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| Section | Weight | Objectives |
|---|---|---|
| Database Support, Maintenance & Optimization | 20% | - Index Management - Backup and Recovery Procedures - Patch Management - Performance Monitoring - Database Security (Users, Roles, Permissions) - Query Optimization |
| Database Implementation | 22% | - Database Objects (Tables, Views, Indexes) - SQL DDL Statements - Data Import/Export - Triggers - Data Types and Constraints - Stored Procedures and Functions |
| Database Fundamentals | 20% | - Data Normalization - Data Models (Relational, NoSQL, etc.) - ACID Properties - Database Design Principles - Database Concepts and Architecture - CAP Theorem |
| Database Deployment & Planning | 19% | - Capacity Planning - Database Server Requirements - High Availability Architecture - Database Clustering - Disaster Recovery Planning - Replication Strategies |
| Data Analytics & Engineering | 19% | - ETL Processes - Data Warehousing Concepts - Data Visualization Basics - Data Governance - Data Quality - Reporting Concepts |
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NEW QUESTION # 82
Given the following customer table:
Which of the following ORM snippets would return the ID, state, and country of all customers with the newest customers appearing first?
Answer: A
Explanation:
The ORM snippet that would return the ID, state, and country of all customers with the newest customers appearing first is option C. This snippet uses the select method to specify the columns to be returned, the order method to sort the results by ID in descending order, and the all method to fetch all the records. The other options either have syntax errors, use incorrect methods, or do not sort the results correctly.
NEW QUESTION # 83
Gary is logging into a system and is providing his fingerprint to gain access. What step of the IAM process is he performing?
Answer: D
NEW QUESTION # 84
A security auditor at an organization wants to compile a list of individuals who have access to the database and their roles. Which of the following is the best source of information about an organization's access control requirements?
Answer: A
Explanation:
The system security plan details access control policies and user roles, providing comprehensive information about who has database access and their permissions.
NEW QUESTION # 85
Which of the following can be used to protect physical database appliances from damage in a server room? (Choose two.)
Answer: A,C
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.
NEW QUESTION # 86
Which of the following describes the purpose of a snapshot?
Answer: A
Explanation:
The purpose of a snapshot is to create an image of a database. A snapshot is a copy of the state and content of a database at a specific point in time. A snapshot can be used for various purposes, such as backup and recovery, testing and development, reporting and analysis, etc. A snapshot can be created using various techniques, such as full copy, incremental copy, differential copy, etc. A snapshot can also be created using various tools or commands provided by the database system or software. The other options are either incorrect or irrelevant for this question. For example, dynamic data replication is a process that copies and synchronizes data from one database server (the source) to one or more database servers (the target) in real time; a synonym is an alias or an alternative name for an object in a database; C is an incomplete option. Reference: CompTIA DataSys+ Course Outline, Domain 5.0 Business Continuity, Objective 5.2 Given a scenario, implement backup and restoration of database management systems.
NEW QUESTION # 87
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