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Q. Explain Stop--and--Wait automatic repeat request?
1. Numbering frames prevents the retaining off duplicate frames.
2. Numbered acknowledgement are needed in case of delayed ACK and next frame lost.
data network design with live examples
When you move the NIC cards from one PC to another PC, does the MAC address gets transferred as well? Yes, that's because MAC addresses are hard-wired into the NIC circuitry, n
What utility can you use to see the path a packet takes through an internetwork? Ans) Trace - Uses Time-To-Live (TTL) values to make messages from each router used along the pat
the equation x3-6x+9x-5=0
DISTANCE-VECTOR ROUTING: It is easy to implement. Packet switch modifies its own routing table first. It is used in RIP. LINK-STATE ALGORITHM: It is ve
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
Q. What are the main categories based on which applications of computer network will be categorized? Ans: The main areas under which the applications for computer network will
Question: a) In relation to network design, give two reasons why the building-block approach is favoured to the traditional approach. b) Explain the following steps in rela
In OSI 7 layer model, a header, or possibly a trailer, can be added to the data unit at each layerI 7 layer, but we will define a simple virtual packet which contains only 8bit dat
Application Layer The application layer provides an interface between application entities and the users computer. This layer offers services to a variety of aspects of d
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