Which feature enables a user to undo changes to the operating system back to a previous date?

An organization wishes to provide better security for its name resolution services. Which of the following technologies BEST supports the deployment of DNSSEC at the organization?

A. LDAP B. TPM C. TLS D. SSL E. PKI

If you need to provide a storage server with fault tolerance through the use of multiple paths between the server and the actual storage, what feature should you install?

A. Data Deduplication B. Data center bridging C. DCB Exchange D. Multipath IO