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Q. Illustrate the Drawbacks of stop and wait?
Drawbacks of stop and wait
- Only one frame is able to be in transit at a time
- After every frame sent the host must wait for an ACK
- Inefficient use of bandwidth
- To enhance efficiency multiple frames is able to be sent before receiving acknowledgement
What is Wireless Application Protocol?
Q. Explain about Horn Antenna? - Outgoing transmissions broadcast by a stem and deflected outward - Received transmissions collect by a scooped part of the horn and deflecte
Define GRE in PPTP?
What do you mean by platform independence? Platform independence means that we can write and compile the java code in one platform (eg Windows) and can implement the class in a
explain types of computer network
a. If a password to a cipher is exactly 8 characters long, and each character can be selected from [0-9], [a-z], and [A-Z], how many different passwords are possible? b. Suppose
What is primary and secondary ring One of the two FDDI rings is known as the primary ring; the other is called the secondary ring. The primary ring is utilized for data tra
When an error is discovered the receiver is able to ask the sender to retransmit the entire data unit Error Correction-Forward Error Correction A receiver is able to u
Types of Redundancy Checks Parity Check Simple Parity Check Two Dimensional Parity Check / Longitudinal Redundancy Check (LRC) CRC (Cyclic Redundancy Check)
What protocol can be applied when you need to transfer files between different platforms, such among UNIX systems and Windows servers? Use FTP (File Transfer Protocol) for file
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