Free CompTIA DS0-001 Practice Questions & Answers 2026 Part2 | CompTIA DataSys+

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

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

Which of the following would a database administrator monitor to gauge server health? (Choose two.)

Which of the following cloud storage options provides users with endpoints to retrieve data via REST API?

Which of the following is a typical instruction that is found on a Linux command-line script and represents a system shell? The instruction that is found on a Linux command-line script and represents a system shell is #!/bin/bash. This instruction is called a shebang or a hashbang, and it indicates the interpreter that should be used to execute the script. In this case, the interpreter is /bin/bash, which is the path to the bash shell, a common system shell for Linux. A system shell is a program that provides an interface for users to interact with the operating system, either through commands or scripts. A system shell can also perform various tasks, such as file management, process control, variable assignment, etc. The other options are either incorrect or not typical for this purpose. For example, /bin/bash is the path to the bash shell, but it does not indicate the interpreter for the script; #/bin/shell is not a valid shebang or a path to a system shell; >/bin/sh is a redirection operator followed by a path to a system shell, but it does not indicate the interpreter for the script.Reference:CompTIA DataSys+ Course Outline, Domain 2.0 Database Deployment, Objective 2.2 Given a scenario, create database objects using scripting and programming languages.

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 business analyst queries the same few tables every quarter and does not want to write new SQL code every time. Which of the following would best support the business analyst's needs and allow the database administrator to optimize disk space?)

Gary is logging into a system and is providing his fingerprint to gain access. What step of the IAM process is he performing?

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

A database administrator is updating an organization's ERD. Which of the following is thebestoption for the database administrator to use?

Which of the following resources is the best way to lock rows in SQL Server?

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

A new retail store employee needs to be able to authenticate to a database. Which of the following commands should a database administrator use for this task?

Which of the following qualifiers removes duplicate records from a SQL SELECT statement when included in a query?

Which of the following best describes the policy/and or procedure that ensures records are kept in a database for a period of time and not deleted?

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?

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?

Which of the following commands is part of DDL?

What technology may be used to perform disk-to-disk backups with systems designed to work only with tapes?

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

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? The concept that 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 is data retention policies. Data retention policies are rules or guidelines that specify how long data should be kept and when it should be deleted or archived. Data retention policies are often based on legal, regulatory, or business requirements, and help organizations manage their data lifecycle, storage, and compliance. The other options are either not related or not specific to this situation. For example, data loss prevention is a process that aims to prevent data from being leaked, stolen, or corrupted; data classification is a process that assigns labels or categories to data based on its sensitivity, value, or risk; global regulations are laws or standards that apply to data across different countries or regions.Reference:CompTIA DataSys+ Course Outline, Domain 4.0 Data and Database Security, Objective 4.1 Given a scenario, apply security principles and best practices for databases.

Which of the following ORM tools enables developers to work with a database using .NET objects?

Brad is helping to design a disaster recovery strategy for his organization and is analyzing possible storage locations for backup data. He is not certain where the organization will recover operations in the event of a disaster and would like to choose an option that allows them the flexibility to easily retrieve data from any DR site. Which one of the following storage locations provides the best option for Brad?

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

Which of the following best describes the category of SQL commands required to revoke access to database objects?

Which of the following transactions is allowed in a shared lock?

A database professional is considering denormalizing a database. Which of the following documents should be used to analyze the database's structure?

Which of the following NFs is considered the most preferable for relational database design?

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?

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?