Oracle 1z0-1093-25 問題集

質問 1：
Which statement accurately describes the inherent trade-offs often associated with choosing a NoSQL database over a traditional relational database?
A. NoSQL databases provide simplified querying capabilities using standard SQL, enhancing developer productivity and reducing the learning curve.
B. NoSQL databases universally guarantee stronger data consistency than relational databases, but at the expense of increased operational complexity.
C. NoSQL databases offer superior data integrity and reduced operational overhead compared to relational databases, making them ideal for transactional systems.
D. NoSQL databases typically sacrifice strict data consistency (ACID) to gain horizontal scalability and higher availability.
正解：D
解説: (Topexam メンバーにのみ表示されます)

質問 2：
Which two functionalities are provided by the SQL Performance Analyzer (SPA) within Database Management, aiding in cloud database tuning?
A. Analyze the execution plan of a SQL statement and suggest alternative indexing strategies.
B. Automatically rewrite SQL queries to improve their performance.
C. Generate a report highlighting the performance impact of a specific database change on a set of SQL statements.
D. Compare the performance of SQL statements before and after a database change (e.g., upgrade, parameter change).
正解：C,D
解説: (Topexam メンバーにのみ表示されます)

質問 3：
Which of the following best describes the primary purpose of table rate limiting within Oracle NoSQL Database Cloud Service?
A. To prevent a single table from consuming excessive resources, ensuring fair allocation and preventing performance degradation for other tables and users.
B. To automatically optimize table schema design for improved query performance.
C. To enforce strict data consistency across all table partitions, ensuring ACID compliance.
D. To restrict the total amount of storage space a table can consume.
正解：A
解説: (Topexam メンバーにのみ表示されます)

質問 4：
When cloning a BaseDB database for development and testing, which of the following considerations is MOST critical to ensure compliance with data privacy regulations?
A. Ensuring the compute shape of the cloned database is identical to the production database.
B. Masking or anonymizing sensitive data in the cloned database.
C. Scheduling the cloning operation during off-peak hours.
D. Using the same database version as the production database.
E. Maintaining the same network security group (NSG) rules as the production database.
正解：B
解説: (Topexam メンバーにのみ表示されます)

質問 5：
Which two of the following statements are true regarding security considerations for managingExadata Cloud Infrastructure and VM Clusters?
A. Customers are responsible for configuring host-based firewalls on the Exadata Infrastructure to protect against unauthorized access.
B. Customers have full access to the Exadata Infrastructure's hypervisor and can implement custom security policies.
C. Customers are responsible for configuring and maintaining the security of the operating system and database software within the VM Clusters.
D. Oracle manages all security aspects of the Exadata Infrastructure, relieving customers of any security responsibilities.
E. Network Security Groups (NSGs) can be used to control network traffic to and from VM Clusters, enhancing security.
正解：C,E
解説: (Topexam メンバーにのみ表示されます)