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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?
Correct Answer: C
The error "This site cannot be reached" often indicates a problem with DNS (Domain Name System) resolution, where the browser is unable to translate a website's domain name into its corresponding IP address. Since the laptop was set to use DHCP (Dynamic Host Configuration Protocol) at home, it's possible that it's not receiving the correct DNS server information from the home network, or the DNS servers it was using at work are not accessible from the home network. * DNS: Checking and possibly correcting the DNS settings to ensure they are appropriate for the home network might resolve the browsing issue. The user can try using public DNS servers like those provided by Google (8.8.8.8 and 8.8.4.4) or Cloudflare (1.1.1.1) if the default DNS servers provided by the home ISP are not working properly. HTTPS (A) is a protocol for secure communication over a computer network but is not something that needs to be configured on the user's end to solve this type of issue. VLAN (B) stands for Virtual Local Area Network and is more related to network segmentation and management within larger networks, not typically applicable to home internet issues. SMTP (D) stands for Simple Mail Transfer Protocol, which is used for sending emails, not for general web browsing issues.