Net Quiz 4

Which asymmetric algorithm provides an electronic key exchange method to share the secret key?

• RSA

• Diffie-Hellman

• WEP

• DES

What encryption algorithm uses one key to encrypt data and a different key to decrypt data?

• transposition

• symmetric

• asymmetric

• one-time pad

What type of cipher encrypts plaintext one byte or one bit at a time?

• block

• stream

• hash

• enigma

What cryptographic algorithm is used by the NSA and includes the use of elliptical curves for digital signature generation and key exchange?

• ECC

• RSA

• AES

• IDEA

Answer explanation

Elliptic curve cryptography (ECC) uses elliptic curves as part of the algorithm for digital signature generation and key exchange.

What is the term used to describe the science of making and breaking secret codes?

• factorization

• cryptology

• impersonation

• spoofing

Which three processes are examples of logical access controls? (Choose three.)

• intrusion detection system (IDS) to watch for suspicious network activity

• firewalls to monitor traffic

• guards to monitor security screens

• biometrics to validate physical characteristics

What term is used to describe concealing data in another file such as a graphic, audio, or other text file?

• masking

• hiding

• obfuscation

• steganography

What are three examples of administrative access controls? (Choose three.)

• policies and procedures

• background checks

• hiring practices

• intrusion detection system (IDS)

Which three protocols use asymmetric key algorithms? (Choose three.)

• Pretty Good Privacy (PGP)

• Secure Shell (SSH)

• Secure Sockets Layer (SSL)

• Advanced Encryption Standard (AES)

A warning banner that lists the negative outcomes of breaking company policy is displayed each time a computer user logs in to the machine. What type of access control is implemented?

• masking

• deterrent

• detective

• preventive