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The correct answer is B.

OBJ-2.4: The penetration tester is attempting to conduct a brute force login attempt of a remote service on 192.168.1.142, as shown by the multiple login attempts with common usernames and passwords. A brute force attack attempts to crack a password or username or find a hidden web page, or find the key used to encrypt a message, using a trial and error approach and hoping, eventually, to guess correctly. Port Scanning is the name for the technique used to identify open ports and services available on a network host. A denial-of-service (DoS) attack occurs when legitimate users cannot access information systems, devices, or other network resources due to a malicious cyber threat actor’s actions. A ping sweep is a basic network scanning technique used to determine which range of IP addresses map to live hosts.

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