Q. What are ports 0–1023 commonly known as in the context of port scanning?

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Q. How is service identification typically done in active reconnaissance?

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Q. What is the purpose of operating system fingerprinting in reconnaissance?

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Q. How is operating system fingerprinting typically done?

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Q. What is Nmap commonly used for in information-gathering scenarios?

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Q. What capability does Nmap provide in addition to port scanning?

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Q. Which Nmap flag is commonly used to conduct a fast scan through most firewalls and sends only a SYN?

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Q. What is the purpose of the -sU flag in Nmap?

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Q. How does the -sA flag in Nmap differ from other scan techniques?

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Q. What does the -T0 to -T5 flags in Nmap impact?

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Q. What does the -Pn flag in Nmap do?

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Q. What is the purpose of the -IL flag in Nmap?

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Q. Which flag in Nmap is used for service version detection?

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Q. What is the default speed setting for Nmap scans?

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Q. Which flag in Nmap is used for OS detection?

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Q. What is the purpose of the -oA flag in Nmap?

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Q. What additional information does Zenmap, the official graphical user interface for Nmap, provide?

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Q. What does the -sT flag indicate in the Nmap command line "nmap -sT -sV -Pn -p 1-65435 -T2 -oA scanme scanme.nmap.org"?

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Q. What does the -sV flag indicate in the Nmap command line "nmap -sT -sV -Pn -p 1-65435 -T2 -oA scanme scanme.nmap.org"?

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Q. What is the purpose of the -Pn flag in the Nmap command line "nmap -sT -sV -Pn -p 1-65435 -T2 -oA scanme scanme.nmap.org"?

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