WGU C839 TESTS COMPILATION BUNDLE

PKCS #1 CORRECT ANSWERS: RSA Cryptography Standard PKCS #3 CORRECT ANSWERS: Diffie-Hellman Key Agreement Standard PKCS #5/RFC 2898 CORRECT ANSWERS: Password-based Encryption Standard PKCS #8 CORRECT ANSWERS: Private-Key Information Syntax Standard PKCS #13 CORRECT ANSWERS: Elliptic ...

What advantage do symmetric algorithms have over asymmetric algorithms CORRECT ANSWERS: Symmetric algorithms are faster than Asymmetric algorithms Which of the following is generally true about key sizes? CORRECT ANSWERS: Larger key sizes increase security A ____ is a function is not reversi...

Which encryption standard is approved by the National Security Agency (NSA) for classified information? CORRECT ANSWERS: Advanced Encryption Standard (AES Which National Security Agency (NSA) encryption algorithms are unevaluated commercial cryptographic components? CORRECT ANSWERS: Type 4 W...

Which encryption standard uses the same key to encrypt and decrypt messages? A) Asymmetric Key Encryption B) Symmetric Key Encryption C) Public Certificate D) CRL CORRECT ANSWERS: B Which algorithm is designated as a Type 2 product by the National Security Agency (NSA)? A) DES B) AES ...

Which encryption standard uses the same key to encrypt and decrypt messages CORRECT ANSWERS: Symmetric Which algorithm is designated as a Type 2 produce by the National Security Agency (NSA)? CORRECT ANSWERS: SkipJack Wha is the most commonly used format for certificates? CORRECT ANSWERS: x...

Cryptography CORRECT ANSWERS: derived form the word kryptos which means "hidden," and the verb grafo, which means "Write", is the study of message secrecy Mono-Alphabet Substitution Algorithms CORRECT ANSWERS: These types of algorithms simply substitute one character of cipher text for each...

Which encryption standard uses the same key to encrypt and decrypt messages? A) Asymmetric Key Encryption B) Symmetric Key Encryption C) Public Certificate D) CRL CORRECT ANSWERS: Symmetric Key Encryption Which algorithm is designated as a Type 2 product by the National Security Agency (NS...

Twofish CORRECT ANSWERS: 128 bits and key sizes of 128, 192, or 256 bits. It is a Feistel cipher. IDEA CORRECT ANSWERS: Operates on 64 bit blocks and has a 128 bit key. Consists of 8 identical transformations each round and an output transformation. CAST-128 CORRECT ANSWERS: Operates on 64 ...

AES is ___ a. Asymmetric b. Symmetric CORRECT ANSWERS: B Serpent is ___ a. Asymmetric b. Symmetric CORRECT ANSWERS: B Two Fish is ___ a. Asymmetric b. Symmetric CORRECT ANSWERS: B RC5 & RC6 is ___ a. Asymmetric b. Symmetric CORRECT ANSWERS: B IDEA is ___ a. Asymmetric b. Sy...

Consists of public and private keys The public key is made public by publishing to a directory or installed on a computer. The private key is kept secret Does not involve exchanging a secret key or key exchange The public key is used to encrypt messages only the recipients private key can decryp...

DES (block/key/rounds) CORRECT ANSWERS: BLOCK SIZE - 64bit KEY SIZE - 56bit ROUNDS - 16 AES (block/key/rounds) CORRECT ANSWERS: BLOCK SIZE - 128bit KEY SIZE - 128, 192, or 256 ROUNDS - 10,12, or 14 Blowfish (block/key/rounds) CORRECT ANSWERS: BLOCK SIZE - 64bit KEY SIZE - 32-448 bit R...

What term from the list below best describes a data concealment for covert communication that makes use of LSB replacement? -Crypanalysis -Stegnalysis -Steganography -Whitening CORRECT ANSWERS: Steganography Which block cipher below uses a block size of 128 bits and key sizes up to 256 bit...

The same key is used to encrypt messages as well as decrypt messages. These algorithms are always faster but have an issue with exchanging keys. CORRECT ANSWERS: Symmetric Cryptography Modern cryptography began when Claude Shannon publish "Communication Theory of Secrecy Systems" in 1949. He f...

Most primitive of cryptographic algorithms, substitutes one character of cipher text for each character of plain text. Includes Caesar Cipher Atbash Cipher Affine Cipher Rot13 Cipher CORRECT ANSWERS: Mono-Alphabet Substitution First used by Julius Caesar Every letter is shifted a fixed num...