Users report that after downloading several applications, their systems’ performance has
noticeably decreased. Which of the following would be used to validate programs prior to installing
them?

Which of the following is used to verify data integrity?

Which of the following can be implemented with multiple bit strength?

To ensure compatibility with their flagship product, the security engineer is tasked to recommend
an encryption cipher that will be compatible with the majority of third party software and hardware
vendors. Which of the following should be recommended?

Which of the following provides additional encryption strength by repeating the encryption process
with additional keys?

Which of the following are restricted to 64-bit block sizes? (Select TWO).

A bank has a fleet of aging payment terminals used by merchants for transactional processing.
The terminals currently support single DES but require an upgrade in order to be compliant with
security standards. Which of the following is likely to be the simplest upgrade to the aging
terminals which will improve in-transit protection of transactional data?

Which of the following would Matt, a security administrator, use to encrypt transmissions from an
internal database to an internal server, keeping in mind that the encryption process must add as
little latency to the process as possible?

Which of the following MUST Matt, a security administrator, implement to verify both the integrity
and authenticity of a message while requiring a shared secret?

Which of the following cryptographic algorithms is MOST often used with IPSec?