Oracle 1z0-1093-25 問題集

質問 1：
In a BaseDB environment configured with automatic backups, what happens to the automatic backups when the DB system is terminated?
A. The retention of automatic backups after DB system termination is configurable during DB system creation.
B. All automatic backups are immediately and permanently deleted from object storage.
C. Automatic backups are migrated to a lower-cost archive storage tier.
D. All automatic backups are retained in object storage for a period determined by the original backup retention policy.
E. The most recent automatic backup is retained, while older backups are deleted.
正解：D
解説: (Topexam メンバーにのみ表示されます)

質問 2：
The concept of 'schema-less' in the context of NoSQL databases primarily refers to what?
A. Data is stored in a highly structured format, mirroring the tabular structure of relational databases with predefined columns and data types.
B. All data stored within the database must conform to a single, universally defined schema for consistency.
C. The database automatically infers the schema from the data being inserted, without requiring any explicit schema definition beforehand.
D. Data is stored in a binary format, eliminating the need for any schema or data interpretation.
正解：C
解説: (Topexam メンバーにのみ表示されます)

質問 3：
Which two statements are accurate regarding the placement of VM Clusters within an Exadata Cloud Infrastructure?
A. VM Clusters within the same Exadata Infrastructure can share a single VCN, simplifying network management.
B. Each VM Cluster must be associated with its own dedicated VCN, isolating network traffic between clusters.
C. VM Clusters can span multiple Exadata Cloud Infrastructures, providing a single, unified database environment.
D. Multiple VM Clusters can be created within a single Exadata Cloud Infrastructure, allowing for workload isolation.
E. Only one VM Cluster can exist within an Exadata Cloud Infrastructure.
正解：A,D
解説: (Topexam メンバーにのみ表示されます)

質問 4：
When using the OCI Console, which two options are configurable during the initial provisioning of a MySQL HeatWave DB system?
A. The number of HeatWave nodes.
B. The MySQL version.
C. The storage size for the database.
D. The name of the initial database user.
E. The character set for the database.
正解：A,B
解説: (Topexam メンバーにのみ表示されます)

質問 5：
In the context of MySQL HeatWave, what is the purpose of the HeatWave AutoPilot feature?
A. To automatically detect and prevent security vulnerabilities in the MySQL database.
B. To automatically back up and restore the MySQL database to Oracle Cloud Infrastructure Object Storage.
C. To automatically generate reports on MySQL performance and usage.
D. To automatically scale the number of MySQL instances based on transactional workload demands.
E. To automate various aspects of HeatWave management, such as data placement, node sizing and resource allocation, and query scheduling.
正解：E
解説: (Topexam メンバーにのみ表示されます)