GAQM Updated CPEH-001 Exam Questions and Answers by neo

An effective disaster data recovery strategy should consist of producing backup tapes and housing them in an offsite storage facility. This way the data isn’t compromised if a natural disaster affects the business’ office. It is highly recommended that the backup tapes be handled properly and stored in a secure, climate controlled facility. This provides peace of mind, and gives the business almost immediate stability after a disaster.

References: http://www.entrustrm.com/blog/1132/why-is-offsite-tape-storage-the-best-disaster-recovery-strategy

Public-key algorithms are fundamental security ingredients in cryptosystems, applications and protocols. They underpin various Internet standards, such as Secure Sockets Layer (SSL),Transport Layer Security (TLS), S/MIME, PGP, Internet Key Exchange (IKE or IKEv2), and GPG.

References: https://en.wikipedia.org/wiki/Public-key_cryptography