Which is the system call that is responsible for sending of SYN packet

1.	Which is the system call that is responsible for sending of SYN packets?
A.	Bind
B.	Socket
C.	Connect
D.	Listen
Answer» D. Listen

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We have a process that has been allocated 3 page frames and initially none of the pages of the process are available in the memory. The following sequence of page references (reference string) is made by the process : 1, 2, 1, 3, 7, 4, 5, 6, 3, 1If Optimal Page Replacement policy is used,_______ page faults will occur for the above reference string.
We have a process that has been allocated 3 page frames and initially none of the pages of the process are available in the memory. The following sequence of page references (reference string) is made by the process : 1, 2, 1, 3, 7, 4, 5, 6, 3, 1How many page faults will occur for the above reference string with the Least Recently Used(LRU) Page Replacement Policy in comparison to an Optimal Page Replacement policy?
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Which is the system call that is responsible for sending of SYN packets?

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