MCQs

Disclaimer:

Educational Use Only:

The website links provided are to be used strictly for educational and knowledge-gaining purposes only.

No Misuse:

Do not misuse the links or the information contained therein for any commercial, illegal, or unethical activities.

Respect for Websites and Businesses:

Respect the intellectual property and business interests of the websites and their owners. Do not attempt to alter, copy, or redistribute content without proper authorization.

Acknowledge Value of Knowledge:

Recognize and value the knowledge and resources shared by these websites. Use the information responsibly and ethically.

No Endorsement:

The provision of these links does not imply endorsement of the linked sites, their content, or their products and services. Users are responsible for evaluating the suitability and accuracy of the information.

User Responsibility:

By accessing these links, you agree to use the information at your own risk and to comply with all applicable laws and website terms of use.

1. What is the process of verifying the identity of a user or device before granting access to systems or networks called?
   a. Encryption
   b. Authorization
   c. Authentication
   d. Validation
   Answer: c. Authenticationminiorange+2
2. Which method of authentication involves using a username and password?
   a. Biometric authentication
   b. Password authentication
   c. Token-based authentication
   d. Certificate-based authentication
   Answer: b. Password authenticationarya+2
3. What term describes authentication that requires two or more verification factors?
   a. Single-factor authentication
   b. Weak authentication
   c. Multi-factor authentication
   d. Time-based authentication
   Answer: c. Multi-factor authenticationigmguru+2
4. Which of the following is a physical authentication factor?
   a. Password
   b. One-time password
   c. Smart card
   d. Security question
   Answer: c. Smart cardgeeksforgeeks+2
5. What does biometric authentication use to verify identity?
   a. Usernames
   b. Passwords
   c. Personal biological traits
   d. IP addresses
   Answer: c. Personal biological traitsminiorange+2
6. Which authentication type uses digital certificates to establish identity?
   a. Password-based
   b. Biometric
   c. Certificate-based
   d. Token-based
   Answer: c. Certificate-baseddescope+2
7. Which authentication factor relies on “something you know”?
   a. Password
   b. Biometrics
   c. Smart card
   d. Digital certificate
   Answer: a. Passwordstrongdm+2
8. What is the main advantage of multi-factor authentication (MFA)?
   a. Faster logins
   b. Reduced password complexity
   c. Improved security
   d. More frequent password resets
   Answer: c. Improved securityrazorpay+2
9. Which of the following is NOT a valid form of biometric authentication?
   a. Fingerprint
   b. Facial recognition
   c. PIN code
   d. Retinal scan
   Answer: c. PIN codearya+2
10. What is a one-time password (OTP) used for in authentication?
    a. Encrypting data
    b. Providing a temporary login code
    c. Replacing certificates
    d. Authorizing new devices
    Answer: b. Providing a temporary login coderazorpay+2
11. Which of the following methods is considered “something you have” in authentication?
    a. Password
    b. Security token
    c. Memory phrase
    d. PIN
    Answer: b. Security tokengeeksforgeeks+2
12. Which authentication method is vulnerable to phishing attacks?
    a. Certificate-based
    b. Smart card
    c. Password-based
    d. Biometrics
    Answer: c. Password-baseddescope+2
13. Which technology generates time-based codes for authentication?
    a. Biometric scanner
    b. Authenticator app
    c. Password manager
    d. Firewall
    Answer: b. Authenticator appminiorange+2
14. Which is NOT an example of “something you are” as an authentication factor?
    a. Voice recognition
    b. Hand geometry
    c. Security question
    d. Retina scan
    Answer: c. Security questiongeeksforgeeks+2
15. What is the main purpose of authentication in cybersecurity?
    a. Encrypt sensitive data
    b. Verify user or device identity
    c. Monitor network traffic
    d. Block unauthorized websites
    Answer: b. Verify user or device identityexamradar+2
16. What should never be stored in plain text to enhance authentication security?
    a. User roles
    b. Passwords
    c. Device IDs
    d. Biometrics templates
    Answer: b. Passwordsexamradar+2
17. What authentication method issues a secure digital key after successful verification?
    a. Certificate-based
    b. Token-based
    c. Single sign-on
    d. Password-based
    Answer: b. Token-basedarya+2
18. Which of the following is an example of passwordless authentication?
    a. Username and PIN
    b. Palm print scan
    c. Security questions
    d. Magic link via email
    Answer: d. Magic link via emaildescope+2
19. Which process determines what resources an authenticated user can access?
    a. Authentication
    b. Encryption
    c. Authorization
    d. Tokenization
    Answer: c. Authorizationbu+2
20. What is the function of CAPTCHAs in authentication?
    a. Improve aesthetics
    b. Prevent bots from abusing authentication
    c. Encrypt communication
    d. Authorize elevated access
    Answer: b. Prevent bots from abusing authenticationexamradar+2
21. What is adaptive authentication?
    a. Static password use
    b. Dynamic adjustment of authentication based on user behavior and context
    c. Reusing the same credentials on multiple devices
    d. Simplified password reset
    Answer: b. Dynamic adjustment of authentication based on user behavior and contextminiorange+2
22. What is the risk with weak passwords in authentication?
    a. Slower logins
    b. Easier network monitoring
    c. Increased risk of unauthorized access
    d. Harder password recovery
    Answer: c. Increased risk of unauthorized accessgeeksforgeeks+2
23. What kind of authentication involves the verification of digital signatures?
    a. Biometric
    b. Certificate-based
    c. Behavioral
    d. PIN-based
    Answer: b. Certificate-basedarya+2
24. What is an example of behavioral authentication?
    a. Password strength checking
    b. Keystroke dynamics analysis
    c. Two-factor authentication
    d. Session timeout
    Answer: b. Keystroke dynamics analysisdescope+2
25. Which token is typically used for web API authentication?
    a. RSA token
    b. Bearer token
    c. QR code
    d. Biometric template
    Answer: b. Bearer tokenminiorange+2
26. What does the acronym “SSO” stand for in authentication?
    a. Secure Software Operation
    b. Single Sign-On
    c. Secure Socket Option
    d. Single System Operation
    Answer: b. Single Sign-Onarya+2
27. Which of the following is an example of multi-factor authentication?
    a. Security question only
    b. Password and fingerprint
    c. PIN code only
    d. Barcode scan only
    Answer: b. Password and fingerprintinstasafe+2
28. What is the main challenge with biometric authentication?
    a. Cannot be automated
    b. Expensive and privacy concerns
    c. Ineffective for large organizations
    d. Lack of uniqueness
    Answer: b. Expensive and privacy concernsdescope+2
29. In authentication, what is meant by “federated identity”?
    a. Sharing one password for all services
    b. Using an identity from another trusted system
    c. Delegating passwords to a group
    d. Rotating credentials monthly
    Answer: b. Using an identity from another trusted systemminiorange+2
30. What scenario best demonstrates authentication failure?
    a. Entering the wrong password and being denied access
    b. Being prompted for a new password monthly
    c. Delaying logins for new users
    d. Using a complicated password
    Answer: a. Entering the wrong password and being denied accessexamradar+2
31. What is stored in a “hash” to protect authentication data?
    a. Passwords
    b. Usernames
    c. IP addresses
    d. Session cookies
    Answer: a. Passwordsgeeksforgeeks+2
32. What is required for two-factor authentication?
    a. Two devices
    b. Two distinct authentication factors
    c. Two IP addresses
    d. Two password resets
    Answer: b. Two distinct authentication factorsigmguru+2
33. What is the main difference between authentication and authorization?
    a. Authentication grants access, authorization verifies identity
    b. Both terms mean the same
    c. Authentication verifies identity, authorization grants access
    d. Both deny access
    Answer: c. Authentication verifies identity, authorization grants accessbu+2
34. Which attack type targets weak authentication mechanisms to gain unauthorized access?
    a. Encryption attack
    b. Phishing
    c. Data mining
    d. Network sniffing
    Answer: b. Phishingrazorpay+2
35. Which of the following prevents the reuse of session credentials across different requests?
    a. Timed logouts
    b. One-time tokens
    c. Password complexity rules
    d. Device fingerprinting
    Answer: b. One-time tokensarya+2
36. Which authentication method uses challenge-response protocols?
    a. CAPTCHA
    b. Kerberos
    c. Biometric
    d. Password only
    Answer: b. Kerberosgeeksforgeeks+2
37. What is a primary benefit of Single Sign-On (SSO) authentication?
    a. Frequent password resets
    b. Simpler user experience
    c. Shorter timeout periods
    d. Fewer user roles
    Answer: b. Simpler user experiencedescope+2
38. Which method combines something you know and something you have?
    a. Password only
    b. Token-based only
    c. Password and OTP
    d. Biometric only
    Answer: c. Password and OTPinstasafe+2
39. Which authentication process often uses public-key infrastructure (PKI)?
    a. Password reset
    b. PKI supports certificate-based authentication
    c. Token-revocation system
    d. Behavior analytics
    Answer: b. PKI supports certificate-based authenticationminiorange+2
40. Which factor is NOT considered when using risk-based authentication?
    a. Geolocation
    b. Device type
    c. Username length
    d. Time of access
    Answer: c. Username lengtharya+2
41. What is an example of hardware-based authentication?
    a. PIN
    b. Password
    c. Smart card
    d. Graphical password
    Answer: c. Smart cardgeeksforgeeks+2
42. Which process ensures authenticated users are trusted across systems?
    a. Session management
    b. Federation
    c. Encryption
    d. Token expiration
    Answer: b. Federationdescope+2
43. In behavioral authentication, which input is most likely analyzed?
    a. Name spelling
    b. Mouse movement patterns
    c. Email address domain
    d. User group association
    Answer: b. Mouse movement patternsminiorange+2
44. Which protocol is widely used for federated authentication in web applications?
    a. HTTP
    b. SAML
    c. DHCP
    d. ICMP
    Answer: b. SAMLarya+2
45. What is a security benefit of passwordless authentication?
    a. Universal compatibility
    b. Eliminates password-related attacks
    c. Lower device requirements
    d. Higher administrative overhead
    Answer: b. Eliminates password-related attacksdescope+2
46. Which best depicts “something you are” in the context of authentication factors?
    a. Security question
    b. Iris scan
    c. Passphrase
    d. Mobile OTP
    Answer: b. Iris scangeeksforgeeks+2
47. Which attack attempts to guess passwords using all possible combinations?
    a. Social engineering
    b. Brute force attack
    c. Cross-site request forgery
    d. Denial of service
    Answer: b. Brute force attackgeeksforgeeks+2
48. If an authentication system requests a backup code during login, what method is this likely part of?
    a. Single-factor authentication
    b. Multi-factor authentication
    c. Static password use
    d. Authorization
    Answer: b. Multi-factor authenticationrazorpay+2
49. Which mechanism links the authentication process across different domains or systems?
    a. SSO
    b. Password rotation
    c. Role-based access control
    d. Time-based lockout
    Answer: a. SSOminiorange+2
50. Why is storing passwords as plain text discouraged in authentication systems?
    a. Makes logins faster
    b. Increases risk if database is compromised
    c. Makes resets easier
    d. Helps user convenience
    Answer: b. Increases risk if database is compromisedexamradar+2

1. https://www.miniorange.com/blog/different-types-of-authentication-methods-for-security/
2. https://www.microsoft.com/en-in/security/business/security-101/what-is-authentication
3. https://www.anomali.com/glossary/cybersecurity-authentication
4. https://arya.ai/blog/different-types-of-authentication-methods
5. https://www.geeksforgeeks.org/computer-networks/authentication-in-computer-network/
6. https://www.igmguru.com/blog/cyber-security-mcqs
7. https://instasafe.com/blog/types-of-authentication-methods-used-for-network-security/
8. https://razorpay.com/learn/what-is-authentication/
9. https://www.descope.com/learn/post/authentication-types
10. https://www.strongdm.com/authentication
11. https://www.geeksforgeeks.org/computer-networks/types-of-digital-authentication/
12. https://examradar.com/fundamentals-of-authentication-and-authorization-in-web-application-security-mcqs/
13. https://www.bu.edu/tech/about/security-resources/bestpractice/auth/
14. https://www.sanfoundry.com/operating-system-mcqs-security-user-authentication/
15. https://www.sanfoundry.com/1000-cyber-security-questions-answers/
16. https://examradar.com/user-management-and-access-control-mcqs-multiple-choice-questions-with-answer/
17. https://automationcommunity.com/100-mcqs-mastery-on-cybersecurity/
18. https://www.scribd.com/document/453544767/mcqS-WITH-KEY-ANSWERS
19. https://www.theknowledgeacademy.com/blog/cyber-security-mcq-and-answers/
20. https://copamcq.com/cyber-security/