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NEW QUESTION # 109
Which of the following is the deployment phase in which a DBA ensures the most recent patches are applied to the new database?
Answer: D
Explanation:
The deployment phase in which a DBA ensures the most recent patches are applied to the new database is upgrading. Upgrading is a process that updates an existing database system or software to a newer version or release that may include new features, enhancements, bug fixes, security patches, etc. Upgrading helps improve the performance, functionality, compatibility, and security of the database system or software. Upgrading can be done manually or automatically using tools or scripts provided by the vendor or developer. Upgrading can also involve testing, backup, migration, or rollback procedures to ensure the quality and reliability of the new version or release. The other options are either different deployment phases or not related to deployment at all. For example, importing is a process that transfers data from one source to another using files or formats; provisioning is a process that allocates resources such as servers, storage, network, etc., for a system or software; modifying is a process that changes existing data or objects in a database using commands or scripts. Reference: CompTIA DataSys+ Course Outline, Domain 2.0 Database Deployment, Objective 2.3 Given a scenario, update database systems.
NEW QUESTION # 110
Which of the following scripts would set the database recovery model for sys.database?
Answer: A
Explanation:
The script that would set the database recovery model for sys.database is option A. This script uses the ALTER DATABASE statement to modify the recovery model of the sys.database to full with no wait.
The other options either have syntax errors, use incorrect keywords, or do not specify the recovery model correctly. 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 # 111
Which of the following is the best way to migrate a large data load from one table to another, considering total time and blocking?
Answer: D
Explanation:
The best way to migrate a large data load from one table to another, considering total time and blocking, is to batch into small loads and run in parallel. This means that the large data load is divided into smaller chunks that can be processed simultaneously by multiple threads or processes. This reduces the total time required for the migration and also minimizes the blocking of other operations on the tables involved. The other options are either less efficient or more prone to blocking. For example, splitting the load size into many transactions may increase the overhead and latency of each transaction; splitting the load size in half and running simultaneously may still cause blocking or contention; batching large loads into one transaction may take longer and lock the tables for longer periods. Reference: CompTIA DataSys+ Course Outline, Domain 3.0 Database Management and Maintenance, Objective 3.3 Given a scenario, migrate data between databases.
NEW QUESTION # 112
Which of the following characterizes the disruptive effects of a SQL injection and a denial-of- service attack?
Answer: B
Explanation:
Impacts describe the actual damage or disruption caused by attacks like SQL injection and denial-of-service, reflecting their effect on systems and data.
NEW QUESTION # 113
Which of the following best describes the function of a wildcard in the WHEREclause?
Answer: A
Explanation:
A wildcard in the WHERE clause allows pattern matching instead of requiring an exact match when filtering records in a SELECT statement.
NEW QUESTION # 114
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