Which two flags in the TCP header are used in a TCP three-way handshake to establish connectivity between two network devices? (Choose two.)

INTRODUCTION

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

A	ACK
B	FIN
C	PSH
D	SYN
E	URG

Explanation:

Detailed explanation-1: -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.

Detailed explanation-2: -When sending data, any side in the TCP connection may additionally use the PSH and URG flags (which respectively mean “push” and “urgent”). The PSH flags instruct the operating system to send (for the sending side) and receive (for the receiving side) the data immediately.

Detailed explanation-3: -SYN-The synchronization flag is used to establish a three-way handshake between two hosts. Only the first packet from both the sender and receiver should have this flag set.

There is 1 question to complete.

COMPUTER NETWORKING

TRANSPORT LAYER

INTRODUCTION