A newly hired employee will work from home and needs to use an internal customer-relationship management (CRM) web application that is reachable only from inside the corporate network. Which of the following actions should the IT technician perform FIRST on the employee's laptop so the user can reach the CRM?
Install a third-party browser extension that supports legacy TLS cipher suites.
Update the laptop's antivirus signatures and run a full system scan.
Establish a VPN connection to the corporate network using company-issued credentials.
Change the local firewall profile from Public to Private and open port 80 inbound.
Because the CRM is hosted on the company's intranet, the laptop must first be logically attached to that network. Establishing a corporate VPN tunnel authenticates the user and routes traffic to internal resources. Changing local firewall settings, adding browser extensions, or updating antivirus software does not create the required network path and therefore will not allow the user to reach the CRM.
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What is a VPN and why is it needed to access a corporate network?
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How does a VPN authenticate a user connecting to the corporate network?
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Why are local firewall settings and browser extensions not suitable in this scenario?