Which one of the following is a transport layer protocol?

Correct option is C

UDP (User Datagram Protocol) is a transport layer protocol in the OSI and TCP/IP models. It is connectionless and provides a mechanism for sending datagrams without establishing a prior connection, making it suitable for real-time applications like video streaming and online gaming.

Important Key Points:

1. UDP Characteristics:
• Connectionless and fast.
• No error-checking or retransmission.
• Used for real-time and broadcast/multicast communication.
2. Other Protocols:
• RIP: A routing protocol (network layer).
• BOOTP: A protocol for IP address assignment (application layer).
• DHCP: A protocol for dynamic IP configuration (application layer).

Knowledge Booster:

• TCP (Transmission Control Protocol): Another transport layer protocol, which is connection-oriented and ensures reliable data delivery.
• UDP Use Cases: Includes DNS queries, voice-over-IP (VoIP), and streaming services.
• Transport Layer: Handles end-to-end communication, error-checking, and data flow control.