220-1102 DNS translates hostnames to IP addresses. Practice Question
A technician is supporting a field engineer tablet. The immediate goal is to reach websites by IP address but not hostname. Which tool, control, or procedure is the best fit?
⚠ Common exam trap
Test-takers frequently confuse DNS issues with general network connectivity problems and choose Event Viewer to look for error logs, rather than recognizing that the specific symptom (IP works, hostname fails) directly points to the DNS client configuration and resolver reachability as the immediate diagnostic step.
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
✓
DNS client configuration and resolver reachability
The ability to reach websites by IP address but not hostname indicates a DNS resolution failure. The DNS client configuration and resolver reachability are the correct focus because DNS translates hostnames to IP addresses; if the resolver is unreachable or misconfigured, hostname resolution fails while direct IP access remains functional. This aligns with the immediate goal of troubleshooting the DNS client settings and verifying connectivity to the DNS server.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Local Users and Groups
Why it's wrong here
Local Users and Groups is a management console for controlling user accounts, group memberships, and permissions on a Windows system. While it can affect access to the tablet and its resources, it has no bearing on network name resolution or DNS client settings. Therefore, it does not address the immediate goal of ensuring DNS configuration and resolver reachability for the field engineer's connectivity.
- ✓
DNS client configuration and resolver reachability
Why this is correct
DNS client configuration determines how the tablet resolves hostnames to IP addresses, including the address of DNS servers and the suffix search order. Verifying resolver reachability ensures the tablet can actually communicate with those DNS servers, which is a direct prerequisite for successful name resolution. This is the immediate step to troubleshoot connectivity issues on a networked tablet, as DNS failures often manifest as 'can't reach the internet' or resource lookup errors.
- ✗
System Restore
Why it's wrong here
System Restore rolls back the system to a previous state using restore points, affecting system files, registry settings, and installed applications. It is a recovery mechanism for reverting harmful changes, not a diagnostic or configuration tool for DNS client parameters. In the context of supporting a field engineer's tablet, it is too broad and does not directly address or verify DNS resolution and server reachability.
- ✗
Event Viewer
Why it's wrong here
Event Viewer aggregates Windows event logs for system, security, and application messages, helping to identify root causes of previous errors. However, it is a passive observation tool rather than an active configuration or testing utility, and it does not provide a mechanism to configure DNS client settings or test resolver reachability. While it might show DNS-related errors, it is not the primary tool for the immediate teambuilding task of establishing or verifying DNS connectivity.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 220-1102 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 220-1102 exam.