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| Certification Vendor: | CompTIA |
|---|---|
| Exam Name: | CompTIA DataSys+ Certification Exam |
| Exam Number: | DS0-001 |
| Passing Score: | 700 (on a scale of 100–900) |
| Related Certifications: | CompTIA Data+ CompTIA Server+ CompTIA Security+ |
| Exam Price: | $390 USD (approximate; may vary by region) |
| Available Languages: | Japanese, English |
| Exam Duration: | 90 minutes |
| Real Exam Qty: | Up to 90 questions |
| Exam Format: | Performance-based questions, Multiple-choice |
| Certificate Validity Period: | 3 years |
| Recommended Training: | CompTIA CertMaster Learn DataSys+ Official DataSys+ Study Guide (DS0-001) |
| Exam Registration: | Pearson VUE Exam Registration CompTIA Official Certification Page |
| Sample Questions: | CompTIA DS0-001 Sample Questions |
| Exam Way: | Online proctored or in-person testing via Pearson VUE authorized test centers |
| Pre Condition: | No formal prerequisites; 2–3 years of experience in database administration is recommended. |
| Official Syllabus URL: | https://www.comptia.org/certifications/datasys |
>> DS0-001 Updated Testkings <<
With ValidDumps user-friendly CompTIA DataSys+ Certification Exam (DS0-001) PDF format, you can prepare for the exam from any location at any time via laptops, tablets, and smartphones. In this CompTIA DS0-001 PDF document, we have included latest and DS0-001 Real Exam Questions. ValidDumps has made the DS0-001 PDF format to make it easier for students to acquire knowledge they need to ace the CompTIA exam.
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NEW QUESTION # 71
A database administrator realizes that a database does not have the correct columns. The administrator needs to modify the structure using a DDL command. Which of the following should the administrator use?
Answer: A
Explanation:
ALTER TABLE is a Data Definition Language (DDL) command used to modify the structure of an existing table, such as adding or changing columns.
NEW QUESTION # 72
A database is configured to use undo management with temporary undo enabled. An UPDATE is run on the table.
Which of the following describes where the undo is stored?
Answer: A
Explanation:
The correct answer is D. When undo management with temporary undo is enabled, the undo data is stored in the temporary tablespace instead of the undo tablespace. The temporary tablespace is a tablespace that stores temporary data such as sort results or intermediate query results. The undo data is the data that records the changes made by transactions on the database. Undo data is used to roll back transactions in case of errors or failures, or to provide read consistency for concurrent queries. By storing undo data in the temporary tablespace, the database can reduce the space consumption and contention in the undo tablespace, and improve performance and scalability. The other options are either incorrect or irrelevant for this question. For example, the system global area is a memory area that stores information shared by all sessions connected to an instance; the undo tablespace is a tablespace that stores undo data by default; the SYSAUX tablespace is a tablespace that stores auxiliary information for various database features. References: CompTIA DataSys+ Course Outline, Domain 3.0 Database Management and Maintenance, Objective 3.1 Given a scenario, perform common database maintenance tasks.
NEW QUESTION # 73
Which of the following sets the age requirement for data that should be recovered after a major disaster?
Answer: C
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.
NEW QUESTION # 74
A company is launching a proof-of-concept, cloud-based application. One of the requirements is to select a database engine that will allow administrators to perform quick and simple queries on unstructured data.
Which of the following would be best suited for this task?
Answer: D
Explanation:
The best suited database engine for this task is MongoDB. MongoDB is a type of non-relational database that stores data as documents in JSON-like format. MongoDB allows administrators to perform quick and simple queries on unstructured data, such as text, images, videos, or social media posts, without requiring a predefined schema or complex joins. MongoDB also supports cloud-based deployment, scalability, and high availability. The other options are either relational databases that require a fixed schema and structure for data, or specialized databases that are designed for specific purposes, such as graph databases for storing and analyzing network data. References: CompTIA DataSys+ Course Outline, Domain 1.0 Database Fundamentals, Objective 1.1 Given a scenario, identify and apply database structure types.
NEW QUESTION # 75
A business wants to be notified when new clients are added to the client list that is stored in the client table. Which of the following SQL statements should the database administrator use to perform this task?
Answer: D
Explanation:
A trigger automatically executes a specified action, such as sending a notification, in response to events like inserting new clients into a table.
NEW QUESTION # 76
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