Which command produces an encrypted password that is easily reversible?
- username {username} secret {password}
- username {username} algorithm-type sha256 {password}
- enable secret {password}
- service password-encryption
Explanation: The service password-encryption command uses a Cisco proprietary Vignere cypher algorithm which is weak and easily reversible. The enable secret and the username secret commands encrypt passwords using the MD5 hashing algorithm and the username algorithm-type sha 256 command uses a SHA-256 hashed secret and is considered uncrackable.
Exam with this question: CCNPv8 ENCOR (Version 8.0) – Access Control and Infrastructure Security Exam
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