MCQs

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1. A Self-Encrypting Drive (SED) primarily secures data using:
   a. Software-based encryption
   b. Hardware-based encryption
   c. Manual encryption configuration
   d. Biometric authentication
   Answer: bsecuredata+1​
2. The encryption process in an SED occurs at the:
   a. Operating system level
   b. Application level
   c. Hardware level
   d. Network layer
   Answer: cjumpcloud+1​
3. The encryption key used by an SED is known as:
   a. Public Encryption Key (PEK)
   b. Data Encryption Key (DEK)
   c. Master Access Key (MAK)
   d. Session Key (SK)
   Answer: btrentonsystems+1​
4. SEDs most commonly use which algorithm for encryption?
   a. RSA-1024
   b. AES-256
   c. MD5
   d. SHA-1
   Answer: bthorteaches+1​
5. Which feature allows SEDs to delete data instantly by destroying the encryption key?
   a. Data masking
   b. Secure erase
   c. Data compression
   d. Format overwrite
   Answer: blenovopress.lenovo+1​
6. The key used in SEDs is stored:
   a. In the system RAM
   b. On the drive controller
   c. In the cloud storage
   d. In BIOS memory
   Answer: bsecuredata+1​
7. A major advantage of SEDs over software encryption is:
   a. Slower system speeds
   b. Hardware-level performance
   c. Cloud dependency
   d. Larger storage capacity
   Answer: brtech+1​
8. Self-Encrypting Drives automatically encrypt and decrypt data:
   a. Only when authorized by admin
   b. Without user intervention
   c. Only during scheduled tasks
   d. Manually by encryption software
   Answer: btrentonsystems+1​
9. SEDs primarily protect data:
   a. In transit
   b. At rest
   c. In execution
   d. After deletion
   Answer: bjumpcloud+1​
10. A core compliance framework for SEDs is:
    a. PCI DSS
    b. TCG Opal
    c. ISO 4001
    d. HIPAA
    Answer: bseagate+1​
11. The process of cryptographic erasure in SEDs is also called:
    a. Crypto-shred
    b. Data-wipe
    c. Format reset
    d. Secure erase
    Answer: alenovopress.lenovo+1​
12. SED performance is typically:
    a. Lower than software encryption
    b. Higher due to hardware encryption
    c. Dependent on OS capability
    d. Reduced under load
    Answer: brtech+1​
13. If the encryption key is lost, data on the SED is:
    a. Recoverable using admin mode
    b. Permanently inaccessible
    c. Stored in backup memory
    d. Automatically restored
    Answer: bsecuredata+1​
14. SED provides protection mainly against:
    a. Network attacks
    b. Drive theft
    c. Malware
    d. Phishing
    Answer: bseagate+1​
15. The operation of SED encryption is:
    a. Dependent on host CPU
    b. Independent of the OS
    c. Synchronized with BIOS
    d. OS-level dependent
    Answer: bthorteaches+1​
16. When a Self-Encrypting Drive is removed from a computer:
    a. Data becomes unreadable
    b. Data remains accessible
    c. Encryption is disabled
    d. OS decrypts files
    Answer: aseagate+1​
17. Which security issue can occur if an SED’s encryption algorithm is weak?
    a. Brute-force protection
    b. Insecure encryption methods
    c. Performance boost
    d. Automatic patching
    Answer: brtech​
18. The encryption and decryption in an SED are controlled by the:
    a. System BIOS
    b. Drive controller
    c. OS kernel
    d. Virtual TPM
    Answer: bjumpcloud+1​
19. A significant risk associated with SEDs is:
    a. Data loss if key is lost
    b. Unauthorized network access
    c. Malware infection
    d. Physical theft immunity
    Answer: asecuredata+1​
20. The system performance impact of an SED compared to software encryption is:
    a. Higher
    b. Equal
    c. Lower
    d. Negligible
    Answer: drtech+1​
21. Which cryptographic method is generally adopted by SEDs to ensure strong encryption?
    a. AES symmetric encryption
    b. RSA asymmetric encryption
    c. DES hashing
    d. Diffie-Hellman key exchange
    Answer: ajumpcloud+1​
22. The authentication method commonly used to unlock an SED is:
    a. Security key or password
    b. Cloud validation
    c. Fingerprint only
    d. TPM-only identity
    Answer: alenovopress.lenovo+1​
23. The transparent nature of SED encryption means:
    a. Manual configuration required
    b. User is unaware of encryption
    c. Requires kernel adjustments
    d. Constant CPU usage
    Answer: bsecuredata+1​
24. Which organizations benefit most from SEDs?
    a. Media firms
    b. Enterprises needing secure data storage
    c. Home users
    d. Software developers
    Answer: blenovopress.lenovo+1​
25. The process of secure drive disposal using SED is simplified by:
    a. Cryptographic erase
    b. Physical drive smashing
    c. Bit-by-bit overwriting
    d. File shredding
    Answer: atrentonsystems+1​
26. An SED differs from full disk encryption because it:
    a. Uses software encryption
    b. Encrypts data within the drive controller
    c. Requires CPU cycles
    d. Stores data unencrypted in cache
    Answer: bseagate+1​
27. The SED’s security relies heavily on:
    a. Integrity of its encryption key
    b. CPU temperature
    c. File system type
    d. Network firewall
    Answer: atrentonsystems+1​
28. Which security standard defines the interface for managing SEDs?
    a. TCG Opal
    b. ISO 7002
    c. FIPS 198
    d. NIST 502
    Answer: athorteaches+1​
29. The function that deletes the encryption key to disable all stored data is:
    a. Lock wipe
    b. Secure erase
    c. Key sanitize
    d. Crypto erase
    Answer: dtrentonsystems+1​
30. Which SED feature prevents CPU resource consumption during encryption?
    a. Hardware acceleration
    b. Key caching
    c. Kernel bypass
    d. Thread scheduling
    Answer: ajumpcloud+1​
31. A disadvantage of SEDs is:
    a. Performance degradation
    b. Limited OS compatibility
    c. No compliance options
    d. Software dependency
    Answer: brtech​
32. The main type of encryption used by SEDs is:
    a. Symmetric encryption
    b. Asymmetric encryption
    c. Hybrid encryption
    d. Stream cipher
    Answer: asecuredata+1​
33. In SEDs, secure erase can occur in:
    a. Seconds
    b. Hours
    c. Minutes
    d. Milliseconds
    Answer: asecuredata​
34. The DEK of an SED is generated by:
    a. The drive itself
    b. The OS kernel
    c. The BIOS
    d. The TPM
    Answer: atrentonsystems​
35. A potential vulnerability of SEDs arises if:
    a. Weak firmware encryption
    b. High encryption overhead
    c. Use of solid-state drives
    d. Fast decryption time
    Answer: acomputerweekly+1​
36. The encryption performed by SEDs is applied to:
    a. User-selected files
    b. All data automatically
    c. Cloud storage only
    d. Shared drive partitions
    Answer: bjumpcloud+1​
37. Which encryption mechanism do SEDs employ to protect keys?
    a. Hardware key storage
    b. Software key derivation
    c. TPM microcode
    d. Server-based key escrow
    Answer: ajumpcloud+1​
38. A secure erase in SEDs is also considered equivalent to:
    a. Factory reset
    b. Bit deletion
    c. File deletion
    d. Partition repair
    Answer: atrentonsystems​
39. SEDs prevent unauthorized access if the drive is:
    a. Formatted
    b. Removed from host
    c. Shared via LAN
    d. Mounted by guest OS
    Answer: bseagate+1​
40. What is a real-world benefit of SEDs for IT departments?
    a. Simplified key management
    b. Increased CPU usage
    c. Manual encryption setup
    d. Slower encryption speeds
    Answer: alenovopress.lenovo+1​
41. Compliance guidelines often requiring SEDs include:
    a. GDPR, HIPAA
    b. TCP/IP
    c. ICANN
    d. TELNET
    Answer: alinkedin+1​
42. To unlock an SED, users must authenticate using:
    a. Password or token
    b. CPU serial number
    c. Cloud key sync
    d. OS license key
    Answer: asecuredata+1​
43. The SED’s encryption process is invisible to:
    a. The user and OS
    b. The BIOS
    c. TPM modules
    d. Network cards
    Answer: ajumpcloud+1​
44. SEDs eliminate software encryption’s:
    a. CPU performance cost
    b. Drive failure risk
    c. Unauthorized data deletion
    d. Encryption limits
    Answer: artech+1​
45. Data recovery on an SED after secure erase is:
    a. Impossible
    b. Partially possible
    c. Time consuming
    d. Fully reversible
    Answer: atrentonsystems+1​
46. SEDs are especially useful for:
    a. Mobile devices and laptops
    b. Media streaming
    c. Firmware debugging
    d. Gaming consoles
    Answer: acrucial+1​
47. The feature that instantly secures active data upon theft is:
    a. Auto-lock
    b. Timeout encryption
    c. Data mask
    d. Remote lockdown
    Answer: alenovopress.lenovo​
48. When comparing to software FDE, SEDs are:
    a. Faster and more secure
    b. Slower but simpler
    c. Hardware-dependent and slow
    d. Cloud-reliant only
    Answer: artech+1​
49. The SED encryption type protects against:
    a. Cold boot and RAM attacks
    b. SQL injection
    c. Phishing
    d. Malware
    Answer: ajumpcloud+1​
50. Hardware encryption in SEDs ensures that:
    a. Data can’t be decrypted without authentication
    b. Encryption depends on OS version
    c. Passwords reuse is enabled
    d. Only local networks can access
    Answer: asecuredata+1​

1. https://www.securedata.com/blog/what-are-self-encrypting-drives
2. https://jumpcloud.com/it-index/what-is-a-self-encrypting-drive-sed
3. https://www.trentonsystems.com/en-us/resource-hub/blog/self-encrypting-drives
4. https://thorteaches.com/glossary/self-encrypting-drive-sed/
5. https://lenovopress.lenovo.com/tips0761-self-encrypting-drives-for-system-x
6. https://rtech.support/disks/encryption/sed/
7. https://www.seagate.com/blog/what-are-self-encrypting-drives/
8. https://www.computerweekly.com/feature/Storage-101-Self-encrypting-drives-benefits-and-limitations
9. https://www.linkedin.com/advice/1/what-benefits-drawbacks-using-self-encrypting
10. https://www.crucial.in/articles/about-ssd/self-encrypting-ssd-for-data-security
11. https://www.igmguru.com/blog/cyber-security-mcqs
12. https://www.interviewbit.com/cyber-security-mcq/
13. https://testbook.com/objective-questions/mcq-on-cyber-security-and-emerging-technologies–5eea6a0d39140f30f369e309
14. https://automationcommunity.com/100-mcqs-mastery-on-cybersecurity/
15. https://www.studocu.com/in/document/sikkim-manipal-university/information-communication-technology/mcq-question-with-detailed-solution/30475590
16. https://testbook.com/objective-questions/mcq-on-network-security–5eea6a0939140f30f369d917
17. https://technicalblog.in/languagewise-mcqs/cyber-security-mcq/
18. https://www.sanfoundry.com/1000-cyber-security-questions-answers/
19. https://sharncommerce.org/wp-content/uploads/2024/03/B.com-V-Sem-NEP-Cyber-Security-Solved-MCQs.pdf
20. https://www.scribd.com/document/811932125/CYBER-SECURITY-SCORE-BOOSTER