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What is a DNS resource record? A resource record is an entry in a name server's database. There are various types of resource records used, containing name-to-address resolutio
What common software problems can lead to network defects? Software related problems can be any or a combination of the following: - Client server problems - Application
When an error is discovered the receiver is able to ask the sender to retransmit the entire data unit Error Correction-Forward Error Correction A receiver is able to u
Which of the following protocols are used for logical network addressing? Ans) Internet Protocol - IP gives routing and a one interface to the upper layers. No upper layer proto
Q. Explain about line coding? Line Coding Procedure of converting binary data to a digital signal DC Components Residual dc (direct-current) components or
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
Distributed systems are composed of a number of physically separate machines connected by one or more communication links. Unlike parallel systems, there's no shared clock or memor
Recognize the two items that TCP and UDP share in common? Ans) TCP and UPD are both layer 4 Transport protocols and both use port number to recognize upper level applications.
Process Switching It applies the brute force method to switch packets wih consumption of large amount of CPU time List of items are needed when switching packets Routing
Selective Repeat ARQ - Processing at the receiver additionally complex - The window size is reduced to 2(m-1) (2m/2 at most) - Both the transmitter as well as the receiv
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