Find the Best CompTIA DataSys+ Study Guide to Make Preparation: DS0-001 Dumps with Real Questions

1. Over the weekend, a company’s transaction database was moved to an upgraded server. All validations performed after the migration indicated that the database was functioning as expected. However, on Monday morning, multiple users reported that the corporate reporting application was not working.

Which of the following are the most likely causes? (Choose two.)

2. Given the following customer table:

Which of the following ORM snippets would return the ID, state, and country of all customers with the newest customers appearing first?

A)

B)

C)

D)

3. A DBA is reviewing the following logs to determine the current data backup plan for a primary data server:

Which of the following best describes this backup plan?

4. A database administrator needs to ensure that a newly installed corporate business intelligence application can access the company’s transactional data.

Which of the following tasks should the administrator perform first?

5. Which of the following scripts would set the database recovery model for sys.database?

A)

B)

C)

D)

6. A database administrator is conducting a stress test and providing feedback to a team that is developing an application that uses the Entity Framework.

Which of the following explains the approach the administrator should use when conducting the stress test?

7. A database administrator is creating a table, which will contain customer data, for an online business.

Which of the following SQL syntaxes should the administrator use to create an object?

A)

B)

C)

D)

8. A database administrator wants to remove inactive customers from a database.

Which of the following statements should the administrator use?

A)

B)

C)

D)

9. Release

10. A company wants to deploy a new application that will distribute the workload to five different database instances. The database administrator needs to ensure that, for each copy of the database, users are able to read and write data that will be synchronized across all of the instances.

Which of the following should the administrator use to achieve this objective?

11. A database administrator manages a database server that is running low on disk space. A lot of backup files are stored on the server's disks.

Which of the following is the best action for the administrator to take?

12. A business analyst is using a client table and an invoice table to create a database view that shows clients who have not made purchases yet.

Which of the following joins is most appropriate for the analyst to use to create this database view?

13. A database administrator would like to create a table named XYZ.

Which of the following queries should the database administrator use to create the table?

A)

B)

C)

D)

14. A database administrator needs to provide access to data from two different tables to multiple group users in order to facilitate ongoing reporting. However, some columns in each table are restricted, and users should not be able to see the values in these columns.

Which of the following is the best action for the administrator to take?

15. Which of the following describes a scenario in which a database administrator would use a relational database rather than a non-relational database?

16. A database administrator set up a connection for a SQL Server instance for a new user, but the administrator is unable to connect using the user's workstation.

Which of the following is the most likely cause of the issue?

17. A group of developers needs access to a database in a development environment, but the database contains sensitive data.

Which of the following should the database administrator do before giving the developers access to the environment?

18. A database administrator needs to aggregate data from multiple tables in a way that does not impact the original tables, and then provide this information to a department.

Which of the following is the best way for the administrator to accomplish this task?

19. A database administrator is migrating the information in a legacy table to a newer table. Both tables contain the same columns, and some of the data may overlap.

Which of the following SQL commands should the administrator use to ensure that records from the two tables are not duplicated?

20. A company is launching a proof-of-concept, cloud-based application. One of the requirements is to select a database engine that will allow administrators to perform quick and simple queries on unstructured data.

Which of the following would be best suited for this task?

21. A database administrator needs to ensure database backups are occurring on a daily basis and at scheduled times.

Which of the following actions should the administrator take?

22. Which of the following is a result of an on-path attack on a system?

23. Which of the following is the best way to migrate a large data load from one table to another, considering total time and blocking?

24. Following a security breach, a database administrator needs to ensure users cannot change data unless a request is approved by the management team.

Which of the following principles addresses this issue?

25. A programmer wants to configure a database to only allow read or write access when requests are coming from specific IP addresses.

Which of the following can be used to configure IP addresses to allow access to the database?

26. A company needs to prepare a document that establishes the responsibilities, metrics, penalties, and other generalities that a provider would have to fulfill for customers to use its platforms.

Which of the following documents meets these requirements?

27. A DBA left the company, and the DBA's account was removed from the system. Soon after, scheduled jobs began failing.

Which of the following would have most likely prevented this issue?

28. A database is configured to use undo management with temporary undo enabled. An UPDATE is run on the table.

Which of the following describes where the undo is stored?

29. Which of the following concepts applies to situations that require court files to be scanned for permanent reference and original documents be stored for ten years before they can be discarded?

30. Which of the following is a potential issue raised by enterprise database users?