CompTIA
PT0-001 · Question #247
PT0-001 Question #247: Real Exam Question with Answer & Explanation
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Attacks and exploits
Question
A penetration tester is attempting to open a socket in a bash script but receives errors when running it. The current state of the relevant line in the script is as follows: Which of the following lines of code would correct the issue upon substitution?
Options
- Aopen 0<>/dev/tcp/${HOST}:${PORT}
- Bexec 0</dev/tcp/${HOST}/${PORT}
- Cexec 0</dev/tcp/$[HOST]:$[PORT]
- Dexec 3<>/dev/tcp/${HOST}/${PORT}
- Eopen 3</dev/tcp/${HOST}/${PORT}
- Fopen 3</dev/tcp/$[HOST]/$[PORT]
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Topics
#bash scripting#TCP socket#/dev/tcp#reverse shell