MCQs

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1. What is a Hardware Root of Trust (RoT)?
   a. A physical lock
   b. A foundation for secure device operations
   c. A backup process
   d. A type of cable
   Answer: b. A foundation for secure device operationsrambus+1
2. Which component is key to establishing a chain of trust in a device?
   a. Mouse
   b. Hardware Root of Trust
   c. Printer
   d. Monitor
   Answer: b. Hardware Root of Trustsynopsys+1
3. Where is Hardware Root of Trust usually located?
   a. In silicon (chip level)
   b. On the monitor
   c. In application software
   d. In cloud storage
   Answer: a. In silicon (chip level)synopsys+1
4. What is a primary function of Hardware Root of Trust during device boot?
   a. Increases boot speed
   b. Verifies firmware integrity
   c. Reduces battery usage
   d. Loads games
   Answer: b. Verifies firmware integritydekra+1
5. Why is Hardware Root of Trust important?
   a. It prevents all viruses
   b. It protects cryptographic keys and sensitive operations
   c. It speeds up graphics
   d. It backs up data
   Answer: b. It protects cryptographic keys and sensitive operationsblackberry.qnx+1
6. Which security process often begins with the Hardware Root of Trust?
   a. Secure boot
   b. Antivirus scan
   c. Password creation
   d. RAM clearance
   Answer: a. Secure bootsynopsys+1
7. A Hardware Root of Trust is typically:
   a. Changeable by users
   b. Immutable and tamper-resistant
   c. Open-source software
   d. Unencrypted text
   Answer: b. Immutable and tamper-resistantsciencedirect+1
8. Which device commonly contains a Hardware Root of Trust?
   a. Bluetooth speaker
   b. Trusted Platform Module (TPM)
   c. Keyboard
   d. External hard drive
   Answer: b. Trusted Platform Module (TPM)trustedcomputinggroup+1
9. Which operation relies on the secret keys protected by the hardware root of trust?
   a. Printing
   b. Cryptography
   c. Displaying color images
   d. Network speed optimization
   Answer: b. Cryptographyutimaco+1
10. The root of trust is essential for which of the following?
    a. Chain of trust
    b. System sounds
    c. Document formatting
    d. Internet browsing history
    Answer: a. Chain of trustdekra+1
11. What makes hardware root of trust secure against malware?
    a. It’s physically isolated from the OS
    b. It’s frequently updated
    c. It’s easy to copy
    d. It has no security
    Answer: a. It’s physically isolated from the OSrambus+1
12. What best describes secure storage using a hardware root of trust?
    a. Storage for games
    b. Protected keys and credentials
    c. Unprotected files
    d. Shared drives
    Answer: b. Protected keys and credentialsutimaco+1
13. Which mechanism uses hardware root of trust to verify update authenticity?
    a. Secure update
    b. Animation
    c. Device restart
    d. File compression
    Answer: a. Secure updatesynopsys+1
14. How does a root of trust help in device authentication?
    a. Allows spoofing
    b. Verifies identities of devices and software
    c. Blocks internet
    d. Duplicates passwords
    Answer: b. Verifies identities of devices and softwareblackberry.qnx+1
15. What is NOT a role of hardware root of trust?
    a. Encryption
    b. Boot verification
    c. Device decoration
    d. Authentication
    Answer: c. Device decorationrambus+1
16. Which cryptographic operation is the hardware root of trust used for?
    a. Signing and verifying code
    b. Drawing images
    c. Playing music
    d. Compressing videos
    Answer: a. Signing and verifying codetrustedcomputinggroup+1
17. When is a device’s hardware root of trust typically established?
    a. Device manufacturing
    b. User login
    c. Color scheme selection
    d. Data backup
    Answer: a. Device manufacturingdornerworks+1
18. Which of these threats does hardware root of trust help mitigate?
    a. Firmware tampering
    b. Power surges
    c. Dust accumulation
    d. System overheating
    Answer: a. Firmware tamperingsynopsys+1
19. What property must a root of trust have?
    a. Be always trusted
    b. Be replaceable daily
    c. Be visible on the desktop
    d. Be used for gaming
    Answer: a. Be always trustedtrustedcomputinggroup+1
20. Using hardware root of trust, what becomes possible for the system?
    a. Secure boot and trust anchor
    b. Faster spreadsheet calculations
    c. Better graphics rendering
    d. Larger fonts
    Answer: a. Secure boot and trust anchordekra+1
21. Why is physical security important for hardware root of trust?
    a. It prevents theft and tampering
    b. It makes software updates easier
    c. It enables faster printing
    d. It controls sound levels
    Answer: a. It prevents theft and tamperingutimaco+1
22. What is a hardware security module (HSM) commonly used for?
    a. Managing cryptographic keys
    b. Changing wallpapers
    c. Hosting web pages
    d. Controlling mouse clicks
    Answer: a. Managing cryptographic keysblackberry.qnx+1
23. Which term describes hardware that cannot be cloned due to unique silicon properties?
    a. Physical Unclonable Function (PUF)
    b. Digital camera
    c. Power cable
    d. Laser printer
    Answer: a. Physical Unclonable Function (PUF)synopsys
24. Which standard requires hardware root of trust for compliance?
    a. Industry-grade standards (government, banking, military)
    b. Karaoke specifications
    c. JPEG file format
    d. Font management protocol
    Answer: a. Industry-grade standards (government, banking, military)utimaco
25. Which type of system benefits most from hardware root of trust?
    a. IoT devices
    b. Light bulbs
    c. Headphones
    d. Speakers
    Answer: a. IoT devicesblackberry.qnx+1
26. What is ‘chain of trust’ in relation to root of trust?
    a. Sequence of verified operations
    b. Chain of accessories
    c. Chain of keyboards
    d. Chain emails
    Answer: a. Sequence of verified operationsdekra+1
27. Secure boot uses root of trust to validate what?
    a. Firmware and software authenticity
    b. Music playlist
    c. Display settings
    d. Number of USB ports
    Answer: a. Firmware and software authenticitysynopsys+1
28. What can compromise a system without hardware root of trust?
    a. Firmware attacks
    b. Typing errors
    c. Loud alarms
    d. Bright monitors
    Answer: a. Firmware attackssynopsys+1
29. Root of trust is central to what model?
    a. Trustworthy computing
    b. Paint mixing
    c. Travel scheduling
    d. Calendar alerts
    Answer: a. Trustworthy computingcsrc.nist+1
30. What is measured by root of trust during a secure boot?
    a. Integrity of firmware
    b. Song duration
    c. Screen size
    d. Volume level
    Answer: a. Integrity of firmwaresynopsys+1
31. What is NOT protected by hardware root of trust?
    a. Cryptographic keys
    b. Device credentials
    c. System themes
    d. Sensitive data
    Answer: c. System themesrambus+1
32. Device manufacturers use root of trust for what purpose?
    a. Initial private key creation
    b. Setting volume
    c. Painting cases
    d. Building user guides
    Answer: a. Initial private key creationdornerworks+1
33. Which feature does hardware root of trust offer?
    a. Tamper-resistance
    b. Free games
    c. Automatic updates
    d. Screen brightness control
    Answer: a. Tamper-resistanceutimaco+1
34. What does hardware root of trust achieve for cryptographic operations?
    a. Key generation and safe storage
    b. Image rotation
    c. Audio enhancement
    d. Video compression
    Answer: a. Key generation and safe storagerambus+1
35. Which is NOT a benefit of hardware root of trust?
    a. Secure authentication
    b. Encryption
    c. Improved picture contrast
    d. Code integrity
    Answer: c. Improved picture contrastrambus+1
36. Which part of the system is most critical for hardware root of trust?
    a. Silicon-based module
    b. Paper tray
    c. USB stick
    d. Remote control
    Answer: a. Silicon-based moduledornerworks+1
37. Hardware root of trust prevents reinstallation of what in updates?
    a. Outdated/vulnerable firmware
    b. Password manager
    c. Sound driver
    d. Calendar synchronization
    Answer: a. Outdated/vulnerable firmwaredekra+1
38. Which process is possible because of root of trust?
    a. Rollback protection
    b. Color selection
    c. Music download
    d. Chat messaging
    Answer: a. Rollback protectionsynopsys+1
39. What type of root of trust is immune to malware?
    a. Hardware root of trust
    b. Software version
    c. External hard disk
    d. Wireless keyboard
    Answer: a. Hardware root of trustutimaco+1
40. What is a secure device identifier used for?
    a. Trusted communications
    b. Logo display
    c. Newsletter subscription
    d. Audio streaming
    Answer: a. Trusted communicationsblackberry.qnx
41. Why must roots of trust be secure by design?
    a. They form the foundation of trust
    b. They are removable
    c. They sync calendars
    d. They change colors
    Answer: a. They form the foundation of trustcpl.thalesgroup+1
42. For what purpose is a trusted platform module (TPM) used?
    a. To store secrets securely
    b. To show battery percentage
    c. To stream movies
    d. To share files
    Answer: a. To store secrets securelytrustedcomputinggroup+1
43. What role does firmware play in hardware root of trust?
    a. It is verified for authenticity and integrity
    b. It makes devices colorful
    c. It increases keyboard speed
    d. It controls system fans
    Answer: a. It is verified for authenticity and integritysynopsys+1
44. Which best describes a root certificate authority in relation to root of trust?
    a. Establishes a base for all secure digital certificates
    b. Opens video files
    c. Converts temperature units
    d. Sets up alarms
    Answer: a. Establishes a base for all secure digital certificatesutimaco
45. Which mechanism in embedded systems security uses a hardware root of trust?
    a. Trusted execution environment
    b. Screen dimming
    c. Fan control
    d. Animation playback
    Answer: a. Trusted execution environmentblackberry.qnx
46. Which technology provides bulk encryption offloading via root of trust?
    a. System-on-a-chip (SoC)
    b. Monitor cable
    c. Speaker wire
    d. Printer drum
    Answer: a. System-on-a-chip (SoC)rambus+1
47. What is the consequence of a weak hardware root of trust implementation?
    a. Security vulnerabilities
    b. Extra keyboard functions
    c. Slower movie loading
    d. Lighter device weight
    Answer: a. Security vulnerabilitiessynopsys+1
48. What is the first step in establishing security during device power on?
    a. Root of trust verification
    b. Increasing screen brightness
    c. Loading wallpapers
    d. Changing device language
    Answer: a. Root of trust verificationdekra+1
49. Why is update mechanism part of root of trust responsibilities?
    a. To ensure only authentic and untampered firmware is installed
    b. To optimize music quality
    c. To print faster
    d. To connect to Wi-Fi
    Answer: a. To ensure only authentic and untampered firmware is installedsynopsys+1
50. How does hardware root of trust contribute to cybersecurity?
    a. Establishes trust and protects against advanced cyber threats
    b. Allows more video streaming
    c. Improves photo editing
    d. Adds color filters
    Answer: a. Establishes trust and protects against advanced cyber threatssynopsys+2

1. https://www.rambus.com/blogs/hardware-root-of-trust/
2. https://www.synopsys.com/glossary/what-is-root-of-trust.html
3. https://www.dekra.com/en/hardware-security/
4. https://www.synopsys.com/blogs/chip-design/hardware-root-of-trust-security.html
5. https://www.dornerworks.com/blog/hardware-root-of-trust/
6. https://blackberry.qnx.com/en/ultimate-guides/embedded-system-security
7. https://www.sciencedirect.com/topics/computer-science/root-of-trust
8. https://trustedcomputinggroup.org/wp-content/uploads/SANS-Implementing-Hardware-Roots-of-Trust.pdf
9. https://utimaco.com/service/knowledge-base/hardware-security-modules/what-root-trust
10. https://trustedcomputinggroup.org/about/what-is-a-root-of-trust-rot/
11. https://cpl.thalesgroup.com/faq/hardware-security-modules/what-root-trust
12. https://csrc.nist.gov/glossary/term/roots_of_trust
13. https://www.youtube.com/watch?v=CdZgQsvxNVU
14. https://www.slideshare.net/slideshow/computer-hardware-mcq-basic-to-advanced-question/273145064
15. https://www.scientecheasy.com/2021/11/computer-hardware-mcq.html/
16. https://www.yubico.com/authentication-standards/root-of-trust/
17. https://cbmceindia.com/blog/details/hardware-mcq-questions-and-answers/
18. https://examradar.com/fundamentals-of-computer-hardware-mcqs/
19. https://testbook.com/objective-questions/mcq-on-hardware–5eea6a1639140f30f369f54e
20. https://www.sanfoundry.com/1000-computer-fundamentals-questions-answers/