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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.

Scripting languages are designed for automating tasks by writing scripts that can execute a series of commands. They are typically easier to write and understand compared to compiled languages and are widely used for automating repetitive tasks, making them the best option for task automation.

When a user's cursor is moving on its own and unauthorized data transfer is occurring, the first step a technician should take is to Quarantine the workstation. This involves isolating the affected system from the network to prevent the spread of malware or unauthorized access to other parts of the network. Quarantining helps in containing the threat and provides a safe environment to investigate and remediate the issue without risking further contamination or data loss​​.

Time Machine is a backup feature available in macOS that automatically makes hourly backups for the past 24 hours, daily backups for the past month, and weekly backups for all previous months to an external drive or NAS. It allows users to recover the entire system or specific files from any point in time, ensuring access to multiple versions of files. This feature is particularly useful for reverting to earlier versions of a document or recovering a file that has been accidentally deleted or altered. The other options, such as Multiple Desktops, Remote Disc, and FileVault, do not provide versioning capabilities for file access.