Techno Security Inc. recently hired John as a penetration tester. He was tasked with identifying open ports in the target network and determining whether the ports are online and any firewall rule sets are encountered.
John decided to perform a TCP SYN ping scan on the target network.
Which of the following Nmap commands must John use to perform the TCP SYN ping scan?

A. nmap -sn -PO < target IP address >
B. nmap -sn -PS < target IP address >
C. nmap -sn -PA < target IP address >
D. nmap -sn -PP < target IP address >