CompTIA DataSys+ Certification - DS0-001 Exam Practice Test
(A shared folder can only be accessed by authorized users. Which of the following policies was applied in this scenario?)
Correct Answer: A
Vote an answer
Explanation: Only visible for Fast2test members. You can sign-up / login (it's free).
Which of the following constraints is used to enforce referential integrity?
Correct Answer: D
Vote an answer
Explanation: Only visible for Fast2test members. You can sign-up / login (it's free).
Which of the following is a reason to create a stored procedure?
Correct Answer: D
Vote an answer
Explanation: Only visible for Fast2test members. You can sign-up / login (it's free).
Which of the following describes the purpose of a snapshot?
Correct Answer: A
Vote an answer
Explanation: Only visible for Fast2test members. You can sign-up / login (it's free).
Which of the following is an advantage of creating indexes?
Correct Answer: C
Vote an answer
Explanation: Only visible for Fast2test members. You can sign-up / login (it's free).
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?
Which of the following SQL commands should the administrator use to ensure that records from the two tables are not duplicated?
Correct Answer: B
Vote an answer
Explanation: Only visible for Fast2test members. You can sign-up / login (it's free).
(Which of the following is a CPU-intensive operation that improves database performance and information retrieval?)
Correct Answer: C
Vote an answer
Explanation: Only visible for Fast2test members. You can sign-up / login (it's free).
(A database manager would like to reduce the overhead caused by log-based recoveries. Which of the following should the manager use to best mitigate the situation?)
Correct Answer: C
Vote an answer
Explanation: Only visible for Fast2test members. You can sign-up / login (it's free).
Which of the following describes a scenario in which a database administrator would use a relational database rather than a non-relational database?
Correct Answer: C
Vote an answer
Explanation: Only visible for Fast2test members. You can sign-up / login (it's free).
(Before installing a new database instance for an organization, a DBA needs to verify the amount of space, the hardware, and the network resources. Which of the following best describes this process?)
Correct Answer: A
Vote an answer
Explanation: Only visible for Fast2test members. You can sign-up / login (it's free).