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CompTIA DS0-001 Exam Syllabus Topics:

TopicDetails
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
  • Business Continuity: Finally, this topic covers the importance of disaster recovery techniques. Moreover, the topic explains backup and restore best practices and processes.
Topic 3
  • 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 4
  • 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 5
  • 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.

CompTIA DataSys+ Certification Exam Sample Questions (Q75-Q80):

NEW QUESTION # 75
A database professional is considering denormalizing a database. Which of the following documents should be used to analyze the database's structure?

Answer: D

Explanation:
The document that should be used to analyze the database's structure is an ERD. An ERD, or Entity Relationship Diagram, is a graphical representation of the entities (tables), attributes (columns), and relationships (constraints) in a database. An ERD helps to visualize the structure and design of the database, as well as the dependencies and associations among the tables. An ERD can also help to evaluate the level of normalization of the database, which is a process that organizes data into tables and columns to reduce redundancy and improve consistency. By using an ERD, a database professional can consider denormalizing a database, which is a process that introduces some redundancy or duplication of data to improve performance or simplify queries.
The other options are either different types of documents or not related to the database's structure. For example, an SOP, or Standard Operating Procedure, is a document that describes the steps and procedures for performing a specific task or operation; a data dictionary is a document that describes the metadata (information about data) of a database; a UML diagram is a graphical representation of a software system or its components using the Unified Modeling Language (UML).


NEW QUESTION # 76
Which of the following is a result of an on-path attack on a system?

Answer: C

Explanation:
A result of an on-path attack on a system is a Wi-Fi network that redirects to clones of legitimate websites. An on-path attack is a type of attack that intercepts and modifies the traffic between two parties without their knowledge or consent. An attacker can use an on-path attack to create a rogue Wi-Fi network that mimics a legitimate one, and then redirect the users to fake websites that look like the ones they intended to visit. The attacker can then steal the users' personal or financial information, such as usernames, passwords, credit card numbers, or bank account details. The other options are either results of different types of attacks or not related to attacks at all. For example, a website that has crashed and is no longer accessible may be a result of a denial-of-service attack, an email from an unknown source requesting bank account details may be a result of a phishing attack, and a web application that returns the addresses of its customers may be a result of a poor design or a data breach. Reference: CompTIA DataSys+ Course Outline, Domain 4.0 Data and Database Security, Objective 4.4 Given a scenario, identify common types of attacks against databases.


NEW QUESTION # 77
(A database administrator has configured a Resource Governor with three resource pools. The first resource pool is assigned a minimum CPU and memory value of 25%. The second resource pool is assigned a minimum CPU and memory value of 35%. The database administrator wants to assign the maximum CPU and the maximum resource pool to the third resource. Which of the following is the maximum the database administrator should assign to the third resource?)

Answer: A

Explanation:
The correct answer is B. 40%. CompTIA DataSys+ explains that Resource Governor is used to manage and allocate CPU and memory resources among multiple workloads or resource pools within a database system.
When configuring resource pools, administrators must ensure that the total allocation of minimum resources does not exceed 100%, as all resource pools share the same finite system resources.
In this scenario, the first resource pool has a minimum CPU and memory allocation of 25%, and the second resource pool has a minimum allocation of 35%. Together, these minimum guarantees account for 60% of total available resources. Resource Governor enforces these minimums to ensure that critical workloads always receive their reserved share of system resources, even under heavy load.
The remaining resources are calculated by subtracting the total minimum allocation from 100%.
100% # 60% = 40%
This remaining 40% represents the maximum CPU and memory that can be safely assigned to the third resource pool without violating Resource Governor rules. Assigning a higher value would exceed the total available system resources and would not be permitted under proper configuration guidelines emphasized in DataSys+.
Option A (20%) underutilizes available resources and is unnecessarily restrictive. Option C (60%) and D (100%) are invalid because they would cause the combined minimum allocations to exceed system capacity, leading to misconfiguration or enforcement failures. DataSys+ stresses careful capacity planning when using Resource Governor to balance performance, fairness, and system stability.
Resource Governor is especially useful in multi-tenant or mixed-workload environments, where critical applications must be protected from resource starvation. Proper calculation of minimums and maximums ensures predictable performance and prevents one workload from monopolizing system resources.
Therefore, the correct maximum allocation for the third resource pool is 40%, making option B the correct and fully verified answer aligned with CompTIA DataSys+ guidance.


NEW QUESTION # 78
Which of the following can be used to protect physical database appliances from damage in a server room?
(Choose two.)

Answer: A,F

Explanation:
The two options that can be used to protect physical database appliances from damage in a server room are fire suppression systems and cooling systems. Fire suppression systems are systems that detect and extinguish fires in a server room using water, gas, foam, or other agents. Fire suppression systems help prevent damage to physical database appliances caused by fire hazards such as overheating, electrical faults, or flammable materials. Cooling systems are systems that regulate the temperature and humidity in a server room using fans, air conditioners, chillers, or other devices. Cooling systems help prevent damage to physical database appliances caused by excessive heat or moisture that may affect their performance or lifespan. The other options are either not related or not effective for this purpose. For example, biometric access systems, camera systems, and key card systems are systems that control the access to a server room using fingerprints, facial recognition, video surveillance, or magnetic cards; these systems help prevent unauthorized entry or theft of physical database appliances, but not damage caused by environmental factors; database control systems are systems that manage the functionality and security of databases using software tools or commands; these systems help protect logical database appliances from errors or attacks, but not physical damage caused by environmental factors. References: CompTIA DataSys+ Course Outline, Domain 5.0 Business Continuity, Objective 5.4 Given a scenario, implement disaster recovery methods.


NEW QUESTION # 79
A database administrator has been asked to assign a user the ability to view a data set. Which of the following practices best describes this request?

Answer: B

Explanation:
The practice that best describes this request is access control. Access control is a process that regulates who can access what data in a system based on predefined rules or policies. Access control helps protect data from unauthorized or inappropriate access or modification by granting or denying permissions or privileges to users or groups based on their roles or identities. By applying access control, the database administrator can assign a user the ability to view a data set without allowing them to change or delete it. The other options are either different practices or not related to this request. For example, security audit is a process that evaluates the security level of a system by identifying vulnerabilities or risks; database audit is a process that monitors and records the activities or events that occur on a database; password policy implementation is a process that defines and enforces rules or standards for creating and managing passwords. 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 # 80
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