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Three layers are called upper layers
a) Application Layer - 7
b) Presentation Layer - 6
c) Session Layer - 5
Coaxial Applications & Performance - Analog plus digital phone networks - Cable TV networks - Traditional Ethernet LANs - Power line and Home Networks-phone line -
Explain Network Services Network services are the thing that a network can do. The main networking services are File Services: This contains file transfer, storage, data m
Demarcation is the point in which responsibility changes hands.
Explain about star topology This topology, obviously, needs a great deal of cabling. This design gives an excellent platform for reconfiguration and trouble-shooting. Changes t
Large data packets result in fewer load because a smaller part of the packet is used for header information. Optimum networks use 4kB data packets or larger. Large data packets
Q. Explain the Communication Channel Threats? Secrecy Threat - Secrecy is the avoidance of unauthorized information disclosure - Privacy is the guard of individua
Explain the Acknowledged connectionless service This is a cross between the previous two services. It provides that datagrams are to be acknowledged, but no prior logical conne
Deadlock Avoidance To avoid deadlocks two types of strategies are used: 1) Static prevention: It uses V and P operators and Semaphores to allocate and deallocate shared res
Can you define IKE (Internet Key Exchange)?
Question: a) In route-optimized communication, a mobile node sends packets to a correspondent using the home address present in the destination option. Why does the design use
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