MCQ IN COMPUTER SCIENCE & ENGINEERING

Detailed explanation-1: -"Datagram” is a segment of data sent over a packet-switched network. A datagram contains enough information to be routed from its source to its destination.

Detailed explanation-2: -Packets are transmitted over a network from one computer to another. They are routed through a series of interconnected devices, such as routers and switches, before reaching their final destination. When packets arrive at their destination, they are reassembled into the original data.

Detailed explanation-3: -A network packet has three parts: the packet header, payload and trailer. The size and structure of a network packet are dependent on the underlying network structure or protocol used. Conceptually, a network packet is like a postal package.

Detailed explanation-4: -Ethernet provides a basic facility to transmit a packet between two computers connected by the ethernet cable.

Detailed explanation-5: -In computer networks, the media is usually a type of cable, or a wireless transmission. A transmitter is used by the message source to place data onto a transmission media. A receiver is used by the message destination to recover data from the transmission media.