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CompTIA DS0-001 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Business Continuity12%- Disaster recovery
  • 1. Backup and restore strategies
    • 2. Incident recovery procedures
      - Continuity planning
      • 1. High availability systems
        • 2. Fault tolerance and redundancy
          Topic 2: Data and Database Security23%- Security controls
          • 1. Authentication and authorization
            • 2. Access control and role management
              - Protection mechanisms
              • 1. Governance and compliance
                • 2. Encryption and data protection
                  • 3. Attack prevention and mitigation
                    Topic 3: Database Fundamentals24%- Scripting and programming
                    • 1. Python, PowerShell, CLI tools
                      • 2. Server-side vs client-side scripting
                        - SQL development
                        • 1. DDL, DML, TCL
                          • 2. ACID properties
                            • 3. Stored procedures and views
                              - Database structure types
                              • 1. NoSQL types (document, key-value, column, graph)
                                • 2. Common systems (e.g., MongoDB, DynamoDB, Cassandra, Neo4j)
                                  • 3. Relational vs non-relational databases
                                    Topic 4: Database Management and Maintenance25%- Monitoring and reporting
                                    • 1. CPU, memory, disk usage monitoring
                                      • 2. Alerts and notifications
                                        • 3. Performance baselines and trending
                                          - Maintenance tasks
                                          • 1. Job scheduling and failure monitoring
                                            • 2. Replication and backup management
                                              • 3. Optimization and indexing concepts
                                                Topic 5: Database Deployment16%- Planning and design
                                                • 1. ERDs and data dictionaries
                                                  • 2. Requirements gathering
                                                    • 3. Database architecture design
                                                      - Implementation and testing
                                                      • 1. Connectivity testing
                                                        • 2. Stress and regression testing
                                                          • 3. Version control and deployment validation
                                                            • 4. Schema validation

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                                                              CompTIA DataSys+ Certification Exam Sample Questions (Q70-Q75):

                                                              NEW QUESTION # 70
                                                              What technology may be used to perform disk-to-disk backups with systems designed to work only with tapes?

                                                              Answer: B


                                                              NEW QUESTION # 71
                                                              (Which of the following should a database administrator monitor to ensure a database has enough physical storage available to maintain performance expectations? Select two.)

                                                              Answer: C,E

                                                              Explanation:
                                                              The correct answers are B. Disk space and D. Database size growth. CompTIA DataSys+ places strong emphasis on storage monitoring as a critical responsibility of a database administrator (DBA), particularly to ensure ongoing performance, availability, and capacity planning. Physical storage constraints directly affect database operations such as inserts, updates, indexing, backups, and transaction logging.
                                                              Disk space monitoring is essential because databases require sufficient free storage not only for data files, but also for transaction logs, temporary files, indexes, and maintenance operations. If disk space becomes constrained, the database may experience degraded performance, failed write operations, or complete service outages. DataSys+ highlights proactive disk monitoring as a best practice to prevent unplanned downtime and emergency remediation.
                                                              Database size growth is equally important because it enables the DBA to anticipate future storage needs.
                                                              Databases rarely remain static; they grow as new records are added, indexes expand, and historical data accumulates. By tracking growth trends, administrators can forecast when additional storage will be required and take action before performance is impacted. DataSys+ identifies capacity planning as a key operational task, and monitoring growth patterns is central to that process.
                                                              Option A, network traffic, affects connectivity and throughput but does not determine physical storage availability. Option C, concurrent connections, relates to workload and performance but not disk capacity.
                                                              Option E, CPU usage, and option F, RAM usage, are critical server health metrics, but they do not indicate whether sufficient physical storage exists.
                                                              CompTIA DataSys+ clearly distinguishes between compute resources and storage resources. To ensure adequate physical storage and sustained performance, DBAs must monitor both current disk utilization and long-term database growth. Therefore, B and D are the correct and fully verified answers.


                                                              NEW QUESTION # 72
                                                              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?

                                                              Answer: B


                                                              NEW QUESTION # 73
                                                              Which of the following firewall types allows an administrator to control traffic and make decisions based on factors such as connection information and data flow communications?

                                                              Answer: A

                                                              Explanation:
                                                              The firewall type that allows an administrator to control traffic and make decisions based on factors such as connection information and data flow communications is stateful. A stateful firewall is a type of firewall that tracks the state of each connection and packet that passes through it, and applies rules or policies based on the context and content of the traffic. A stateful firewall can control traffic and make decisions based on factors such as source and destination IP addresses, ports, protocols, session status, application layer data, etc. The other options are either different types of firewalls or not related to firewalls at all. For example, a circuit- level firewall is a type of firewall that monitors and validates the establishment of TCP or UDP connections; a proxy firewall is a type of firewall that acts as an intermediary between the source and destination of the traffic; a packet firewall is a type of firewall that filters packets based on their header information. References: CompTIA DataSys+ Course Outline, Domain 4.0 Data and Database Security, Objective 4.2 Given a scenario, implement security controls for databases.


                                                              NEW QUESTION # 74
                                                              Which of the following best describes the function of PowerShell in a database environment?

                                                              Answer: D

                                                              Explanation:
                                                              PowerShell enables administrators to automate database management tasks and connect to databases by running scripts, streamlining routine operations and configurations.


                                                              NEW QUESTION # 75
                                                              ......

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