Which of the following are transport layer protocols used in networking?
Correct answer: C. TCP and UDP
- A. TCP and FTP
- B. UDP and HTTP
- C. TCP and UDP
- D. HTTP and FTP
Explanation
These are both transport layer protocols that provide a communication service between applications running on different devices on a network.TCP (Transmission Control Protocol) is a connection-oriented protocol that establishes a reliable connection between two devices before data transmission begins. It guarantees in-order delivery of data packets and error checking. TCP is suitable for applications that require reliable data transfer, such as file transfers and email.UDP (User Datagram Protocol) is a connectionless protocol that transmits data packets without establishing a connection beforehand. UDP is faster than TCP but does not guarantee reliable delivery or in-order sequencing. UDP is suitable for applications where speed is more critical than reliability, such as online gaming and video streaming.
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Networking covers LAN, MAN, WAN and wireless networks, network topologies, transmission media, devices such as switches, routers and modems, and the OSI and TCP/IP models. Internet concepts include IP addresses, DNS, URLs, web browsers, email, protocols such as HTTP, HTTPS, FTP and SMTP, and basic network security.
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