CompTIA
220-802 · Question #925
220-802 Question #925: Real Exam Question with Answer & Explanation
The correct answer is D: DNS Service. DNS is the foundational service that resolves server hostnames to IP addresses, making it critical for any domain-joined PC to locate and connect to file, print, and email servers.
Question
When using a PC on a Windows Domain, which of the following is the MOST critical service when connecting to multiple file, print, and email servers?
Options
- AInternet Connection Sharing Service
- BWindows Firewall Service
- CComputer Browser Service
- DDNS Service
Explanation
DNS is the foundational service that resolves server hostnames to IP addresses, making it critical for any domain-joined PC to locate and connect to file, print, and email servers.
Common mistakes.
- A. Internet Connection Sharing allows one PC to share its internet connection with others and is not relevant to resolving internal server names on a domain.
- B. The Windows Firewall Service controls inbound and outbound traffic filtering but does not resolve server hostnames or enable discovery of domain resources.
- C. The Computer Browser Service maintains a legacy NetBIOS browse list of network computers but is not the primary or most critical service for connecting to named servers in a modern domain environment.
Concept tested. DNS role in Windows domain resource access
Reference. https://learn.microsoft.com/en-us/windows-server/networking/dns/dns-top
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