Chapter 16

Which of the following describe being secure, information needs to be hidden from unauthorized access?

• Confidentiality

• Integrity

• Availability

• Non-repudiation

Which of the following describes protecting data information needs to be protected from unauthorized change?

• Confidentiality

• Availability

• Integrity

• Deniel of Service

Which of the following attacks is threatening integrity?

• Snooping

• Traffic Analysis

• Denial of service

• Modification

Which of the following attacks is threatening confidentiality?

• Snooping

• Repudiation

• Denial of service

• Modification

_______ can be threatened by security attacks.

• confidentiality, cryptography, and non-repudiation

• confidentiality, encryption, and decryption

• confidentiality, denial of service, and masquerading

• confidentiality, integrity, and availability

In attacks threatening integrity, ______  happens when the attacker impersonates somebody else

• Snooping

• Modification

• Masquerading

• Denial of service

_____________ means concealing the contents of a message by enciphering.

• Steganography

• Cryptography

• Compressing

• Authentication

In __________cryptography, the same key is used by the sender and the receiver.

• symmetric-key

• asymmetric-key

• public-key

• open-key

_____ means that the data must arrive at the receiver exactly as they were sent.

• Nonrepudiation

• Message integrity

• Authentication

• Secrecy

______ can provide authentication, integrity, and nonrepudiation for a message.

• Encryption/decryption

• Digital signature

• Compression

• Key-exchange