A company is expanding by opening several new branch offices. The IT department needs to provide these remote locations with secure access to corporate resources at the main headquarters. To minimize costs, the company plans to use the public internet for connectivity. Which of the following solutions is BEST suited for this purpose?
A Virtual Private Network (VPN) is the best solution for securely connecting remote branch offices to a corporate network over the public internet. A site-to-site VPN creates an encrypted tunnel between the branch office network and the headquarters network, ensuring data confidentiality and integrity. Multiprotocol Label Switching (MPLS) is a carrier service that provides a private, reliable connection but does not inherently encrypt traffic and is generally more expensive than using a VPN over the internet. A Virtual Local Area Network (VLAN) is used to segment traffic within a local network (LAN) and cannot be used to connect geographically separate locations over the internet. Secure Sockets Layer (SSL) is a protocol used to secure individual application connections (like a web browser session) rather than connecting entire networks.
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