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CompTIA Network+ N10-009 Practice Question

Which technology allows a secure connection to be established over a public network by encrypting all data that is transmitted?

Load balancer
Firewall
Virtual private network (VPN)
Network-attached storage (NAS)

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Answer Description

A VPN creates a secure network connection over a public network by using encryption and other security mechanisms to ensure that only authorized users can access the network and that the data cannot be intercepted. This makes it an ideal answer as other mentioned technologies like Network Attached Storage (NAS) and firewalls serve different primary purposes. NAS is primarily used for storage solutions, and while firewalls are indeed for security purposes, they don't create tunnels or encrypt data traffic across networks.

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CompTIA Network+ N10-009

Networking Concepts

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Networking Concepts

Network Implementation

Network Operations

Network Security

Network Troubleshooting

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