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Explain the different symmetric algorithms?
What is Protocol Data Unit? The data unit in the LLC level is known as the protocol data unit (PDU). The PDU having of four fields a destination service access point (DSAP), a
Three layers are called upper layers a) Application Layer - 7 b) Presentation Layer - 6 c) Session Layer - 5
Q. Show the Need for Network Layer? Need for Network Layer - To solve the problem of delivery of data through several links. - Accountable for Host to Host delivery
Control Frame: solicit_successor Periodically ask for any station to link by sending solicit_successor Token with sender's addr and successor's addr wait 2 (as in
Physical layers defines with synchronizing the 1s and 0s on the wire.
Q. TCP-IP and OSI Differences - TCP/IP combines the Presentation and Application Layers - TCP/IP combines the OSI Data Link and Physical Layers into 1 Layer - TCP/IP app
what are queues?
What's the difference among distance vector and link-state protocol?
Other than performance issues, there could be security reasons for using something like xinetd. Make simple design in which a new version of xinetd gives a layer of security.
Wideband Digital Cross Connects A SONET cross connect accepts various optical carries rates accesses the STS signals and switches at this level . it is idally used at
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