Question

2. Which one of the following is not a protocol
(a) TCP/IP (b)ISP (c) HTTP (d) X.25​

Answer 1

Answer:

a) TCP/IP

Explanation:

SMTP TCP/IP protocol is used for transferring e-mail messages from one machine to another.

Most of the internet systems use SMTP as a method to transfer mail from one user to another. SMTP is a push protocol and is used to send the mail whereas POP (post office protocol) or IMAP (internet message access protocol) are used to retrieve those mails at the receiver's side. SMTP is an application layer protocol.

Answer 2

The correct answer is option B) ISP

TCP/IP:

Message formats and procedures are governed by protocols, which enable data interchange between machines and application programmes. Each computer involved in the communication must abide by these principles in order for the receiving host to comprehend the message.

ISP:

Internet Service Provider, or ISP, is the business that gives you access to the internet. In contrast, IP—which stands for internet protocol—is the more usual phrase used to refer to an internet address.

HTTP:

Hypertext Transfer Protocol (HTTP), an application-layer protocol, is used to transmit hypermedia files like HTML. Although it was created for web browser and web server communication, there are other uses for it as well.

X.25​:

ITU-X.25 T's standard protocol set is used in wide area networks for packet-switched data transfer.

For such more question on protocol:

brainly.in/question/5164426

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