220-1202 Question #73: Real Exam Question with Answer & Explanation

Question

A user takes a work-issued laptop home for the first time. When the user attempts to browse any website on the home internet, the user receives the following error: "This site cannot be reached." A technician from work confirms that the static IP that was set up on the machine was changed back to DHCP. Which of the following needs to be corrected?

Options

• AHTTPS
• BVLAN
• CDNS
• DSMTP

Explanation

The error 'This site cannot be reached' after a device's IP changes to DHCP on a home network typically indicates a Domain Name System (DNS) resolution problem.

Common mistakes.

• A. HTTPS is a secure communication protocol; issues with it would cause specific secure sites to fail, not all browsing due to a fundamental inability to reach any site by name.
• B. VLANs segment networks and are typically not present or misconfigured in a way that causes general 'site cannot be reached' errors on a simple home network after a DHCP change.
• D. SMTP is a protocol for sending email and has no direct relation to web browsing or name resolution issues.

Concept tested. Network troubleshooting; DNS resolution

Reference. https://learn.microsoft.com/en-us/windows-server/networking/dns/what-is-dns

No community discussion yet for this question.