chapter 4

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

• Diffie-Hellman
• RSA
• WEP
• DES
• hashing

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

• asymmetric
• symmetric
• transposition
• one-time pad

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

• stream
• block
• hash
• enigma
• elliptical

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
• El-Gamal
• IDEA

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

• cryptology
• factorization
• impersonation
• spoofing
• jamming

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
• biometrics to validate physical characteristics
• guards to monitor security screens
• fences to protect the perimeter of a building

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

• steganography
• obfuscation
• hiding
• masking

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

• policies and procedures
• background checks
• hiring practices
• encryption
• intrusion detection system (IDS)

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

• Pretty Good Privacy (PGP)
• Secure Shell (SSH)
• Secure Sockets Layer (SSL)
• Secure File Transfer Protocol (SFTP)
• Telnet

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?

• deterrent
• masking
• detective
• preventive