Factor Causing Parallel Overheads Figure clearly explains that the performance metrics are not able to achieve a linear curve in comparison to the enhance in number of process
What are the important topologies for networks? BUS topology: In this every computer is directly linked to primary network cable in a single line. Advantages: Inexpensive,
Large data packets result in fewer load because a smaller part of the packet is used for header information. Optimum networks use 4kB data packets or larger. Large data packets
Q. Presentation layer of osi reference model? - The presentation layer makes sure that the information that the application layer of one system sends out is readable by the app
Sole Access Protocol The atomic operations, which have conflicts, are handled using sole access protocol. The process used for synchronization in this protocol is given below:
QUESTION a) National regulations require the availability of the following services for all IP to PSTN, PSTN to IP, and IP to IP calls. Name any three types of these features
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