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What is a snapshot in server technology?
a. A full system backup
b. A read-only, point-in-time image of a volume
c. A system restore file
d. A file compression method
Answer: bnetapp+1
The main purpose of a snapshot is to:
a. Encrypt user data
b. Provide a point-in-time recovery option
c. Boost network speed
d. Replace full backups
Answer: bstonefly+1
Which snapshot technique is most commonly used for its storage efficiency?
a. Tape-based copying
b. Copy-on-write
c. Image duplication
d. Continuous overwriting
Answer: bmemgraph+1
What storage overhead does a snapshot introduce immediately after creation, before any changes?
a. Large space usage
b. Negligible or minimal space usage
c. Double the used space
d. Instant full backup
Answer: bnetapp+1
In which scenario is taking snapshots particularly useful?
a. Replacing antivirus
b. Data mining and cloning
c. Increasing server RAM
d. Disabling malware detection
Answer: bstonefly
Which term best describes the way snapshots handle data changes after creation?
a. Rewrite all data
b. Track only changes (delta)
c. Ignore changes
d. Archive entire volumes
Answer: bmemgraph+1
What action can be performed using a snapshot?
a. Restore a single deleted file
b. Upgrade the operating system
c. Overwrite firmware
d. Disable server access
Answer: anetapp
What is the impact of frequent snapshots on system performance, as designed by ONTAP?
a. Major slowdown
b. Negligible overhead
c. Complete downtime
d. Frequent crashes
Answer: bnetapp
Which of the following is NOT a benefit of using snapshots?
a. Quick recovery
b. Large storage consumption
c. Instant backup
d. Ransomware protection
Answer: bcohesity+1
What policy is used to automate the creation of snapshots in storage systems?
a. Firewall policy
b. Snapshot policy
c. RAID level
d. Compression setting
Answer: bnetapp
Which mechanism is often used in database snapshots to store original data before changes?
a. Copy-on-write
b. Immediate replication
c. Synchronous mirroring
d. Tape backup
Answer: amemgraph
Which scenario would NOT benefit from snapshots?
a. Real-time data recovery
b. Transaction log analysis
c. Performance benchmarking
d. Immutable backup
Answer: cstonefly+1
In what format are snapshots typically stored?
a. Read-only image
b. Executable file
c. Compressed executable
d. Write-enabled volume
Answer: astonefly+1
What happens to a snapshot if the original data is changed after the snapshot’s creation?
a. The snapshot is updated
b. Snapshot retains original data
c. Snapshot is deleted
d. Snapshot compresses new data
Answer: bmemgraph
Which operation is often used to bring a server or data volume back to a previous state?
a. Rollback using snapshot
b. Virus scan
c. Hardware upgrade
d. Restart service
Answer: astonefly+1
How does a “redirect-on-write” snapshot differ from “copy-on-write”?
a. Redirects write operations to new blocks
b. Copies the entire volume every time
c. Deletes old data
d. Runs full backup on change
Answer: amemgraph
When are snapshots usually deleted in data replication workflows?
a. Never
b. After hydration on the target site
c. Before data backup
d. Before server maintenance
Answer: bstonefly
Which is NOT a common use-case for snapshot technology?
a. Software development version control
b. Quick restore after accidental file deletion
c. Zero-impact application backup
d. Data warehousing
Answer: acohesity+1
Snapshots are described as “immutable” in backup strategies. What does this mean?
a. Can be changed at will
b. Cannot be overwritten, deleted, or edited
c. Saves frequent modifications
d. Updates in real time
Answer: bstonefly
What is “WAFL” in the context of NetApp ONTAP snapshots?
a. Write-Ahead Fast Log
b. Write Anywhere File Layout
c. Windowed Access File Locator
d. WAN Allocation File Layer
Answer: bnetapp
Which best explains the benefit of minimal storage use by snapshots?
a. No new files ever
b. Only changes are stored, not the entire dataset
c. Full duplicate is created
d. Hardware upgrade required
Answer: bmemgraph+1
How do most snapshot techniques affect network bandwidth?
a. High bandwidth usage
b. Consume less bandwidth than traditional backups
c. Block network ports
d. Require dedicated network cards
Answer: bstonefly
What is typically required for a snapshot recovery?
a. Access to the snapshot file
b. Hardware replacement
c. Virtual machine rebuild
d. Deletion of live data
Answer: anetapp
In a clustered environment, why are snapshots used?
a. Node isolation only
b. Node data consistency
c. Increase storage cost
d. Disable multi-node access
Answer: bscribd
Which method can minimize the downtime needed for backups?
a. Traditional tape backup
b. Snapshot-based backup
c. Manual copying
d. Cloud-only storage
Answer: bstonefly
Which backup type involves capturing the state at a specific point?
a. Continuous backup
b. Snapshot backup
c. Incremental backup
d. Full backup
Answer: bcohesity+1
What is the primary advantage of snapshot technology for data protection?
a. Frequent, fast backups
b. Always-on full data copies
c. Eliminates server failures
d. Requires too much storage
Answer: acohesity+1
The process of retaining old data in a snapshot after a write operation is referred to as:
a. Overwriting
b. Copy-on-write
c. Rapid copy
d. Synchronous cache
Answer: bmemgraph+1
After a snapshot, what happens to ongoing changes in most systems?
a. Recorded in snapshot area
b. Ignored
c. Lost forever
d. Written to cloud only
Answer: amemgraph+1
How does snapshot technology contribute to reducing RPO (Recovery Point Objective)?
a. By providing fast, frequent capture points
b. By deleting old backups
c. By archiving logs
d. By compressing files
Answer: acohesity+1
What allows point-in-time restoration using snapshots?
a. Volume-level record of data at creation
b. Continuous overwrite
c. Data deduplication
d. Automated file deletion
Answer: anetapp+1
When are snapshot-based backups typically scheduled?
a. Only on weekends
b. Any scheduled time, often automated
c. Manually once a year
d. Never automatically
Answer: bnetapp+1
What is a key factor to consider when evaluating a vendor’s snapshot solution?
a. Support for immutability and automation
b. Number of cloud providers
c. Number of servers sold
d. Frequency of hardware failures
Answer: astonefly
Which database management system supports snapshot isolation for concurrency?
a. Oracle
b. SQL Server
c. PostgreSQL
d. All of the above
Answer: dsanfoundry
What is the role of Write-Ahead Logging (WAL) in snapshot-based systems?
a. To record all changes since the last snapshot
b. To encrypt data
c. To export files
d. To compress databases
Answer: amemgraph
Which is NOT a common snapshot implementation technique?
a. Copy-on-write
b. Redirect-on-write
c. Full overwrite
d. Full copy
Answer: cmemgraph
What differentiates a full copy snapshot approach from copy-on-write?
a. Full copy saves the entire state at snapshot time
b. Full copy is more space efficient
c. Copy-on-write stores less data immediately
d. Full copy is hypervisor specific
Answer: amemgraph
What advantage do snapshots provide over traditional backups for recovering specific files?
a. Faster access to point-in-time versions
b. Requires more storage
c. Slower recovery
d. Always replaces full backups
Answer: anetapp+1
What is typically NOT stored in a snapshot?
a. Only new and changed data blocks
b. Files deleted before snapshot creation
c. The entire disk again
d. Metadata required to reconstruct previous state
Answer: cnetapp+1
What is a potential risk of excessive snapshot accumulation?
a. Consumes all available storage
b. Increases server speeds
c. Disables all backups
d. Erases original data
Answer: acohesity+1
Which feature do some storage solutions provide to limit the number of snapshots retained?
a. Snapshot retention policy
b. RAID rebuild
c. Auto-format
d. Deduplication only
Answer: acohesity+1
What does a snapshot NOT do?
a. Provide immediate rollback
b. Prevent all data loss
c. Allow point-in-time recovery
d. Consume less space than full backups
Answer: bcohesity+1
In server snapshot management, what is typically defined by a policy?
a. Scheduling, retention, and naming of snapshots
b. Disk formatting
c. Partition resizing
d. Data encryption settings
Answer: anetapp
Which of the following describes the lifespan of most snapshots?
a. Fixed by hardware
b. Can be limited by software policy
c. Permanent forever
d. Up to system administrator discretion
Answer: bstonefly+1
Which statement about data integrity and snapshot is correct?
a. Snapshots help ensure data integrity during backup
b. Snapshots break objects
c. Snapshots delete live data
d. Snapshots require RAID 0
Answer: astonefly+1
How does snapshot help during disaster recovery?
a. Enables quick restore to known good state
b. Prevents power outages
c. Encrypts the whole disk
d. Triggers hardware alerts
Answer: acohesity+1
What problem can database snapshots help to avoid?
a. Lost update problem
b. Network congestion
c. Data deduplication
d. Tape labeling errors
Answer: asanfoundry
Which option below accurately describes point-in-time images?
a. Snapshots
b. Event logs
c. Access logs
d. Syslog messages
Answer: anetapp+1
What is an immediate benefit after a snapshot is taken?
a. Protection from accidental file deletions
b. Permanent backup
c. No change in write performance
d. Improved CPU speeds
Answer: astonefly+1
How do snapshot policies assist administrators?
a. Automate and manage snapshot timing and retention
b. Require manual backup tracking
c. Increase backup times
d. Make recovery harder
Answer: anetapp

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