DS0-001 Dumps To Pass CompTIA DataSys+ Exam in One Day (Updated 120 Questions) [Q59-Q73]

4/5 - (1 vote)

DS0-001 Dumps To Pass CompTIA DataSys+ Exam in One Day (Updated 120 Questions)

DS0-001 Exam Brain Dumps – Study Notes and Theory

NO.59 Which of the following is the best way to migrate a large data load from one table to another, considering total time and blocking?

Split the load size into many transactions.

Split the load size in half and run simultaneously.

Batch into small loads and run in parallel.

Batch large loads into one transaction.

NO.60 (New users at a company are reporting that the system is not accepting new credentials when the users are asked to change the credentials for the first time. Which of the following is the reason the credentials are being rejected?)

Identity management

Access controls

Service accounts

Password policies

NO.61 Which of the following services is responsible for assigning, managing, and reclaiming IP addresses on a TCP/IP-based network?

DNS

DHCP

LDAP

ISMTP

NO.62 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?

Monthly full, daily differential

Daily differential

Daily full

Weekly full, daily incremental

NO.63 A developer is designing a table that does not have repeated values. Which of the following indexes should the developer use to prevent duplicate values from being inserted?

Unique

Single column

Implicit

Composite

NO.64 A database analyst notices a query statement is running slowly. Which of the following should the analyst review first?

Missing indexes

Code

Table integrity

Database patches

NO.65 Which of the following is the best to consult in order to start the recovery process after a disaster?

Build documentation

Entity relations diagram

Transaction logs

Data dictionary

NO.66 A database’s daily backup failed. Previous backups were completed successfully. Which of the following should the database administrator examine first to troubleshoot the issue?

CPU usage

Disk space

Event log

OS performance

NO.67 Which of the following cloud storage options provides users with endpoints to retrieve data via REST API?

Network file

Object

Ephemeral

iBIock

NO.68 (An IT manager needs to create a workflow for a new application. Which of the following tools should the manager use to facilitate the creation of a workflow?)

ERD

UML

ETL

ORM

The correct answer is B. UML. CompTIA DataSys+ identifies Unified Modeling Language (UML) as a standard visual modeling tool used to design, document, and communicate system behavior, structure, and workflows during application development. UML is especially well-suited for creating workflows because it provides multiple diagram types that clearly represent processes, interactions, and control flow within an application.
Common UML diagrams used for workflow modeling include activity diagrams, which show step-by-step business or system processes, and sequence diagrams, which illustrate interactions between system components over time. These diagrams help stakeholders understand how users, systems, and data interact throughout an application’s lifecycle. DataSys+ emphasizes that UML improves collaboration between technical and non-technical stakeholders by providing a clear, standardized visual representation of application logic and flow.
Option A, ERD (Entity Relationship Diagram), is used to model database structure, including entities, attributes, and relationships. While ERDs are essential for schema design, they do not describe application workflows or process logic. Option C, ETL (Extract, Transform, Load), refers to data integration processes used in data warehousing and analytics; it is not a design or modeling tool for application workflows. Option D, ORM (Object-Relational Mapping), is a programming abstraction layer that maps application objects to database tables and does not provide workflow visualization capabilities.
CompTIA DataSys+ highlights the importance of proper planning and design tools during application development. UML enables IT managers to map workflows before implementation, reducing development errors, improving maintainability, and ensuring that business requirements are met.
Therefore, the most appropriate tool for facilitating the creation of a workflow for a new application is UML, making option B the correct and fully verified answer.

NO.69 Which of the following commands is part of DDL?

UPDATE

GRANT

CREATE

INSERT

NO.70 A database administrator should review the database disaster recovery documentation:

whenever a new Chief Technical Officer joins the company.

when the company’s business requirements change.

during every first week of every month.

just before an outside audit is scheduled.

NO.71 Which of the following should a company develop to ensure preparedness for a fire in a data center?

Deployment plan

Backup plan

Data retention policy

Disaster recovery plan

NO.72 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?

Capture business logic, check the performance of codes, and report findings.

Check the clustered and non-clustered indexes, and report findings.

Review application tables and columns, and report findings.

Write queries directly into the database and report findings.

NO.73 Which of the following constraints is used to enforce referential integrity?

Surrogate key

Foreign key

Unique key

Primary key

CompTIA DS0-001 Exam Syllabus Topics:

Topic	Details
Topic 1	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.
Topic 2	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 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 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 5	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.

DS0-001 Dumps PDF – Want To Pass DS0-001 Fast: https://www.actualcollection.com/DS0-001-exam-questions.html

CompTIA DS0-001 Exam Syllabus Topics:

Leave a comment Cancel reply