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CompTIA DS0-001 Exam Syllabus Topics:

Topic	Details
Topic 1	Data and Database Security: This topic focuses on data security concepts, governance and regulatory compliance purposes, implementing authentication and authorization policies and best practices. Additionally, the topic discusses database infrastructure security, and understanding types of attacks and their effects on data systems.
Topic 2	Database Fundamentals: This topic covers database structure types, SQL code development and modification based on scenarios, comparison of scripting methods and environments, and the impact of programming on database operations.
Topic 3	Business Continuity: Finally, this topic covers the importance of disaster recovery techniques. Moreover, the topic explains backup and restore best practices and processes.
Topic 4	Database Management and Maintenance: Here, you'll learn about monitoring and reporting for database management and performance, common database maintenance processes, documentation production, and relevant tools usage. Lastly, the topic focuses on implementing data management tasks.
Topic 5	Database Deployment: In this topic, you'll find discussions on database planning and design aspects. It also focuses on the implementation, testing, and deployment phases of databases.

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CompTIA DataSys+ Certification Exam Sample Questions (Q58-Q63):

NEW QUESTION # 58
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?

A. Send the business intelligence administrator the approved TNS names file to configure the data mapping.
B. Create a new service account exclusively for the business intelligence application.
C. Open a new port on the database server exclusively for the business intelligence application.
D. Set up a nightly FTP data transfer from the database server to the business intelligence application server.
E. Build a separate data warehouse customized to the business intelligence application's specifications.

Answer: B

Explanation:
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. References: CompTIA DataSys+ Course Outline, Domain
2.0 Database Deployment, Objective 2.1 Given a scenario, install and configure database software and tools.

NEW QUESTION # 59
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. Data classification policy
B. Standard operating procedure
C. Global regulation
D. Data retention policy

Answer: D

NEW QUESTION # 60
Which of the following is used to document the system catalog in a database?

A. System requirements documentation
B. Standard operating procedure
C. Project plan
D. Data dictionary

Answer: D

Explanation:
A data dictionary documents the system catalog by providing metadata about database objects, their structure, and relationships within the database.

NEW QUESTION # 61
A data analyst would like to select only one copy of each of the duplicated regions in the chart below:

Which of the following SQL commands should the data analyst use to complete this task?

A. SELECT UNIQUE
B. SELECT DISTINCT
C. SELECT DIFFERENT
D. SELECT COUNT()

Answer: B

Explanation:
The SELECT DISTINCT command retrieves unique values from a column, allowing the analyst to select only one copy of each duplicated region.

NEW QUESTION # 62
Which of the following is the best way to migrate a large data load from one table to another, considering total time and blocking?

A. Batch large loads into one transaction.
B. Split the load size into many transactions.
C. Split the load size in half and run simultaneously.
D. Batch into small loads and run in parallel.

Answer: D

Explanation:
The best way to migrate a large data load from one table to another, considering total time and blocking, is to batch into small loads and run in parallel. This means that the large data load is divided into smaller chunks that can be processed simultaneously by multiple threads or processes. This reduces the total time required for the migration and also minimizes the blocking of other operations on the tables involved. The other options are either less efficient or more prone to blocking. For example, splitting the load size into many transactions may increase the overhead and latency of each transaction; splitting the load size in half and running simultaneously may still cause blocking or contention; batching large loads into one transaction may take longer and lock the tables for longer periods.

NEW QUESTION # 63
......

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