XK0-006 Troubleshooting Practice Question
A user reports that they cannot reach a website by name, but they can reach it by IP address. Which file should be checked first for possible misconfiguration?
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
✓
/etc/resolv.conf
The /etc/resolv.conf file contains DNS resolver settings. If it is incorrect, name resolution will fail.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
/etc/nsswitch.conf
Why it's wrong here
nsswitch.conf controls the order of name resolution; it's less likely to be the first check.
- ✗
/etc/hosts
Why it's wrong here
/etc/hosts is for static hostname resolution; if the entry is wrong, it could cause issues, but typically DNS is the first check.
- ✓
/etc/resolv.conf
Why this is correct
Correct. DNS resolver configuration.
- ✗
/etc/sysconfig/network
Why it's wrong here
This file contains general network settings, not DNS.
Visual reference
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Related to this question
Learn chapter
File Permissions and Ownership
Key term
User
A user is any person, system, or device that interacts with an IT service, resource, or identity system, typically authenticated through credentials and authorized to perform specific actions.
Key term
DNS
DNS is the system that translates human-friendly domain names like example.com into machine-readable IP addresses so computers can find each other on a network.
About these practice questions
Courseiva writes every XK0-006 question from scratch — 979 in total, each with an explanation and a wrong-answer breakdown. None are copied from real exams or dumps. Learn why practice questions differ from exam dumps →
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.