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Q. Explain about Virtual Circuit Switching?
Virtual Circuit Switching
- All packets belong to a message (or) session is preserved.
- Single route is selected between source/destination.
- All packets obtain that route to reach destination.
- It requires a call setup to establish a virtual circuit. (Either permanent or switched type)
- Uses virtual circuit identifier for routing.
Define about the term - hackers Every time technology updates itself, new techniques evolve. At the same time thieves or intruders (in the information technology line, they are
Q. Show the Traffic profiles? Constant-bit-rate traffic - ADR=PDR No MBS Variable-bit-rate traffic ADR != PDR Small MBS Bursty traffic
Routing Information Protocol (RIP) is a distance vector routing protocol that used hop count as its metric. The maximum hop count is 15, 16 hops are considered unreachable. RIP upd
What is Stop-and-Wait Automatic Repeat Request? Error correction in Stop-and-Wait ARQ is implemented by keeping a copy of the sent frame and retransmitting of the frame when th
Wireless Ethernet (802.11) a) Operates on physical plus data link layers b) BSS (Basic service set) stationary or mobile wireless stations and a central base station known a
Q. Single Mode for transmitting optical signals? - Merely one beam from a light source is transmitted using a smaller range of angles - Smaller diameter as well as lower de
Types of VTs There are several option for payload are actually mapped into the VT. Locked mode VTs bypass the pointers with a fixed byte oriented mapping of limited flexi
Describe Network Topology and VPN Network Topology refers to the layout of a computer network. It presents how devices and cables are physically laid out, as well as how they j
explain the appropriateness of economic and behavioral feasibility
Drawback of Repeaters. Repeater has no filtering capability as it forwards every frame. Repeater shell be placed at accurate distance before actual signal becomes
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