XK0-005 Question #417: Real Exam Question with Answer & Explanation

Question

A Linux administrator reviews a set of log output files and needs to identify files that contain any occurrence of the word denied. All log files containing entries in uppercase or lowercase letters should be included in the list. Which of the following commands should the administrator use to accomplish this task?

Options

• Afind . -type f -print | xrags grep -ln denied
• Bfind . -type f -print | xrags grep -nv denied
• Cfind . -type f -print | xrags grep -wL denied
• Dfind . -type f -print | xrags grep -li denied

Explanation

{"question_number": 7, "explanation": "To find files containing the word 'denied' in either uppercase or lowercase, the correct grep flags are -l (list only filenames with matches, not the matching lines) and -i (case-insensitive matching). The pipeline find . -type f -print | xargs grep -li denied locates all regular files and passes them to grep, which outputs only the filenames of files that contain 'denied' in any case. Option A uses -n which outputs line numbers, not just filenames. Option B uses -v which inverts the match (finds lines NOT containing 'denied'). Option C uses -L which lists files that do NOT contain the pattern - the opposite of what is needed.", "generated_by": "claude-sonnet", "llm_judge_score": 4}

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