Practice Test 3 | Google Cloud Certified Professional Data Engineer | Dumps | Mock Test
A system managed by your company is using Datastore as NoSQL database for data storage. In the last meeting, your team decided that a compulsory daily backup should be done for Datastore for future recovery in case of data loss or uncontrolled manipulation. You are tasked to implement a way to do daily backups of the data in Datastore. What would you do?
A. From Google Cloud console, you can schedule daily backups specifying which Storage bucket and path location to be exported to.
B. Import data to BigQuery, run a query to select data for the past 24 hours and export the results to Google Storage.
C. Create a BigTable cluster to be used as a backup database. Import whole data from Datastore to BigTable every day.
D. Using gcloud command, run a cron job to export Datastore data to Google Storage. You may import the data later using gcloud when needed.
Correct Answer: D
With the managed export and import service, you can recover from the accidental deletion of data and export data for offline processing. You can export all entities or just specific kinds of entities. Likewise, you can import all data from export or only from specific kinds of entities.
For exporting all entities, use the gcloud datastore export command to export all entities in your database. You can add the –async flag to prevent the gcloud tool from waiting for the operation to complete.
Source(s):
Datastore – Exporting and Importing Entities:
https://cloud.google.com/datastore/docs/export-import-entities
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