When writing a network scanning script in Python, which method should be used to try connecting to a remote port without crashing the program if the port is closed?

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A socket.connect()
B socket.bind()
C socket.connect_ex()
D socket.listen()

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Answer: C. socket.connect_ex()

Answer: C) socket.connect_ex()
Explanation: While connect() raises an exception (like ConnectionRefusedError) if a port is closed, connect_ex() handles this gracefully. It returns an error indicator (like 0 for success or specific error codes like 111 for a closed port) instead of throwing an exception, making it perfect for smooth, efficient looping in port scanners.

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When writing a network scanning script in Python, which method should be used to try connecting to a remote port without crashing the program if the port is closed?

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