COMPUTER NETWORKING

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INTRODUCTION

PROTOCOL LAYERING

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
An important protocol in the internet protocol suite that enables two hosts to establish a connection and exchange data.
A
Internet Protocol (IP)
B
Domain Name System (DNS)
C
Transmission Control Protocol (TCP)
D
User Datagram Protocol (UDP)
Explanation: 

Detailed explanation-1: -Transmission Control Protocol (TCP) is a standard that defines how to establish and maintain a network conversation by which applications can exchange data. TCP works with the Internet Protocol (IP), which defines how computers send packets of data to each other.

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: -TCP uses a three-way handshake to establish a reliable connection. The connection is full duplex, and both sides synchronize (SYN) and acknowledge (ACK) each other. The exchange of these four flags is performed in three steps-SYN, SYN-ACK, and ACK-as shown in Figure 3.8.

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