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What is CRC and Checksum
CRC (Cyclic redudancy check)
CRC, is the most powerful of the redundancy checking methods, is based on binary division.
Checksum
Checksum is used by the higher layer protocols (TCP/IP) for error detection
Q Illustrate Return to Zero encoding? - In NRZ-I long strings of 0s may still be a problem - May comprise synchronization as part of the signal for both 1s and 0s - How?
Solve the following CPM/PERT Network Analysis problem: Given the following network and activity time estimates, determine earliest and latest activity times, slack, the expecte
What is Applets Little programs that can make the Web pages more aesthetically beautiful by means of animations, text, and graphics moving across the screen.
use of go back n protocal
Address Resolution Protocol resolves the MAC address if the IP address is known. It is a layer 3 protocol.
What are proxy servers and how do they protect computer networks? Proxy servers primarily stop external users who identifying the IP addresses of an internal network. Without i
Application Layer The application layer is where network applications and their application layer protocols reside. The internet application layer includes many protocols
MPI_Wtime ( ) returns elapsed wall-clock time in seconds as some arbitrary point in past. Elapsed time for program segment is specified by the difference between MPI_Wtime values a
stop and wait arq
Q. Show Coaxial Cable Connectors? - A most common is barrel connector (BNC) - T-connectors are utilized to branch off to secondary cables - Terminators are necessary for
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