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  1. Which authentication factor is involved when a user enters a password?
    a. Something the user knows
    b. Something the user has
    c. Something the user is
    d. Somewhere the user is
    Answer: a. Something the user knowssanfoundry
  2. What is the primary purpose of two-factor authentication (2FA)?
    a. Increase user convenience
    b. Allow passwordless login
    c. Enhance authentication security
    d. Replace encryption
    Answer: c. Enhance authentication securitysanfoundry
  3. Which method uses biometric data for authentication?
    a. Tokens
    b. CAPTCHA
    c. Fingerprint scan
    d. One-time passwords (OTP)
    Answer: c. Fingerprint scansanfoundry
  4. What does OTP stand for in authentication?
    a. One-Time Password
    b. Original Token Protocol
    c. Online Trusted Portal
    d. Offline Temporary Password
    Answer: a. One-Time Passwordsanfoundry
  5. Which authentication method sends a code to a user’s mobile device for login?
    a. Smart card
    b. Two-factor authentication
    c. Biometric
    d. Single sign-on
    Answer: b. Two-factor authenticationsanfoundry
  6. What is the meaning of SSO in authentication systems?
    a. Single System Override
    b. Secure Server Object
    c. Single Sign-On
    d. Secure Sign-On
    Answer: c. Single Sign-Onsanfoundry
  7. Which term best describes the process of verifying a user’s identity?
    a. Authorization
    b. Authentication
    c. Accounting
    d. Auditing
    Answer: b. Authenticationsanfoundry
  8. What kind of authentication factor is a smart card considered?
    a. Something you know
    b. Something you have
    c. Something you are
    d. Something you do
    Answer: b. Something you havesanfoundry
  9. Which protocol is widely used for federated authentication in web applications?
    a. TCP/IP
    b. HTTP
    c. OAuth
    d. SMTP
    Answer: c. OAuthsanfoundry
  10. Which of the following is an example of “something you are” as an authentication factor?
    a. Password
    b. Hardware token
    c. Retina scan
    d. Security question
    Answer: c. Retina scansanfoundry
  11. Which authentication method allows users to login to multiple systems with one set of credentials?
    a. Multi-factor Authentication
    b. Biometric Authentication
    c. Single Sign-On
    d. Social Login
    Answer: c. Single Sign-Onsanfoundry
  12. What is the main benefit of multi-factor authentication?
    a. Cost reduction
    b. Easier password management
    c. Improved security
    d. Less auditing
    Answer: c. Improved securitysanfoundry
  13. Which technology uses physical characteristics for user authentication?
    a. Captcha
    b. Biometric
    c. Password
    d. PIN
    Answer: b. Biometricsanfoundry
  14. What does Public Key Infrastructure (PKI) commonly manage?
    a. Usernames
    b. Digital certificates
    c. Hardware tokens
    d. Biometrics
    Answer: b. Digital certificatessanfoundry
  15. When a system asks for answers to personal questions before login, which factor is being used?
    a. Something the user is
    b. Something the user does
    c. Something the user knows
    d. Something the user has
    Answer: c. Something the user knowssanfoundry
  16. Which of the following is considered the weakest form of authentication?
    a. Passwords
    b. Biometrics
    c. Smart cards
    d. One-time passwords
    Answer: a. Passwordssanfoundry
  17. What is the role of Access Control List (ACL) in an authentication system?
    a. Identify users
    b. Manage networks
    c. Define user permissions
    d. Encrypt passwords
    Answer: c. Define user permissionssanfoundry
  18. What is the main disadvantage of password-based authentication?
    a. Complexity
    b. Susceptibility to brute force attacks
    c. High cost
    d. Fast login
    Answer: b. Susceptibility to brute force attackssanfoundry
  19. What is a common risk of using shared passwords?
    a. Higher costs
    b. Increased security
    c. No effect
    d. Reduced accountability
    Answer: d. Reduced accountabilitysanfoundry
  20. Which attack targets the transmission of authentication credentials?
    a. SQL Injection
    b. Phishing
    c. Man-in-the-middle
    d. Cross-site scripting
    Answer: c. Man-in-the-middlesanfoundry
  21. What is the function of CAPTCHA in authentication?
    a. Encrypt passwords
    b. Prevent automated bots
    c. Strengthen hashing
    d. Store cookies
    Answer: b. Prevent automated botssanfoundry
  22. Which of the following protocols is used for secure remote login?
    a. HTTP
    b. FTP
    c. SSH
    d. SMTP
    Answer: c. SSHsanfoundry
  23. What is the main concern when using biometric authentication?
    a. Speed
    b. Privacy
    c. Hardware cost
    d. User training
    Answer: b. Privacysanfoundry
  24. Which technology generates a new code every time a user logs in?
    a. Static password
    b. Token-based authentication
    c. OTP-based authentication
    d. SSO
    Answer: c. OTP-based authenticationsanfoundry
  25. Which protocol helps enable Single Sign-On across different domains?
    a. SAML
    b. POP3
    c. IMAP
    d. SNMP
    Answer: a. SAMLsanfoundry
  26. What is a security token in authentication?
    a. A physical device generating credentials
    b. A password reset tool
    c. A security patch
    d. Network encryption
    Answer: a. A physical device generating credentialssanfoundry
  27. Which is an example of step-up authentication?
    a. Enter password twice
    b. Provide password and then fingerprint
    c. Use a static password only
    d. Scan QR code only
    Answer: b. Provide password and then fingerprintsanfoundry
  28. What is device fingerprinting used for in authentication?
    a. Identifying users based on device attributes
    b. Scanning user’s fingerprints
    c. Encrypting device memory
    d. BIOS security
    Answer: a. Identifying users based on device attributessanfoundry
  29. Which factor category does a facial recognition system fall under?
    a. Knowledge
    b. Possession
    c. Inherence
    d. Location
    Answer: c. Inherencesanfoundry
  30. Which method strengthens authentication without requiring a password?
    a. Password hint
    b. Biometric scan
    c. Static PIN
    d. Security questions
    Answer: b. Biometric scansanfoundry
  31. What distinguishes authentication from authorization?
    a. Authentication verifies identity, authorization grants access level
    b. Authorization happens first
    c. Authentication applies to administrators only
    d. Authorization is less secure
    Answer: a. Authentication verifies identity, authorization grants access levelsanfoundry
  32. Which system allows users to log in using their Google or Facebook accounts?
    a. OAuth
    b. RADIUS
    c. PKI
    d. MD5
    Answer: a. OAuthsanfoundry
  33. Which property must passwords have for enhanced security?
    a. Simplicity
    b. Uniqueness and complexity
    c. Repeatability
    d. Uniform length
    Answer: b. Uniqueness and complexitysanfoundry
  34. What is the major benefit of using hardware tokens?
    a. Reduced cost
    b. Increased security against phishing
    c. Forgettable codes
    d. More password resets
    Answer: b. Increased security against phishingsanfoundry
  35. Which attack tries every combination of passwords?
    a. Dictionary attack
    b. SQL Injection
    c. Brute-force attack
    d. Phishing
    Answer: c. Brute-force attacksanfoundry
  36. Which tool is used to securely store and manage multiple passwords?
    a. Browser
    b. Clipboard
    c. Password manager
    d. Text file
    Answer: c. Password managersanfoundry
  37. Which method employs both a PIN and biometric for authentication?
    a. Multi-factor authentication
    b. Password authentication
    c. Location-based authentication
    d. Security questions
    Answer: a. Multi-factor authenticationsanfoundry
  38. What is federated identity management?
    a. Managing passwords for several users
    b. Allowing a user to access multiple systems with one identity across organizations
    c. Encrypting user data
    d. Limiting user rights on one server
    Answer: b. Allowing a user to access multiple systems with one identity across organizationssanfoundry
  39. What is a primary purpose of using account lockout policies?
    a. Increase user logins
    b. Prevent brute-force attacks
    c. Enhance convenience
    d. Hide user data
    Answer: b. Prevent brute-force attackssanfoundry
  40. What is the strongest combination for authentication?
    a. Username and password only
    b. Password and security questions
    c. Smartcard, PIN, and fingerprint scan
    d. PIN only
    Answer: c. Smartcard, PIN, and fingerprint scansanfoundry
  41. Which is considered a “soft token”?
    a. Printed card
    b. App-generated code
    c. Hardware dongle
    d. Password list
    Answer: b. App-generated codesanfoundry
  42. What is the risk if biometric data is compromised?
    a. It can be reset easily
    b. Permanent personal data exposure
    c. Easy to recover
    d. No impact
    Answer: b. Permanent personal data exposuresanfoundry
  43. Which entity issues digital certificates in PKI?
    a. Authentication server
    b. Certificate Authority
    c. Security auditor
    d. Hardware vendor
    Answer: b. Certificate Authoritysanfoundry
  44. What does LDAP stand for?
    a. Local Directory Authentication Protocol
    b. Lightweight Directory Access Protocol
    c. Logical Data Assignment Protocol
    d. Linked Data Authentication Process
    Answer: b. Lightweight Directory Access Protocolsanfoundry
  45. What is the main security function of hashing passwords?
    a. Making passwords larger
    b. Ensuring passwords are not stored in plain text
    c. Printing passwords
    d. None of the above
    Answer: b. Ensuring passwords are not stored in plain textsanfoundry
  46. What process confirms user identity via email link or code?
    a. Phishing
    b. Email verification
    c. Password reset
    d. Digital forensics
    Answer: b. Email verificationsanfoundry
  47. What kind of credentials does a “contactless smartcard” use?
    a. Magnetic strip
    b. Contact chip
    c. Radio-frequency identification (RFID)
    d. Username/password combo
    Answer: c. Radio-frequency identification (RFID)sanfoundry
  48. Which is a cloud-based authentication solution?
    a. IAMaaS (Identity and Access Management as a Service)
    b. BIOS password
    c. Local drive encryption
    d. Static OTP list
    Answer: a. IAMaaS (Identity and Access Management as a Service)sanfoundry
  49. Which process involves resetting a user’s authentication data to regain access?
    a. Password recovery
    b. Keylogging
    c. Privilege escalation
    d. Token revocation
    Answer: a. Password recoverysanfoundry
  50. Which of these strengthens remote authentication security for VPNs?
    a. Static passwords
    b. Multi-factor authentication
    c. Password hints
    d. Plaintext login
    Answer: b. Multi-factor authenticationsanfoundry

 

  1. https://www.sanfoundry.com/1000-cyber-security-questions-answers/

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