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NEW QUESTION # 52
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: C
NEW QUESTION # 53
(A database system crashed during a routine migration process. Which of the following should the systems administrator refer to for guidance in this situation?)
Answer: A
Explanation:
The correct answer is D. The continuity of operations policy. CompTIA DataSys+ emphasizes that when an unexpected system failure occurs-especially during critical activities such as database migrations-the primary concern is restoring services, minimizing downtime, and ensuring data availability. The continuity of operations policy (often aligned with business continuity and disaster recovery planning) provides documented guidance on how to respond to system outages and operational disruptions.
A continuity of operations policy outlines procedures, roles, and responsibilities for maintaining or rapidly restoring essential systems after an incident. This includes steps for failover, rollback procedures, recovery prioritization, communication protocols, and escalation paths. During a migration-related crash, administrators rely on this policy to determine whether to restore from backups, revert to a previous database version, activate standby systems, or follow defined recovery time objectives (RTOs) and recovery point objectives (RPOs). DataSys+ highlights these policies as critical for ensuring predictable and coordinated responses during system failures.
Option A, the data retention policy, focuses on how long data must be stored and when it can be archived or deleted. It does not provide operational guidance for handling system crashes. Option B, the access control policy, governs authentication and authorization rules and is unrelated to recovery actions. Option C, the database compliance policy, addresses regulatory and audit requirements but does not define technical recovery procedures during an outage.
CompTIA DataSys+ clearly distinguishes governance and security policies from operational resilience policies. When a database crashes during a migration, the administrator's priority is service restoration and data integrity, both of which are addressed by continuity of operations planning.
Therefore, the systems administrator should refer to the continuity of operations policy, making option D the correct and fully verified answer.
NEW QUESTION # 54
A database administrator is updating an organization's ERD. Which of the following is the best option for the database administrator to use?
Answer: A
Explanation:
The best option for the database administrator to use to update an organization's ERD is a UML tool. A UML tool 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 create entity relationship diagrams (ERDs), which are graphical representations of the entities (tables), attributes (columns), and relationships (constraints) in a database. A UML tool can help the administrator to update an organization's ERD 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 word processor is a software application that allows users to create and edit text documents; a spreadsheet is a software application that allows users to organize and manipulate data in rows and columns; an HTML editor is a software application that allows users to create and edit web pages using HyperText Markup Language (HTML).
NEW QUESTION # 55
An automated script is using common passwords to gain access to a remote system. Which of the following attacks is being performed?
Answer: A
Explanation:
The attack that is being performed is brute-force. A brute-force attack is a type of attack that tries to guess a password or a key by systematically trying all possible combinations of characters or values until the correct one is found. A brute-force attack can use common passwords, such as "123456", "password", or "qwerty", as well as dictionaries, word lists, or patterns to speed up the process. A brute-force attack can target a remote system, such as a web server, an email account, or a network device, and gain unauthorized access to its data or resources. The other options are either different types of attacks or not related to password guessing. For example, a DoS, or Denial-of-Service, attack is a type of attack that floods a system with requests or traffic to overwhelm its capacity and prevent legitimate users from accessing it; an SQL injection attack is a type of attack that inserts malicious SQL statements into an input field or parameter of a web application to manipulate or compromise the underlying database; a phishing attack is a type of attack that sends fraudulent emails or messages that appear to come from a trusted source to trick users into revealing their personal or financial information. 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 # 56
Brad is helping to design a disaster recovery strategy for his organization and is analyzing possible storage locations for backup data. He is not certain where the organization will recover operations in the event of a disaster and would like to choose an option that allows them the flexibility to easily retrieve data from any DR site.
Which one of the following storage locations provides the best option for Brad?
Answer: C
NEW QUESTION # 57
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