What is “data packet” in networking?
a) A unit of data transmitted over a network
b) A tool for encrypting data
c) A device for routing network traffic
d) A type of storage device
Answer:
a) A unit of data transmitted over a network
Explanation:
A data packet is a small unit of data that is transmitted over a network. When data is sent from one device to another, it is broken down into smaller packets to facilitate transmission across the network.
Each packet contains a portion of the original data, along with metadata such as the source and destination IP addresses. Once all packets arrive at the destination, they are reassembled to reconstruct the original message or file.
Data packets are essential for efficient data transmission over networks, including the internet, where large files or messages need to be broken into smaller, manageable units for transfer.