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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
Explain Design issues of network operating system
Q. What do you mean by Addressing? Addressing Require to uniquely and universally identify every device to allow global communication Internet address or IP address is us
Explain the cost of a path between two nodes Given a network of nodes linked by bidirectional links, where every link has a cost associated with it in each direction, explain t
Advantages of VPNs Advantages discussed in the following section include those related to security. Consolidation transparency cost. And administration. a. Improved secur
Determine about the Complete and proper security Complete and proper security configuration and administration is indeed a complex issue. One should think carefully about the
What is the different type of networking / internetworking devices? 1. Repeater: Also known as a regenerator, it is an electronic device that operates only at physical layer.
- EIA/ TIA specifies and RJ-45 connector for unshielded twisted-pair (UTP) cable. The letter RJ stand for registered jack and the number 45 refers to a specific wiring sequence.
Q. Show the Traffic profiles? Constant-bit-rate traffic - ADR=PDR No MBS Variable-bit-rate traffic ADR != PDR Small MBS Bursty traffic
will you have this done to day? And how long will this take?
FDDI, Token Ring and Ethernet are all physical layer framing standards.
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