MCQs

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1. What is a synthetic full backup in server technology?
   a. A backup that copies all data from source each time
   b. A backup that uses only incremental backups
   c. A backup that synthesizes a full backup using existing full and incremental backups
   d. A backup that only restores individual files
   Answer: c.msp360+2
2. Which backup type is least likely to consume high bandwidth for regular full system copies?
   a. Differential backup
   b. Synthetic full backup
   c. Full backup
   d. Mirror backup
   Answer: b.stonefly+2
3. What is the primary benefit of a synthetic full backup over a traditional full backup?
   a. No restore capability
   b. Reduced backup and restore times
   c. Large bandwidth requirement
   d. Only usable on tapes
   Answer: b.techtarget+2
4. How is a synthetic full backup generally created?
   a. By copying all data over the network from client
   b. By combining previous full backup and incrementals
   c. By only replicating data locally
   d. By deleting original backups
   Answer: b.nakivo+2
5. What happens to unchanged data during a synthetic full backup?
   a. It is recopied over the network
   b. It is ignored
   c. It is referenced from previous backups
   d. It is deleted
   Answer: c.msp360+2
6. Which of these backup types does NOT require direct client data transfer for subsequent fulls?
   a. Active full backup
   b. Synthetic full backup
   c. Incremental backup
   d. Tape backup
   Answer: b.veritas+2
7. After a synthetic full backup, how does restore performance compare to incremental backups?
   a. Slower
   b. Much faster
   c. No difference
   d. Cannot restore
   Answer: b.storware+2
8. What disadvantage is associated with synthetic full backups?
   a. Higher bandwidth
   b. Longer backup creation time
   c. Frequent full transfers
   d. No restore points
   Answer: b.stonefly+2
9. Which backup schedule commonly uses synthetic fulls?
   a. Daily full and nightly differential
   b. Weekly full and daily incremental
   c. Monthly active full only
   d. No scheduled backups
   Answer: b.helpcenter.veeam+2
10. Which scenario best benefits from synthetic full backups?
    a. High change, high bandwidth
    b. Limited network bandwidth, frequent backups
    c. No restore requirements
    d. Only onsite storage
    Answer: b.msp360+2
11. Which operation supports creating a synthetic full in-cloud?
    a. Download only
    b. In-cloud data copying
    c. Client-side replication
    d. Tape export
    Answer: b.msp360+1
12. Which of these is a critical step in a synthetic full backup process?
    a. Running an active full backup
    b. Merging incremental and full backups in storage
    c. Deleting the entire backup chain
    d. Skipping unchanged data
    Answer: b.commvault+2
13. What is the main storage consideration for synthetic full backups?
    a. They always use more storage
    b. They optimize storage usage by referencing existing data
    c. They require separate physical servers
    d. They cannot be deduplicated
    Answer: b.storware+2
14. How frequently should synthetic fulls be scheduled in a typical enterprise?
    a. Only once
    b. Weekly or bi-weekly
    c. Every backup run
    d. Never
    Answer: b.helpcenter.veeam+2
15. Which vendors support synthetic full technology?
    a. Only open-source projects
    b. Several enterprise backup providers
    c. No known vendors
    d. Only tape backup providers
    Answer: b.nakivo+2
16. What does a synthetic full backup require to function?
    a. At least one full and subsequent incrementals
    b. Only differentials
    c. Only archives
    d. Only multiple tapes
    Answer: a.techtarget+2
17. What is typically deleted after a successful synthetic full backup?
    a. All client files
    b. Old incremental backups
    c. Synthetic incremental data of previous generation
    d. Source backup
    Answer: c.commvault+1
18. How are synthetic full backups triggered in Veeam Backup & Replication?
    a. Manual only
    b. On scheduled days, combining incrementals and previous fulls
    c. By copying from tapes
    d. Only after system restart
    Answer: b.helpcenter.veeam
19. What challenge may arise with tape-based storage and synthetic full backups?
    a. Sequential nature hinders in-tape copying
    b. Too much bandwidth
    c. Only restores partial data
    d. Requires no index
    Answer: a.commvault
20. Who performs most of the work during synthetic full backup creation?
    a. The backup client
    b. The backup server or storage repository
    c. The operating system
    d. The network switch
    Answer: b.msp360+2
21. Which of the following is NOT a benefit of synthetic full?
    a. Reduces restore time
    b. Reduces backup load on client
    c. Keeps storage unchanged
    d. Saves bandwidth
    Answer: c.msp360+2
22. What happens during a restore from a synthetic full backup?
    a. All increments must be restored
    b. The synthetic full image is restored directly
    c. Only the first backup is needed
    d. All data is fetched from the original client
    Answer: b.backblaze+2
23. Which backup chain is necessary for a synthetic full?
    a. Full plus incrementals
    b. Only incrementals
    c. Only differentials
    d. Only the latest file versions
    Answer: a.backblaze+2
24. Which method best describes synthetic full from a data transfer perspective?
    a. Fresh data transfer every time
    b. Maximum reuse of existing cloud/backup repository data
    c. Only uses client cache
    d. Deletes all prior versions
    Answer: b.storware+2
25. What is the restore time comparison between synthetic full and incremental backup chains?
    a. Synthetic is slower
    b. Synthetic is faster
    c. No difference
    d. Incremental is always fastest
    Answer: b.techtarget+1
26. Which of these roles are ideal for synthetic full technology?
    a. Small local backup
    b. Enterprise environments with frequent backup requirements
    c. Single file storage
    d. Uncompressed storage only
    Answer: b.stonefly+2
27. What is the impact of disk fragmentation on synthetic full efficiency?
    a. No impact
    b. Higher fragmentation decreases efficiency
    c. Higher fragmentation increases efficiency
    d. Fragmentation is required
    Answer: b.msp360
28. Which is not typically a step in the synthetic full process?
    a. Analyze backup chain
    b. Combine existing backups
    c. Copy unchanged data from client
    d. Write merged data to new full
    Answer: c.nakivo+2
29. Which of the following can synthetic full backups help reduce?
    a. Recovery objectives
    b. Storage and bandwidth usage
    c. Processing load only on clients
    d. Tape wear and tear
    Answer: b.stonefly+2
30. Where is most data movement performed during a synthetic full backup?
    a. On the production server
    b. Within the backup storage
    c. On remote clients
    d. On tape drives
    Answer: b.msp360+2
31. Which policy consideration is important for synthetic fulls?
    a. Scheduling only
    b. Retention and merge policies
    c. Backup encryption
    d. Client deduplication only
    Answer: b.commvault+1
32. Synthetic full backups allow organizations to do what more frequently?
    a. Take full backups
    b. Take only incremental
    c. Archive old data
    d. Skip all full backups
    Answer: a.storware+1
33. Which file systems may restrict synthetic full backup operations?
    a. Only NTFS
    b. Certain tape and archive file systems
    c. All modern file systems
    d. Only cloud storage
    Answer: b.commvault+1
34. What is a typical side-effect when running synthetic full on a busy server environment?
    a. Lower CPU usage
    b. Temporary increase in storage I/O
    c. Reduced network load
    d. Offline clients
    Answer: b.helpcenter.veeam+2
35. Which operation happens after creating synthetic full backup in some solutions?
    a. Old incrementals are purged
    b. Another full is scheduled immediately
    c. Client data is deleted
    d. Tape is replaced
    Answer: a.commvault+2
36. Which key setting should be enabled for running incremental and synthetic full backups together for file-system clients?
    a. Reconcile backup option
    b. Deduplication
    c. Indexing
    d. Compression
    Answer: a.commvault
37. Which attribute makes synthetic full attractive in cloud backup scenarios?
    a. Minimizes cloud egress
    b. Requires frequent restores
    c. Works only with LAN
    d. Redundant uploads
    Answer: a.msp360+2
38. Which of the following is required for synthetic full implementation?
    a. Support for in-cloud or on-repository merging
    b. Device-level scheduling
    c. On-client full backup support
    d. VM-only environments
    Answer: a.nakivo+2
39. Synthetic full backups are a combination of which backup types?
    a. Full and tape
    b. Incremental and differential only
    c. Previous full and all incremental backups
    d. Client-side cache and archives
    Answer: c.backblaze+2
40. How do incremental backup chains impact synthetic full backup performance?
    a. Longer chains may increase time to synthesize
    b. No effect
    c. Decrease storage usage
    d. Increases restore speed
    Answer: a.nakivo+1
41. On which storage types are synthetic fulls most efficient?
    a. Slow tape archives
    b. Cloud repositories and fast disk
    c. Optical media
    d. Only external drives
    Answer: b.msp360+2
42. What happens if a synthetic full backup is interrupted during in-cloud copying?
    a. New backup generation is deleted
    b. Backup continues
    c. Data is still valid
    d. Only incrementals are restored
    Answer: a.msp360
43. Which restores are simplified by synthetic full backups?
    a. File-level only
    b. Full system restores
    c. Only metadata restores
    d. No restores
    Answer: b.techtarget+2
44. Which is a typical result of a successful synthetic full backup?
    a. New restore point without excessive new uploads
    b. Entirely new full data from client
    c. Data is removed
    d. Backups are invalid
    Answer: a.msp360+2
45. Which is NOT a suitable use case for synthetic full backup?
    a. Regular enterprise disaster recovery
    b. Sparse incremental changes
    c. Volatile, high-frequency file changes
    d. Scheduled weekly backups
    Answer: c.storware+2
46. Which is true for incremental jobs during synthetic full backup creation in some systems?
    a. Can be run on file servers
    b. Always allowed in parallel
    c. Never permitted
    d. Only after synthetic full
    Answer: a.commvault
47. What is one limitation of synthetic full backup?
    a. Only works with non-incremental
    b. Not all storage providers support in-cloud merging
    c. Always slower than full
    d. Increases bandwidth
    Answer: b.nakivo+2
48. What is the backup chain?
    a. The network used for backup
    b. The sequence of full and incremental backups
    c. Encryption keys
    d. Backup interface
    Answer: b.helpcenter.veeam+2
49. In which backup format is synthetic full most advantageous?
    a. Large data sets, cloud or fast disk
    b. Slow tape formats
    c. Small, frequently deleted data
    d. Manual offline copies
    Answer: a.storware+2
50. What does the synthetic full process ultimately provide?
    a. A new full backup created efficiently without re-transferring all data
    b. Only incremental backup
    c. Deletes old restores
    d. Requires manual file merge
    Answer: a.techtarget+2

1. https://www.msp360.com/resources/blog/synthetic-full-backup-explained/
2. https://www.techtarget.com/searchdatabackup/feature/Full-incremental-or-differential-How-to-choose-the-correct-backup-type
3. https://www.nakivo.com/blog/what-is-synthetic-backup/
4. https://stonefly.com/resources/understanding-full-differential-incremental-synthetic-full-backups/
5. https://storware.eu/blog/full-incremental-differential-and-synthetic-full-backups-differences/
6. https://help.msp360.com/cloudberry-backup/backup/about-backups/new-backup-format/synthetic-full-backup
7. https://www.veritas.com/support/en_US/doc/86063237-127664549-0/v15109468-127664549
8. https://helpcenter.veeam.com/docs/backup/vsphere/synthetic_full_hiw.html
9. https://documentation.commvault.com/v11/commcell-console/synthetic_full_backups.html
10. https://documentation.commvault.com/2023e/commcell-console/frequently_asked_questions_for_synthetic_full_backups.html
11. https://www.backblaze.com/blog/whats-the-diff-full-incremental-differential-and-synthetic-full-backups/
12. https://www.scribd.com/document/819511159/NetBackup-100-MCQs-with-Answers-Complete
13. https://examradar.com/basic-principles-of-data-backup-and-recovery-mcqs/
14. https://www.sanfoundry.com/cloud-computing-questions-answers-backup-types/
15. https://www.scribd.com/document/494733005/CC-Complete-Mcq
16. https://testbook.com/objective-questions/mcq-on-cloud-technology–5eea6a0d39140f30f369e30f
17. https://community.commvault.com/self-hosted-q-a-2/synthetic-full-vs-full-backup-6593
18. https://www.computersprofessor.com/2018/12/multiple-choice-questions-and-answers.html
19. https://interviewkickstart.com/blogs/interview-questions/cloud-computing-mcqs-it-professionals
20. https://testbook.com/objective-questions/mcq-on-information-technology–63c7ed0b858cfd0089e1b266