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WGU D334 Cryptography Exam – Ciphers, AES, Hashing & Blockchain|Rationales A+ Graded Latest Updated 2026 Bifid Cipher Maps letters into numeric values. Playfair Cipher Uses a 5x5 matrix for encryption. Caesar Cipher A cipher that shifts letters in the alphabet. Kasiski Examination Breaks the Vigenere/Polyalphabetic cipher. XOR A binary operation where bits are compared; e.g., 1110 XOR 1011 = 0101. Symmetric Cryptography Uses the same key for encryption and decryption, typically fas...

DoD Annual Security Training Refresher – Compliance Exam Prep (SF 86, SF 701, SF 702)|Verified Questions with A+ Graded Rationales What coversheet is attached to help protect a Secret document? SF704 Prior to foreign travel, you must ensure that your Antiterrorism/Force Protection Level 1 training is current. True Secret materials may be transmitted y the same methods as Confidential materials. False Which of the following must be reported? All of the above Classified information can...

DoD Annual Security Training Exam – Classified Information, OPSEC & SF Forms (Exam-Ready) |Rationales Graded A+ Latest Updated 2026 Which level of classified information could cause damage to national security confidential Classified information can be safeguarded by using Vaults, secure rooms, secure telephones Incorporating, paraphrasing, restating, or generating in a new form information that is already classified is know as Derivative classification You may be subject to sanctions i...

DRO2 Bytes, Bits, and Pieces Knowledge Check – C839v5 & D334 Crypto Algorithms (Exam-Ready)|Verified Questions with A+ Graded Answers Latest Updated 2026 Chaskey is a light-weight cryptography method used for signing messages that employs a ____ bit key size. 128 64 256 16 Quark is a light-weight cryptography method used for hashing and stream encryption. What size message digest is Quark capable of producing when used for hashing? Select all that apply. 128 256 64 112 0 / 1 point ...

C839v5 / D334 Chapter 12 – Wireless Security Knowledge Check (WEP, WPA, TKIP, RC4)|Verified A+ Graded Rationales Latest Updated 2026 From the list below, select the options that underscore weaknesses in WEP. Select all that apply. - Small value of IV - No IV used - Lack of message tampering identification - No master key used - Small value of IV - Lack of message tampering identification Explanation: WEP is weak from a number of viewpoints including: • Small value of IV. This m...

C839v5 / D334 DRO2 Chapter 4 – Asymmetric Encryption, RSA, ECC & Homomorphic Crypto |Verified Questions with A+ Graded Answers Public key encryption is an asymmetric key method that uses a public key (which can be distributed) and a private key (which should be kept private). True False _____ cryptography is better suited for real-time communications implementations than ______ cryptography. Conventional, Light-weight Symmetric, Asymmetric Asymmetric, symmetric Asymmetric, Public-key ...

DRO2 Chapter 3 Knowledge Check – C839v5 & D334 Hashing, Integrity & Attacks |Verified Questions with A+ Graded Rationales Latest Updated 2026 The standard hash function works by taking a _______ input and producing a ______output. variable, variable fixed, variable variable, fixed fixed, fixed Hashing involves creating a _____ function which cannot be ______. two-way, verified two-way, reversed one-way, reversed signing, verified From the list below, which choices are most in line w...

DRO2 Cryptography Chapter 1 Exam Prep – PRNG, Ciphers, Probability & Encoding|Questions Verified Provided with Complete A+ Graded Rationales Lates Updated 2026 Which type of random number generator would be the best choice if you were looking for fast speed? Pseudo-random number generator (PRNG) Which cipher makes use of a grid which maps letters into numeric values as part of the encryption process? BIFID Which computing architecture type stores the most significant byte in the lowest me...

D334 / C839v5 Cryptography Complete Guide – Encryption, Ciphers, Randomness & Hardware Security|Questions with Verified A+ Graded Answers Latest Updated 2026 Changing plaintext into ciphertext (Should be applied in at rest and in transit) Encryption Changing ciphertext to plaintext Decryption Encrypt individual files and full disks with options such as BitLocker and FileVault Aescrypt Mapping from our alphabet to a number of cipher alphabets. Added complexity in early cryptosystems. ...

C839v5 / D334 Algorithms Drill – Cryptographic Algorithms, Block Sizes, Key Lengths & Rounds (128-Bit Focus)|Rationales Graded A+ Latest Updated 2026 128 bits Key size in bits for the Chaskey cipher 128 bits Misty1 block cipher key size 64 bits Block size used with Skipjack 32 rounds How many rounds does Skipjack use? 1-128 bits Key size used with RC6 64 bits Block size used with RC2 1-128 bits Key size used with RC2 18 Number of rounds used by RC2 80 bits Key size used with ...