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| Certification Vendor: | CompTIA |
|---|---|
| Exam Name: | CompTIA DataSys+ Certification Exam |
| Exam Number: | DS0-001 |
| Related Certifications: | CompTIA Server+ CompTIA Network+ CompTIA A+ |
| Available Languages: | English |
| Passing Score: | 750 (on a scale of 100-900) |
| Certificate Validity Period: | 3 years |
| Exam Price: | $252 USD |
| Exam Duration: | 90 minutes |
| Exam Format: | Multiple Choice, Performance-based |
| Real Exam Qty: | 90 |
| Sample Questions: | CompTIA DS0-001 Sample Questions |
| Exam Way: | Pearson VUE testing centers (both in-person and online proctored options may be available) |
| Pre Condition: | Recommended: CompTIA A+ or equivalent; 2 years of hands-on database experience; familiarity with SQL and database concepts |
| Official Syllabus URL: | https://www.comptia.org/certifications/datasys |
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NEW QUESTION # 107
A database administrator needs a tool to document and explain the relationships between data in an organization's database. Which of the following is the best tool to accomplish this task?
Answer: C
Explanation:
The best tool for the database administrator to document and explain the relationships between data in an organization's database is a UML editor. A UML editor is a software application that allows users to create, edit, and visualize diagrams using the Unified Modeling Language (UML).
UML is a standard language for modeling software systems and their components, such as classes, objects, relationships, behaviors, etc. UML can also be used to document and explain the relationships between data in an organization's database by creating entity relationship diagrams (ERDs), which are graphical representations of the entities (tables), attributes (columns), and relationships (constraints) in a database. A UML editor can help the administrator to document and explain the relationships between data by providing features such as drag-and- drop, templates, symbols, validation, etc. The other options are either not suitable or not optimal for this task. For example, a text editor is a software application that allows users to create and edit plain text files; a word processor is a software application that allows users to create and edit text documents; an SQL query is a statement that performs an operation on a database using Structured Query Language (SQL).
NEW QUESTION # 108
A company needs to prepare a document that establishes the responsibilities, metrics, penalties, and other generalities that a provider would have to fulfill for customers to use its platforms.
Which of the following documents meets these requirements?
Answer: C
Explanation:
The document that meets these requirements is an SLA. An SLA, or Service Level Agreement, is a contract between a service provider and a customer that defines the scope, quality, and terms of the service delivery.
An SLA typically includes the responsibilities, metrics, penalties, and other generalities that a provider would have to fulfill for customers to use its platforms. An SLA also establishes the expectations and obligations of both parties, as well as the methods for measuring and monitoring the service performance. The other options are either different types of documents or not related to service delivery. For example, a DOU, or Data Use Agreement, is a document that governs the sharing and use of data between parties; an MOU, or Memorandum of Understanding, is a document that expresses a mutual agreement or intention between parties; a SOW, or Statement of Work, is a document that describes the specific tasks and deliverables of a project or contract. References: CompTIA DataSys+ Course Outline, Domain 2.0 Database Deployment, Objective 2.4 Given a scenario, implement service level agreements.
NEW QUESTION # 109
A database administrator needs to provide access to data from two different tables to multiple group users in order to facilitate ongoing reporting. However, some columns in each table are restricted, and users should not be able to see the values in these columns.
Which of the following is the best action for the administrator to take?
Answer: D
Explanation:
The best action for the administrator to take is to create a view. A view is a virtual table that shows a subset of data from one or more tables. The administrator can use a view to provide access to data from two different tables to multiple group users without exposing the restricted columns. The view can also simplify the queries and improve the performance of the reporting process. The other options are either not suitable for this scenario or do not address the requirement of hiding some columns from users. For example, creating a stored procedure would require additional coding and execution, creating a csv export would create a static file that may not reflect the latest data changes, and creating a trigger would perform an action in response to an event rather than provide access to data.
NEW QUESTION # 110
Which of the following sets the age requirement for data that should be recovered after a major disaster?
Answer: B
Explanation:
The option that sets the age requirement for data that should be recovered after a major disaster is RPO. RPO, or Recovery Point Objective, is a metric that defines the maximum amount of data that can be lost or acceptable data loss in the event of a disaster or disruption. RPO indicates how frequently the data should be backed up or replicated to minimize the risk of data loss. RPO also sets the age requirement for data that should be recovered after a major disaster, as it determines how far back in time the recovery process should go. For example, if the RPO is one hour, then the data should be backed up or replicated every hour, and the recovery process should restore the data to the state it was in one hour before the disaster. The other options are either different metrics or not related to data recovery at all. For example, MTBF, or Mean Time Between Failures, is a metric that measures the average time that a system or component operates without failure; RTO, or Recovery Time Objective, is a metric that defines the maximum amount of time that can be taken to restore a system or service after a disaster or disruption; MTTF, or Mean Time To Failure, is a metric that measures the average time that a system or component operates until it fails. Reference: CompTIA DataSys+ Course Outline, Domain 5.0 Business Continuity, Objective 5.3 Given a scenario, implement backup and restoration of data.
NEW QUESTION # 111
(A database administrator wants users to be able to access resources remotely from home. Which of the following best describes how the administrator can enable this access without compromising the security of the stored data?)
Answer: C
Explanation:
The correct answer is A. Implement a virtual private network (VPN). CompTIA DataSys+ emphasizes secure remote access as a critical requirement for modern database environments, especially when users need to connect from untrusted networks such as home internet connections. A VPN provides a secure, encrypted tunnel between the user's device and the organization's internal network, allowing remote users to access database resources as if they were physically on-site.
By using strong encryption and authentication mechanisms, a VPN ensures that data transmitted over public networks cannot be intercepted, read, or altered by unauthorized parties. DataSys+ highlights VPNs as a best practice for protecting data-in-transit and preventing exposure of sensitive database services directly to the internet. VPNs also allow administrators to enforce centralized access controls, logging, and monitoring, further strengthening security.
Option B, implementing strong password policies, is an important security measure but does not by itself enable secure remote connectivity. Password policies address authentication strength, not secure network transport. Option C, configuring and deploying a firewall, is essential for controlling traffic flow, but a firewall alone does not provide secure remote access for home users. It typically blocks or allows connections rather than securely tunneling them. Option D, implementing a perimeter network (DMZ), is designed to host internet-facing services while isolating internal systems. Exposing databases through a perimeter network increases risk and is not recommended for direct user access to internal data.
CompTIA DataSys+ stresses the principle of minimizing attack surface. A VPN supports this principle by avoiding direct exposure of database services while still enabling authorized remote access. It also integrates well with multifactor authentication and identity management systems.
Therefore, the most secure and appropriate method to enable remote access without compromising stored data is to implement a virtual private network, making option A the correct and fully verified answer.
NEW QUESTION # 112
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