WGU C839 Study guides, Class notes & Summaries

WGU C839 EXAM 100 REAL EXAM QUESTIONS AND CORRECT ANSWERS (VERIFIED ANSWERS)|AGRADE

WGU C839 Introduction to Cryptography Exam Questions and Answers Which encryption standard uses the same key to encrypt and decrypt messages? - Answer-Symmetric Which algorithm is designated as a Type 2 product by the National Security Agency (NSA)? -Answer-Skipjack What is the most commonly used format for certificates? -Answer-X.509 v3 What is referenced to determine if a certificate has been revoked? -Answer-Certificate revocation list (CRL) What needs to be installed on end users' ...

Symmetric - Which encryption standard uses the same key to encrypt and decrypt messages? Skipjack - Which algorithm is designated as a Type 2 product by the National Security Agency (NSA)? X.509 v3 - What is the most commonly used format for certificates? Certificate revocation list (CRL) - What is referenced to determine if a certificate has been revoked? Sender's public key - What needs to be installed on end users' computers to allow them to trust applications that have been digitall...

Intro to Cryptography WGU C839 Module 1 Already Passed 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 - Answer️️ -Mono-Alphabet Substitution First used by Julius Caesar Every letter is shifted a fixed number of spaces to the left or right the alphabet. - Answer️️ - Caesar Cipher Hebrew Code substitutes the first letter of the alphabet for the...

WGU C839 Introduction to Cryptography - (EC-Council CES) Latest 2024 CrypTool - Answer ️️ -Software which allows encryption of text using historic algorithms The Enigma Machine - Answer ️️ -In World War II the Germans made use of an electro- mechanical rotor based cipher Known as The Enigma Machine. Allied cipher machines used in WWII included the British TypeX and the American SIGABA. The ADFGVX Cipher - Answer ️️ -invented by Colonel Fritz Nebel in 1918. The key for this alg...

Intro to Cryptography WGU C839 Module 3 Questions and Answers 100% Pass 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 decrypt - Answer ️️ -Asymmetric Cryptography Slower then Symmetric algorithms provides a secure way to communicate provides ...

WGU - C839 Things to Memorize AES is ___ a. Asymmetric b. Symmetric - Answer ️️ -B Serpent is ___ a. Asymmetric b. Symmetric - Answer ️️ -B Two Fish is ___ a. Asymmetric b. Symmetric - Answer ️️ -B RC5 & RC6 is ___ a. Asymmetric b. Symmetric - Answer ️️ -B IDEA is ___ a. Asymmetric b. Symmetric - Answer ️️ -B TEA is ___ a. Asymmetric b. Symmetric - Answer ️️ -B Shark is ___ a. Asymmetric b. Symmetric - Answer ️️ -B CAST is ___ a. Asymmetric b. ...

Intro to Cryptography WGU C839 Module 4 Already Passed These are usually the encryption of a message digest with the senders private key. In order to verify them, the recipient uses the senders public key. They are considered good if they provide the following. Authentication Integrity Non-repudiation - Answer ️️ -Digital Signature It is a digital document that contains a public key and some information to allow your system to verify where they key came from. This is the most common...