COMPUTER FUNDAMENTALS

COMPUTER NETWORKS AND COMMUNICATIONS

NETWORK TOPOLOGIES AND PROTOCOLS

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

Which protocol is used to send data packets across the Internet?

A	TCP/IP
B	SMTP
C	POP3
D	FTP

Explanation:

Detailed explanation-1: -TCP is often called a “connection-oriented” protocol because it ensures the successful delivery of data to the receiving host.

Detailed explanation-2: -TCP/IP stands for Transmission Control Protocol/Internet Protocol and is a suite of communication protocols used to interconnect network devices on the internet. TCP/IP is also used as a communications protocol in a private computer network (an intranet or extranet).

Detailed explanation-3: -The HTTP program layer asks the TCP layer to set up the connection and send the file. The TCP stack divides the file into data packets, numbers them and then forwards them individually to the IP layer for delivery.

Detailed explanation-4: -The Transmission Control Protocol (TCP) is one of the main protocols of the Internet protocol suite. It originated in the initial network implementation in which it complemented the Internet Protocol (IP). Therefore, the entire suite is commonly referred to as TCP/IP.

Detailed explanation-5: -The Transmission Control Protocol (TCP) is a transport protocol that is used on top of IP to ensure reliable transmission of packets.

There is 1 question to complete.