Which of the following cryptographic system services ensures that information will not be disclosed to any unauthorized person on a local network?

A. Authentication

B. Non-repudiation

C. Integrity

D. Confidentiality

Which of the following encryption modes can make protocols without integrity protection even more susceptible to replay attacks, since each block gets decrypted in exactly the same way?

A. Cipher feedback mode

B. Cipher block chaining mode

C. Output feedback mode

D. Electronic codebook mode

John works as a security manager for SoftTech Inc. He is working with his team on the disaster recovery management plan. One of his team members has a doubt related to the most cost effective DRP testing plan. According to you, which of the following disaster recovery testing plans is the most cost-effective and efficient way to identify areas of overlap in the plan before conducting more demanding training exercises?

A. Evacuation drill

B. Walk-through drill

C. Structured walk-through test

D. Full-scale exercise

Which of the following statements are true about Public-key cryptography? Each correct answer represents a complete solution. Choose two.

A. Data encrypted with the secret key can only be decrypted by another secret key.

B. The secret key can encrypt a message, and anyone with the public key can decrypt it.

C. The distinguishing technique used in public key-private key cryptography is the use of symmetric key algorithms.

D. Data encrypted by the public key can only be decrypted by the secret key.

Which of the following describes the acceptable amount of data loss measured in time?

A. Recovery Consistency Objective (RCO)

B. Recovery Time Objective (RTO)

C. Recovery Point Objective (RPO)

D. Recovery Time Actual (RTA)