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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.
To model a WAN, we need a graph in which the nodes model switches and the edges model direct join between switches. The modeling saves essence of network, and it ignores attached d
Explain the disadvantages of symmetric algorithms?
Q. Explain about Traffic shaping ? Traffic shaping -Method to control the amount and the rate of the traffic sent to the network.? Leaky bucket Token bucket -
Q. What are the benefits of layered network? Ans: Basic benefits of layered network are given below: - Complex systems will be broken down into understandable subsystems.
Threats to information can include Deletion of a file or files. Corruption, caused either by hardware problems or by a bug in the software. Theft of company data
Q. Explain Full Duplex data transmission? - Have two separate Communication channels as well as use each one for simplex Data traffic (in different directions). - If this is
The Data link layer performs the following: Responsible for physically passing data from single node to another. Translates messages from the upper layers into data frames and adds
FIBER MODEMS: LAN methods are discovered to perform within the same building. However most institutions have offices located far apart from one other. DISTANCE LIMITATION A
Advantages There are times when using packet filters makes sense. If the connections require high throughput or the protocols has proprietary technology that makes it
Q. What is Session Layer in osi model? Session Layer : Allows two applications to establish, utilize and disconnect a connection between them known as a session. Gives for na
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