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In which of these cases would you be using an encryption technology?

A) You need to make a file writable by you, but read-only for everyone else

B) You need to ensure that all data is removed from a hard drive

C) You want to provide for stateful network access

D) You want to access your office file servers and printers while traveling

E) Just pick up some encryption at the store with some milk and bananas


The answer: D) You want to access your office file servers and printers while traveling

Virtual Private Networking (VPN) allows you to securely connect to your corporate resources using an encrypted tunnel. This method allows you to use your file servers as if you were locally connected, but all of the network communication to your computer is encrypted and secure.

Want to know more? Watch “Security Fundamentals.”

There are fundamental security techniques that every CompTIA A+ certified professional should know. In this video, you’ll learn about encryption technologies, data wiping, authentication technologies, and much more.