Describe the Snapshots Data Protection Feature and Snapshot Creation UNITY-DEPLOY Practice Questions (Page 1)

Questions 1–5

1. 1foundation · easy

   What is the maximum number of snapshots that can be retained for a single storage resource on a Dell Unity system?

   • A1024
   • B512
   • C256
   • D128
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2. 2application · medium

   An organization runs a development environment on a Unity storage resource. Developers frequently make changes and sometimes need to revert to a known good state. The administrator wants to provide a simple way for developers to create recovery points before major changes, without requiring them to access the storage admin interface. What is the most suitable method?

   • AEnable scheduled snapshots that run every 15 minutes.
   • BInstruct developers to use the Unisphere GUI to create snapshots.
   • CCreate a single snapshot at the start of each day and keep it indefinitely.
   • DProvide developers with a script that uses the Unity REST API to create a snapshot on demand.
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4. 3foundation · easy

   What is the purpose of copy-on-first-write in Dell Unity snapshots?

   • ATo write new data to a different location and leave the original data untouched
   • BTo preserve the original data blocks before they are overwritten by new writes
   • CTo copy the entire storage resource to a new location before any changes are made
   • DTo compress data blocks before storing them in the snapshot
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5. 4application · medium

   A storage administrator is troubleshooting a performance issue on a Unity array. They notice that a storage resource with many snapshots is experiencing slower write performance than expected. What is the most likely cause?

   • AThe snapshots are being replicated to another array, causing network congestion.
   • BThe snapshots are using all available memory, causing the array to swap.
   • CThe snapshots are consuming too much CPU because they are continuously updated.
   • DThe copy-on-first-write process adds overhead to write operations because original blocks must be copied before being overwritten.
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6. 5application · medium

   A developer accidentally deleted a critical configuration file from a storage resource on a Unity array. A snapshot of the resource was taken earlier that day. The administrator needs to restore the file quickly without affecting other data that has changed since the snapshot. What is the best action?

   • AClone the snapshot and use the clone as the new production resource.
   • BRestore the entire storage resource from the snapshot.
   • CMount the snapshot and copy the deleted file back to the production resource.
   • DDelete the snapshot and recreate it from the current state.
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