MCQs

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Overall MCQs for Reference

1. Which of the following is NOT a typical cause of restore failure in server environments?
   a. Corrupt backup file
   b. Incorrect permissions
   c. Up-to-date drivers
   d. Hardware failure
   Answer: clearn.microsoft+1
2. What should be the first step when a restore operation fails?
   a. Replace the server
   b. Analyze the error logs
   c. Reboot the client
   d. Format the disk
   Answer: bveritas+1
3. Media-related errors during restore often indicate:
   a. Network configuration
   b. File corruption
   c. Upgrade completion
   d. User permissions
   Answer: blearn.microsoft
4. Which SQL Server log file helps diagnose backup and restore issues?
   a. master
   b. tempdb
   c. dbclient
   d. msdb
   Answer: cveritas
5. A restore fails because the destination disk is full. How should this be resolved?
   a. Delete database users
   b. Expand disk space
   c. Change SQL version
   d. Add more CPUs
   Answer: blearn.microsoft
6. What can cause ‘media family on device is incorrectly formed’ errors?
   a. Hardware errors
   b. Network congestion
   c. Software updates
   d. Excess RAM
   Answer: alearn.microsoft
7. Permissions error during restore often relates to:
   a. File extension type
   b. User executing restore
   c. Memory cache size
   d. Disk bus type
   Answer: bsalesforce
8. A restore fails with ‘file not found.’ Likely issue is:
   a. Incorrect path specified
   b. Power supply failure
   c. CPU overheating
   d. RAID controller error
   Answer: averitas+1
9. Which option should be used during backup to reduce restore errors due to corruption?
   a. NOINIT
   b. CHECKSUM
   c. ENCRYPT
   d. COMPRESSION
   Answer: blearn.microsoft
10. What is the effect of a network failure in remote restores?
    a. Slow write speeds
    b. Incomplete restores
    c. Automatic recovery
    d. Enhanced security
    Answer: btechtarget+1
11. A frequent source of restore failure when using tape backups is:
    a. Outdated tape drivers
    b. Excess CPU
    c. Multiple network cards
    d. Fresh firmware
    Answer: averitas+1
12. Which type of server issue most commonly prohibits restore due to incomplete data transfer?
    a. Connectivity problems
    b. Driver conflicts
    c. Unused ports
    d. Updated Antivirus
    Answer: atechtarget+1
13. Restoring a backup to a different SQL Server version than it was generated from may result in:
    a. Compatibility errors
    b. Lower speed
    c. Duplicate records
    d. Enhanced logging
    Answer: averitas+1
14. What is a best practice when restoring critical data to avoid failure?
    a. Restore to production directly
    b. Verify backup integrity first
    c. Skip system logs
    d. Disable firewalls
    Answer: btechtarget+1
15. If access to a backup file is denied during restore, the administrator should:
    a. Change file ownership/permissions
    b. Format the system
    c. Delete the backup
    d. Update Java
    Answer: asalesforce
16. Which Windows log can be examined for hardware problems affecting restore?
    a. System event log
    b. IIS log
    c. Access log
    d. HTTP log
    Answer: alearn.microsoft
17. Large ‘msdb’ restore history can cause what issue?
    a. Slower restore operations
    b. Faster performance
    c. Lower disk usage
    d. Incomplete logs
    Answer: alinkedin
18. When restoring, encountering an ‘invalid login credentials’ error suggests:
    a. Permission misconfiguration
    b. Disk fragmentation
    c. Deprecated features
    d. High memory utilization
    Answer: aibm+1
19. What step helps confirm backup completeness before restore?
    a. Use Restore HeaderOnly
    b. Skip transaction logs
    c. Use tempdb
    d. Run DBCC Clonedatabase
    Answer: alearn.microsoft
20. Which is NOT a solution for backup/restore file corruption?
    a. Use robocopy to transfer backup files
    b. Ignore checksums
    c. Use backup CHECKSUM
    d. Create a new backup set
    Answer: blearn.microsoft
21. A common error if restoring to a new hardware server is:
    a. Driver incompatibility
    b. DNS conflict
    c. Firmware mismatch
    d. Hardware overheating
    Answer: akirbtech+1
22. If database backup history is not maintained, what may happen?
    a. Recovery is impossible
    b. Restore processes may be incomplete
    c. Backups restore faster
    d. Permissions are reset
    Answer: blinkedin+1
23. Why should patch levels of OS and DBMS be reviewed before restore?
    a. Incompatibilities may cause failures
    b. More free space
    c. Enhanced logging
    d. Reduced security
    Answer: atechtarget+1
24. Directly restoring over a running database can result in:
    a. Data conflicts or corruption
    b. Increased speed
    c. Enhanced indexing
    d. Automatic failback
    Answer: atechtarget+1
25. Which is a reliable method to check for backup file modification during transfer?
    a. Compare hash checksums before/after
    b. Ping server
    c. Check RAM usage
    d. Review BIOS logs
    Answer: alearn.microsoft
26. Multiple backup jobs overlapping may slow restore due to:
    a. Lock contention in msdb
    b. CPU spiking
    c. Network throttling
    d. Server reboot
    Answer: alinkedin
27. A ‘device not ready’ error during restore is likely due to:
    a. Offline or disconnected backup device
    b. Antivirus exclusion
    c. NTFS fragmentation
    d. Excess read cache
    Answer: asalesforce+1
28. Which account is best practice for running restore operations?
    a. Account with least privilege and required permissions
    b. Local guest user
    c. Anonymous user
    d. Standard user with no rights
    Answer: asalesforce
29. What is one reason storing backups only locally is a risk for restores?
    a. Local failures may render backups inaccessible
    b. They consume less bandwidth
    c. Programmers prefer it
    d. It increases performance
    Answer: akirbtech+1
30. In SQL restores, missing encryption keys cause:
    a. Restore to fail for encrypted backups
    b. Successful unencrypted restore
    c. Repair of logs
    d. Quicker operations
    Answer: atimradney
31. Attempting to restore a compressed backup file on an unsupported system may cause:
    a. Restore failure
    b. Password reset
    c. Larger files
    d. Increased CPU speed
    Answer: alearn.microsoft
32. Restoring with insufficient administrative rights results in:
    a. Access denied error
    b. Automated escalation
    c. System restart
    d. Data deduplication
    Answer: asalesforce
33. Undoing a partial restore operation is called:
    a. Rollback
    b. Healing
    c. Rebooting
    d. Defragment
    Answer: averitas+1
34. What does VERIFYONLY do before restore?
    a. Confirms backup file integrity
    b. Deletes logs
    c. Increases performance
    d. Shrinks database
    Answer: alearn.microsoft
35. Hardware errors not recorded in server logs are best detected by:
    a. Running hardware diagnostics
    b. Reviewing application logs only
    c. Adding more RAM
    d. Virus scanning
    Answer: akirbtech+1
36. If a backup file restores successfully on server A but fails on server B, a likely cause is:
    a. File corruption during network transfer
    b. Older firmware on server A
    c. More RAM in server B
    d. Incompatible RAID
    Answer: alearn.microsoft
37. What process can cause restore failures due to errors in the backup process itself?
    a. Backing up a corrupted database
    b. Disabling SQL Agent
    c. Upgrading RAM
    d. Changing user permissions
    Answer: alearn.microsoft
38. Database connection errors during restore most often result from:
    a. Network configuration or firewall issues
    b. Spare drives
    c. Deleting logs
    d. Running maintenance tasks
    Answer: asalesforce+1
39. To reduce restore failures, what policy should be established for backup media?
    a. Regular media rotation and validation
    b. Fixed backup file locations
    c. Single tape backup per week
    d. Using only compressed files
    Answer: akirbtech+1
40. Which disk issue would not directly result in restore failure?
    a. Ample free space
    b. Media corruption
    c. Write errors
    d. Disk offline
    Answer: alearn.microsoft
41. Restoring onto a database with active transactions generally results in:
    a. Restore failure or rollback
    b. Increased backup speed
    c. Lower security requirements
    d. Transaction promotion
    Answer: averitas+1
42. Backup software incompatibility with new OS patches may cause:
    a. Restore operation failure
    b. Faster disk writes
    c. Root account escalation
    d. Free RAM increase
    Answer: atechtarget+1
43. Damaged system logs can cause restore:
    a. Failure or incomplete restores
    b. Higher backup speed
    c. Automated patching
    d. User lockout
    Answer: alearn.microsoft
44. To ensure backup file consistency, which command/check is recommended before restoration?
    a. Backup file checksum verification
    b. Add new database user
    c. Log truncation
    d. Disable TCP
    Answer: alearn.microsoft
45. Off-site backups are recommended because:
    a. They mitigate the risk of local system failures
    b. They enhance CPU performance
    c. Compress network packets
    d. Invalidate local media
    Answer: akirbtech+1
46. Regular maintenance that helps avoid restore failures includes:
    a. Disk check, update patches, validate backups
    b. System registry cleanup only
    c. Defragment large files
    d. Activate user accounts
    Answer: atechtarget+1
47. Sudden server power loss during a restore is likely to cause:
    a. Incomplete or corrupted restore
    b. Recreation of indexes
    c. Automated role change
    d. Corrected permissions
    Answer: akirbtech+1
48. MS SQL ‘restore headeronly’ is used to:
    a. View attributes of backup media
    b. Clean up disk
    c. Upgrade software
    d. Uninstall antivirus
    Answer: alearn.microsoft
49. Attempting to restore without resolving underlying backup failure leads to:
    a. Restore failure
    b. Fast restore
    c. Added users
    d. Lost encryption
    Answer: atechtarget+1
50. Best prevention method for restore failures is:
    a. Regular testing of backups and restore processes
    b. Skipping routine backup
    c. Using same media indefinitely
    d. Disabling logs
    Answer: akirbtech+2

1. https://learn.microsoft.com/en-us/troubleshoot/sql/database-engine/backup-restore/backup-restore-operations
2. https://help.salesforce.com/s/articleView?id=001453707&language=en_US&type=1
3. https://www.veritas.com/support/en_US/article.100016926
4. https://www.techtarget.com/searchdatacenter/tip/How-to-prevent-and-recover-from-server-failure
5. https://www.linkedin.com/pulse/troubleshooting-sql-backup-restore-problems-stellardatarecovery
6. https://www.ibm.com/docs/en/api-connect/10.0.x_cd?topic=integration-troubleshooting-backup-restore
7. https://kirbtech.com/common-server-problems/
8. https://www.timradney.com/common-issues-with-sql-server-backups/
9. https://www.sanfoundry.com/sqlserver-mcqs-recovery/
10. https://www.sanfoundry.com/database-mcqs-recovery/
11. https://testbook.com/objective-questions/mcq-on-recovery–5eea6a1539140f30f369f370
12. https://examradar.com/basic-principles-of-data-backup-and-recovery-mcqs/
13. https://aticleworld.com/windows-server-mcq/
14. https://www.scribd.com/document/479829582/Dcs-Mcqs
15. https://mcqs.club/computer-fundamental-mcqs/business-continuity-and-disaster-recovery-mcqs-cisa/
16. https://invenioit.com/continuity/disaster-recovery-scenarios-test/
17. https://testbook.com/objective-questions/mcq-on-information-technology–63c7ed0b858cfd0089e1b266
18. https://severalnines.com/blog/6-common-failure-scenarios-mysql-mariadb-and-how-fix-them/
19. https://cloud.google.com/architecture/dr-scenarios-for-applications
20. https://www.sqlshack.com/sql-interview-questions-on-database-backups-restores-and-recovery-part-i/