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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
State the process of calculate the drift rate A drift rate of 10 -9 means 1 second in 109 seconds or 1 nsec every second. At OC-1 speed, say 50 Mbps for simplicity, a bit las
What is a Multiplexor
Initialization Imagine that all routers in our sample internetwork comes up at the same time. Each router sends a greeting packet to its neighbours to find out the sta
The performance of interconnection networks is calculated on the given parameters. Bandwidth: It is a calculated of maximum transmit rate among two nodes. It is calculated i
Floating Point Representation in Memory 1. Describe the various ways of floating point representation in memory. What is the importance of normalizing the mantissa in this rep
What are the features of star and ring topology The three networks have following features: star: best case is = 2, average case is = 2, worst case is = 2 ring: best case
What is TDM? TDM is a digital process that can be applied when the data rate capacity of the transmission medium is greater than the data rate needed by the sending and receivi
Question 1: a. What is xDSL and enumerate the benefit of such a technology? b. Name some of the typical applications of xDSL and the different types and standards of xDSL.
how to connect two pc in lan?
Encryption Authentication One common technique used to encrypt and authenticate in VPNs is IP security. IP sec is a collection of protocols designed by the IETF( Internet En
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