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?

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?

Accepted Answer

C. DNS If a computer obtains its IP address via DHCP but cannot browse websites, it often means it hasn't received or isn't using a valid DNS server address. Without a functioning DNS server, the computer cannot resolve human-readable domain names (like google.com) into numerical IP addresses, leading to 'This site cannot be reached' errors.

Answer

A. HTTPS HTTPS is a protocol for secure communication over a computer network and its failure typically results in certificate warnings or connection resets, not 'site cannot be reached' due to fundamental name resolution issues.

Answer

B. VLAN VLANs segment networks at layer 2; while incorrect VLAN configuration can prevent network access, the problem description points more directly to name resolution failures after a DHCP change rather than a segment issue.

Answer

D. SMTP SMTP is a protocol for sending email and has no direct bearing on web browsing connectivity or resolving website names.

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…

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