DS0-001Preview

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?

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?

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?

Which of the following is the deployment phase in which a DBA ensures the most recent patches are applied to the new database?

Which of the following types of RAID, if configured with the same number and type of disks, would provide the best write performance?

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?

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.)

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 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?

Which of the following is part of logical database infrastructure security?

A database administrator would like to extract a sales performance report from more than one database instance. Which of the following keywords should the database administrator use?

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?

Which of the following firewall types allows an administrator to control traffic and make decisions based on factors such as connection information and data flow communications?

Which of the following statements contains an error?

An automated script is using common passwords to gain access to a remote system. Which of the following attacks is being performed?

Which of the following computer services associates IP network addresses with text-based names in order to facilitate identification and connectivity?

Which of the following is recommended in order to provide encrypted data communication pathways for information as it is transmitted over a network?

Which of the following services is responsible for assigning, managing, and reclaiming IP addresses on a TCP/IP-based network?

Which of the following is an attack in which an attacker hopes to profit from locking the database software?

Which of the following sets the age requirement for data that should be recovered after a major disaster?

Which of the following tools is used for natively running a Linux system in Windows?

Which of the following indexes stores records in a tabular format?

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?

Which of the following is the correct order of the steps in the database deployment process?