Certified Ethical Hacker (CEH) questions with correct answers

Confidentiality - Answer The measures taken to prevent disclosure of information or data to unauthorized individuals or systems. Integrity - Answer The methods and actions taken to protect the information from unauthorized alteration or revision - whether the data is at rest or in transit. Hash - Answer A one-way mathematical algorithm that generates a specific, fixed-length number. Bit Flipping - Answer A type of integrity attack where the attacker manipulates bit in the ciphertext to generate a predictable outcome in the plaintext once it is decrypted. Availability - Answer Refers to communications and data being ready for use when legitimate users need them. Denial of Service (DoS) Attacks - Answer Designed to prevent legitimate users from having access to computer resources. Ethical Hacker - Answer Someone who employs the same tools and techniques a criminal might use, with the customer's full support and approval, in order to secure a network or system. Cracker - Answer Also known as a malicious hacker, uses their skills for either personal gain or destructive purposes.