2026 Actual CompTIA DS0-001 Dumps, Updated Exam Questions for Guaranteed Pass

DS0-001 free sample questions and answers

CompTIA DS0-001 practice quiz with correct answers for search indexing.

1. Question 1

   Which of the following cloud delivery models provides users with the highest level of flexibility regarding resource provisioning and administration?

   ADBaaS
   

   BIaaS
   

   CSaaS
   

   DPaaS
   

   Correct answer: B

   The cloud delivery model that provides users with the highest level of flexibility regarding resource provisioning and administration is IaaS. IaaS, or Infrastructure as a Service, is a cloud delivery model that provides users with access to virtualized computing resources, such as servers, storage, network, and operating systems, over the internet. Users can provision, configure, and manage these resources according to their needs and preferences, without having to worry about the maintenance or security of the physical infrastructure. IaaS offers users the most control and customization over their cloud environment, as well as the ability to scale up or down as needed. The other options are either different cloud delivery models or not related to cloud computing at all. For example, DBaaS, or Database as a Service, is a cloud delivery model that provides users with access to database management systems and tools over the internet; SaaS, or Software as a Service, is a cloud delivery model that provides users with access to software applications and services over the internet; PaaS, or Platform as a Service, is a cloud delivery model that provides users with access to development platforms and tools over the internet.Reference:CompTIA DataSys+ Course Outline, Domain 2.0 Database Deployment, Objective 2.1 Given a scenario, select an appropriate database deployment method.

   
   

2. Question 2

   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?

   AData loss prevention
   

   BData retention policies
   

   CData classification
   

   DGlobal regulations
   

   Correct answer: B

   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.

   
   

3. Question 3

   A financial services company is designing their database infrastructure with high availability requirements. They need to ensure that if their primary database server fails, a secondary server can take over automatically with minimal downtime. The company wants to maintain multiple copies of the database across multiple physical locations.

   Which two technologies should be implemented to achieve these high availability goals? (Select all that apply.)

   ADatabase replication to maintain synchronized copies of data across multiple servers
   

   BAutomated failover mechanisms to detect primary failure and promote a secondary server
   

   CScheduled weekly full backups for disaster recovery purposes
   

   DLoad balancing to distribute queries evenly across all database servers
   

   EData archiving to move historical records to separate storage systems
   

   Correct answer: A, B

   The correct answers are database replication and automated failover mechanisms.

   Replication continuously synchronizes data across multiple database servers, ensuring secondary servers maintain current copies. Automated failover monitors the primary server's health and automatically promotes a secondary server to primary status when failure is detected, minimizing downtime. Together, these implement high availability by providing redundancy and automatic recovery.

   Weekly backups are important for disaster recovery but do not provide high availability—there would still be significant downtime and data loss between backups. Load balancing distributes queries but doesn't address primary failure detection or automatic failover—it's used alongside other HA technologies, not as a replacement. Data archiving moves old data to separate storage but doesn't provide high availability or rapid recovery. The scenario specifically requires automatic failover with minimal downtime, which requires active replication and failover logic, not just backup or load balancing. This question tests understanding of high availability architecture components.

4. Question 4

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

   ATID
   

   BSID
   

   CRID
   

   DPID
   

   Correct answer: C

   The resource that is the best way to lock rows in SQL Server is RID. RID, or Row IDentifier, is an attribute that uniquely identifies each row in a heap table in SQL Server. A heap table is a table that does not have a clustered index, which means that the rows are not stored in any particular order. A RID consists of the file number, page number, and slot number of the row in the database. A RID can be used to lock rows in SQL Server to prevent concurrent access or modification by other transactions or users. A RID lock is a type of lock that locks a single row using its RID. A RID lock can be applied using theHOLDLOCKorXLOCKhints in aSELECTstatement. The other options are either not related or not effective for this purpose. For example, TID, or Transaction IDentifier, is an attribute that uniquely identifies each transaction in a database; SID, or Security IDentifier, is an attribute that uniquely identifies each user or group in a Windows system; PID, or Process IDentifier, is an attribute that uniquely identifies each process in an operating system.Reference:CompTIA DataSys+ Course Outline, Domain 3.0 Database Management and Maintenance, Objective 3.3 Given a scenario, implement database concurrency methods.

   
   

5. Question 5

   A database administrator needs to ensure that a newly installed corporate business intelligence application can access the company's transactional dat

   a. Which of the following tasks should the administrator perform first?

   ACreate a new service account exclusively for the business intelligence application.
   

   BBuild a separate data warehouse customized to the business intelligence application's specifications.
   

   CSet up a nightly FTP data transfer from the database server to the business intelligence application server.
   

   DSend the business intelligence administrator the approved TNS names file to configure the data mapping.
   

   EOpen a new port on the database server exclusively for the business intelligence application.
   

   Correct answer: A

   The first task that the administrator should perform is to create a new service account exclusively for the business intelligence application. This will ensure that the application has the appropriate permissions and credentials to access the company's transactional data. The other options are either unnecessary, inefficient, or insecure. For example, building a separate data warehouse would require additional resources and time, setting up a nightly FTP data transfer would expose the data to potential breaches, sending the TNS names file would not guarantee that the application can connect to the database, and opening a new port on the database server would create a vulnerability for attackers.Reference:CompTIA DataSys+ Course Outline, Domain 2.0 Database Deployment, Objective 2.1 Given a scenario, install and configure database software and tools.