XK0-006 Troubleshooting Practice Question
An administrator needs to verify DNS resolution for a web server. Which TWO commands can be used to query DNS A records for a given hostname? (Choose two.)
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
nslookup
dig and nslookup are standard DNS query tools. host is another option but not listed. curl uses HTTP, not direct DNS. ping uses DNS but does not show the record.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
traceroute
Why it's wrong here
traceroute traces network path, not DNS.
- ✓
nslookup
Why this is correct
nslookup queries DNS and can return A records.
- ✗
ping
Why it's wrong here
ping resolves hostname but does not show the record.
- ✓
dig
Why this is correct
dig queries DNS servers and returns record types including A.
- ✗
curl -I
Why it's wrong here
curl fetches HTTP headers, not DNS records.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This XK0-006 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the XK0-006 exam.