Password Protection and Encryption Techniques DFE Practice Questions (Page 5)

Questions 21–25

1. 21foundation · easy

   A forensic examiner suspects that a password is based on a common word or phrase. Which cracking technique would be most efficient to try first?

   • ARainbow table attack
   • BDictionary attack
   • CKeylogger attack
   • DBrute force attack
   Reveal Solution Discussion Select an answer first
2. 22foundation · easy

   Which statement correctly describes a strength of asymmetric encryption?

   • AIt eliminates the need for key distribution because the public key can be shared openly
   • BIt is immune to all cryptographic attacks
   • CIt is faster than symmetric encryption for large data sets
   • DIt uses the same key for encryption and decryption, simplifying key management
   Reveal Solution Discussion Select an answer first
4. 23foundation · easy

   In digital forensics, what is the primary purpose of password protection on a suspect's device?

   • ATo prevent unauthorized access to data and maintain confidentiality
   • BTo provide a legal basis for prosecuting unauthorized access
   • CTo encrypt all data on the device so that it cannot be read even by the owner
   • DTo ensure data integrity by detecting any modifications to files
   Reveal Solution Discussion Select an answer first
5. 24application · medium

   A forensic examiner is advising a company on how to protect sensitive data from unauthorized access. The company wants to implement a password policy that resists common cracking techniques. Which recommendation is most effective?

   • AAllow users to reuse passwords across systems for convenience.
   • BStore passwords in plaintext to simplify recovery.
   • CUse short passwords but change them frequently.
   • DEnforce long, complex passwords and enable multi-factor authentication.
   Reveal Solution Discussion Select an answer first
6. 25application · medium

   A forensic examiner is attempting to crack a password hash that is known to be unsalted and uses the MD5 algorithm. The examiner has a precomputed table of hashes for common passwords. Which attack is most efficient?

   • ADictionary attack with a wordlist
   • BRule-based attack
   • CRainbow table attack
   • DBrute-force attack
   Reveal Solution Discussion Select an answer first