Oracle 1Z0-1093-25 Online Practice Questions and Exam Preparation

Oracle 1Z0-1093-25 Online Questions & Answers

• Question 11:

  In a key-value NoSQL database, what is the primary mechanism for accessing data?

  A. Using SQL queries to filter and retrieve data based on complex criteria.
  B. Using a unique key to retrieve the associated value directly.
  C. Traversing relationships between nodes to find related data.
  D. Scanning all documents in the database to find matching data.
  B. Using a unique key to retrieve the associated value directly.

• Question 12:

  Which two statements accurately describe the Database Management's Autonomous Database monitoring capability?

  A. Database Management provides real-time and historical performance data, but is limited to monitoring CPU utilization on Autonomous Databases.
  B. Database Management does not support monitoring Autonomous Databases without enabling advanced features in the Autonomous Database itself.
  C. Database Management offers comprehensive performance monitoring for Autonomous Databases, including CPU utilization, I/O statistics, active session history, and SQL performance analysis.
  D. Database Management can monitor Autonomous Databases, however, the retention period for performance data is shorter compared to that of non-Autonomous Databases.
  C. Database Management offers comprehensive performance monitoring for Autonomous Databases, including CPU utilization, I/O statistics, active session history, and SQL performance analysis.
  D. Database Management can monitor Autonomous Databases, however, the retention period for performance data is shorter compared to that of non-Autonomous Databases.

• Question 13:

  Which two requirements must be met before you can create an Exadata Database Service VM Cluster?

  A. A configured Oracle Cloud Infrastructure (OCI) Vault and Key.
  B. A Virtual Cloud Network (VCN) with necessary subnets for client access and backups.
  C. A valid support identifier (SI) associated with the OCI account.
  D. A configured Exadata Cloud@Customer infrastructure.
  E. An Exadata Infrastructure resource must be created first.
  B. A Virtual Cloud Network (VCN) with necessary subnets for client access and backups.
  E. An Exadata Infrastructure resource must be created first.

• Question 14:

  Within the context of Oracle Cloud Infrastructure (OCI) Base Database Service (BaseDB) virtual machine (VM) provisioning, which action is typically the RESPONSIBILITY of the customer?

  A. Ensuring the underlying hardware infrastructure remains fault-tolerant.
  B. Managing the Oracle Grid Infrastructure software stack.
  C. Maintaining the OCI hypervisor software.
  D. Automatically applying critical security patches to the operating system.
  B. Managing the Oracle Grid Infrastructure software stack.

• Question 15:

  While operating a MySQL HeatWave cluster, you need to resize the HeatWave cluster to accommodate an increased workload. Which method is the most efficient and recommended way to scale the HeatWave cluster?

  A. Manually altering the innodb_buffer_pool_size and restarting the MySQL server.
  B. Using the OCI CLI or Console to adjust the HeatWave cluster's shape and node count.
  C. Modifying the underlying VM shapes of the MySQL Database System.
  D. Recreating the HeatWave cluster with the desired size.
  E. Performing a manual data export and import into a new, larger MySQL Database System.
  B. Using the OCI CLI or Console to adjust the HeatWave cluster's shape and node count.

• Question 16:

  What is the PRIMARY benefit of using Recovery Manager (RMAN) with block change tracking enabled in a BaseDB environment for incremental backups?

  A. It eliminates the need for full backups.
  B. It significantly reduces the time required for incremental backups by only backing up changed blocks.
  C. It automatically encrypts all backups with a user-defined key.
  D. It allows for point-in-time recovery to any SCN (System Change Number) without restoring a full backup.
  E. It automatically validates the integrity of full backups during the backup process.
  B. It significantly reduces the time required for incremental backups by only backing up changed blocks.

• Question 17:

  What is the MOST effective method to minimize the recovery time objective (RTO) for a BaseDB database in the event of a complete DB system failure, assuming both cost and complexity are important considerations?

  A. Relying solely on regular full database backups.
  B. Using Oracle Data Guard with synchronous replication to a remote region.
  C. Using Oracle Data Guard with asynchronous replication to a different availability domain within the same region.
  D. Performing frequent incremental backups with block change tracking enabled.
  E. Implementing a custom script to regularly copy data files to a secondary block volume.
  C. Using Oracle Data Guard with asynchronous replication to a different availability domain within the same region.

• Question 18:

  Which prerequisite is NOT required before enabling the Database Management Service for a cloud database in Oracle Cloud Infrastructure?

  A. The database must be running and accessible.
  B. The necessary IAM policies must be in place to grant the Database Management Service access to the database.
  C. The database must be configured with automatic backups enabled.
  D. The Oracle Management Agent must be installed and running on the database host, if applicable.
  C. The database must be configured with automatic backups enabled.

• Question 19:

  Which of the following actions would typically require the highest level of IAM permissions on a NoSQL table within Oracle NoSQL Database Cloud Service?

  A. Performing a simple read operation on a single row.
  B. Inserting a new row into the table.
  C. Updating an existing row in the table.
  D. Dropping the entire table.
  D. Dropping the entire table.

• Question 20:

  Which data formats are directly supported by the HeatWave Lakehouse feature for querying data in object storage?

  A. Only CSV (Comma Separated Values) files.
  B. Only Parquet files.
  C. CSV, Parquet, and Avro files.
  D. Only JSON files.
  E. Only XML files.
  C. CSV, Parquet, and Avro files.