Computer Science > EXAM > Information Security Fundamentals CIST 1401: Chapters 9-15 | 100 Questions with 100% Correct Answers (All)

Information Security Fundamentals CIST 1401: Chapters 9-15 | 100 Questions with 100% Correct Answers

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What mathematical problem forms the basis of most modern cryptographic algorithms? a) Factoring large primes b) Traveling salesman problem c) Quantum mechanics d) Birthday problem - ANS - a) Facto... ring large primes In a chosen-ciphertext attack, cryptanalysts submit data coded with the same cipher and key they are trying to break to the decryption device to see either the plaintext output or the effect the decrypted message has on some system. a) True b) False - ANS - a) True Integrity-checking tools use cryptographic methods to make sure nothing and no one has modified the software. a) True b) False - ANS - a) TrueA person demonstrates anonymity when posting information to a web discussion site without authorities knowing who he or she is. a) True b) False - ANS - a) True Bob received a message from Alice that contains a digital signature. What cryptographic key does Bob use to verify the digital signature? a) Alice's public key b) Alice's private key c) Bob's public key d) Bob's private key - ANS - a) Alice's public key Which approach to cryptography provides the strongest theoretical protection? a) Quantum cryptography b) Asymmetric cryptography c) Elliptic curve cryptography d) Classic cryptography - ANS - a) Quantum cryptography You must always use the same algorithm to encrypt information and decrypt the same information. [Show More]

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