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Need for standards
- Over the past couple of decades several of the networks that were built used different hardware and software implementations therefore they were incompatible and it became difficult for networks using different specifications to communicate with each other.
- To address the problem of networks being incompatible as well as unable to communicate with each other the ISO (International Organisation for Standardisation) researched various network schemes.
- The ISO recognised there was a necessitate to create a NETWORK MODEL that would help vendors create interoperable network implementations
Besides these hardware overheads, there are certain software overheads imposed by libraries, parallel compilers, tools and operating systems. The parallel programming languages
Q. Show the Character-level Encryption? - Substitutional - Monoalphabetic - simplest form; also called Caesar cipher - Every character is replaced with another character
Retransmission of packets The disadvantage of thronging away a correctly received packet is that the subsequent retransmission of the packet might be lost or garbled and
What are the key elements of protocols? The key elements of protocols are a. Syntax It refers to the structure or format of the data that is the order in which they a
CSMA/CD - A Simple Definition A network station wishing to broadcast will first check the cable plant to make sure that no other station is currently transmit
There are various computational models for representing the parallel computers. In this part, we discuss various models. These models would give a platform for the designing as wel
Explain the uses of Firewall in computer For Intranet developers, restricting access of unauthorised users to the Web site has been the greatest challenge. In addition to preve
FORMAT OF HARDWARE ADDRESS: It have of a numeric value and its size is chosen for specific network technology. The length of the message format is one to six bytes.
What is D-AMPS D-AMPS uses 832 channels (in every direction) with three users sharing a sole channel. This allows D-AMPS to support up to the 2496 users simultaneously per cel
What are the Call routers Call routers A, B, C, D, and E. There are ten potential lines: AB, AC, AD, AE, BC, BD, BE, CD, CE, and DE. Each of these lines has four possibilities
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