Which of the following is false regarding flags in TCP header?

Which of the following is false regarding flags in TCP header?

 

PSH flag is used to terminate the connection.

 

If SYN = 1 and ACK = 1, then it is acknowledgement.

 

URG flag is used to give acknowledgement immediately.

 

 None of the above.

 

The correct answer says option (d).

But I think it should be (a)

2Comments
Sumit Verma @sumitkgp
21 Jun 2017 11:45 am

Yeah, answer will be  option (a).

Hradesh @hradeshpatel
26 Dec 2017 12:49 pm

option A is correct .plz correct it.