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Exam PT0-003 Topic 1 Question 127 Discussion

Actual exam question for CompTIA's PT0-003 exam
Question #: 127
Topic #: 1
A penetration tester needs to confirm the version number of a client ' s web application server. Which of the following techniques should the penetration tester use?

Suggested Answer: C Vote an answer

Banner grabbing is a technique used to obtain information about a network service, including its version number, by connecting to the service and reading the response.
Understanding Banner Grabbing:
Purpose: Identify the software version running on a service by reading the initial response banner.
Methods: Can be performed manually using tools like Telnet or automatically using tools like Nmap.
Manual Banner Grabbing:
Step-by-Step Explanationtelnet target_ip 80
Netcat: Another tool for banner grabbing.
nc target_ip 80
Automated Banner Grabbing:
Nmap: Use Nmap's version detection feature to grab banners.
nmap -sV target_ip
Benefits:
Information Disclosure: Quickly identify the version and sometimes configuration details of the service.
Targeted Exploits: Helps in selecting appropriate exploits based on the identified version.
References from Pentesting Literature:
Banner grabbing is a fundamental technique in reconnaissance, discussed in various penetration testing guides.
HTB write-ups often include banner grabbing as a step in identifying the version of services.
References:
Penetration Testing - A Hands-on Introduction to Hacking
HTB Official Writeups
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by Stan at Aug 25, 2026, 03:40 AM

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Here are all the actual test exam dumps for IT exams. Most people prepare for the actual exams with our test dumps to pass their exams. So it's critical to choose and actual test pdf to succeed.

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