Assume Oracle 1z0-1093-25 Dumps PDF Are going to be The Best Score [Q43-Q66]

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Assume Oracle 1z0-1093-25 Dumps PDF Are going to be The Best Score

Oracle Cloud 1z0-1093-25 Exam and Certification Test Engine

Oracle 1z0-1093-25 Exam Syllabus Topics:

Topic	Details
Topic 1	MySQL HeatWave Technical Overview: This section of the exam measures the skills of a MySQL Cloud Specialist and introduces MySQL HeatWave, Oracle’s high-performance analytics engine for MySQL. It includes provisioning, migrating existing MySQL databases to HeatWave, and working with its analytical and machine-learning capabilities. It also covers day-to-day operational activities within the MySQL HeatWave environment.
Topic 2	Exadata Database Service (ExaDB): This section of the exam measures the skills of a Database Infrastructure Engineer and focuses on the advanced Exadata Database Service. It includes the provisioning of Exadata systems, management of Exadata Cloud Infrastructure, and VM Cluster administration. It also evaluates knowledge of lifecycle management tasks and how to interact with various Exadata management utilities and interfaces.
Topic 3	Base Database Service – VM (BaseDB): This section of the exam measures the skills of a Cloud Database Administrator and covers the foundational elements of Oracle’s Base Database Service. It includes understanding what the BaseDB service is, how to provision and manage it, and lifecycle operations such as backups, recovery, patching, and upgrades. It also tests familiarity with monitoring and management interfaces used to control and observe the BaseDB environment.
Topic 4	NoSQL Database Service Technical Overview: This section of the exam measures the skills of a NoSQL Developer and explores Oracle’s NoSQL Database Service. It includes understanding the basics of NoSQL architecture, handling table-level security, rate limiting, and data modeling. It also covers concepts like provisioned throughput and the usage of language SDKs for interacting with NoSQL services on Oracle Cloud.
Topic 5	Oracle Cloud Infrastructure Database Management Service: This section of the exam measures the skills of a Cloud Operations Analyst and provides insight into Oracle’s Database Management Service on OCI. It focuses on enabling the service for databases, monitoring their performance, and performing diagnostic and tuning activities. It also covers tasks related to the administration of databases running on Oracle Cloud Infrastructure.

Q43. Which two statements are accurate regarding the lifecycle management of an Exadata VM Cluster?

The VM Cluster can be independently stopped and started without impacting the underlying Exadata Infrastructure.

The VM Cluster’s CPU core count can be dynamically scaled up or down without requiring a reboot.

Patching the Exadata Infrastructure automatically patches the VM Cluster and databases.

Modifying the shape of the Exadata Infrastructure automatically scales the VM Cluster resources proportionally.

The VM Cluster can be terminated independently, allowing reuse of the Exadata Infrastructure for a different VM Cluster.

Q44. When provisioning a new BaseDB VM, which statement BEST describes the relationship between the available Database Versions and the selected Operating System image?

All Database Versions are compatible with all Operating System images available in the OCI Marketplace.

Only Database Versions compatible with the underlying Operating System image are presented as options during provisioning.

The chosen Operating System image is automatically upgraded to the latest version compatible with the selected Database Version after provisioning.

The Database Version determines the Operating System image that will be used, irrespective of the initially selected image.

Q45. Which statement accurately describes the function of the HeatWave service in relation to a standard MySQL database?

HeatWave is a standalone database system that replaces MySQL, offering enhanced security features.

HeatWave provides an in-memory, massively parallel query accelerator to MySQL, improving analytical query performance.

HeatWave is a specialized version of MySQL designed solely for transactional workloads, optimized for high concurrency.

HeatWave acts as a caching layer in front of MySQL, speeding up access to frequently accessed data.

HeatWave is a clustering solution, where a single MySQL instance is split into multiple parts.

Q46. Which two options correctly describe methods for accessing and managing the Exadata Infrastructure?

Direct SSH access to the Exadata Infrastructure compute nodes is permitted for customers with root privileges.

Management of the Exadata Infrastructure is primarily performed through the Oracle Cloud Infrastructure (OCI) console and APIs.

The dbcli utility, used for database administration on VM DB Systems, can also be used to manage the Exadata Infrastructure.

Customers have direct access to the Exadata storage cells, allowing them to modify storage configurations.

Exadata Infrastructure management is solely managed by Oracle and is not directly accessible to customers.

Q47. 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?

Relying solely on regular full database backups.

Using Oracle Data Guard with synchronous replication to a remote region.

Using Oracle Data Guard with asynchronous replication to a different availability domain within the same region.

Performing frequent incremental backups with block change tracking enabled.

Implementing a custom script to regularly copy data files to a secondary block volume.

Q48. What are the two primary dimensions typically governed by table rate limits in Oracle NoSQL Database Cloud Service?

Storage capacity and network bandwidth.

Read throughput and write throughput.

CPU utilization and memory consumption.

Number of indexes and query complexity.

Q49. You need to monitor the data loading process into your HeatWave cluster to ensure optimal performance.
Which OCI service provides the most detailed information on data loading operations and potential bottlenecks?

OCI Notifications

OCI Service Connector Hub

OCI Monitoring with HeatWave specific metrics

OCI Streaming

OCI Functions

Q50. Which two statements are accurate regarding the placement of VM Clusters within an Exadata Cloud Infrastructure?

Only one VM Cluster can exist within an Exadata Cloud Infrastructure.

Multiple VM Clusters can be created within a single Exadata Cloud Infrastructure, allowing for workload isolation.

VM Clusters can span multiple Exadata Cloud Infrastructures, providing a single, unified database environment.

Each VM Cluster must be associated with its own dedicated VCN, isolating network traffic between clusters.

VM Clusters within the same Exadata Infrastructure can share a single VCN, simplifying network management.

Q51. When deploying Exadata Database Service, what is the PRIMARY benefit of using the “Cloud Tooling” deployment option versus manually configuring an on-premises Exadata system?

“Cloud Tooling” offers significantly more granular control over the underlying hardware configuration.

“Cloud Tooling” automates the provisioning, patching, and lifecycle management of the Exadata infrastructure.

“Cloud Tooling” completely eliminates the need for any database administrator intervention.

“Cloud Tooling” allows using older versions of Oracle Database that are no longer supported on- premises.

Q52. Oracle NoSQL Database Cloud Service’s key-value model is well-suited for certain types of applications.
Which of the following application scenarios would most directly benefit from the key-value data model’s characteristics?

An application requiring complex analytical queries and joins across multiple related datasets.

A social media platform needing to store and retrieve individual user profiles and their associated data quickly.

A financial system requiring strict transactional integrity and complex relationships between accounts and transactions.

A content management system needing to enforce a rigid schema for all documents and their metadata.

An enterprise resource planning (ERP) system managing intricate relationships between various business entities.

Q53. Which of the following is the recommended approach for migrating a large, mission-critical database from an on-premises Exadata system to Exadata Database Service with minimal downtime?

Traditional export/import using Data Pump over a public network.

Creating a physical standby database using Data Guard and switching over to the standby in OCI.

Performing a full backup and restore to a new Exadata Database Service instance.

Using SQL Developer to copy the data over a VPN connection.

Q54. Which two actions can be performed using the Automatic Database Diagnostic Monitor (ADDM) within Database Management to diagnose cloud database performance?

Generate recommendations for SQL plan baselines.

Automatically apply all ADDM recommendations to the database.

Identify root causes of performance bottlenecks, such as excessive I/O or CPU contention.

Automatically create indexes to improve query performance.

Q55. Which of the following components is responsible for automatically offloading suitable queries from MySQL to the HeatWave accelerator?

MySQL Query Optimizer

HeatWave AutoPilot

MySQL Router

MySQL Shell

Oracle Cloud Infrastructure (OCI) Load Balancer

Q56. Which aspect of NoSQL Database Cloud Service is LEAST impacted by the choice of SDK used in an application?

Syntax for querying data.

Method for authenticating with the service.

Underlying database architecture and scalability characteristics.

Error handling mechanisms.

Q57. Which two prerequisites are required before you can provision a MySQL HeatWave DB system?

A pre-configured MySQL database dump for initial data loading.

A Virtual Cloud Network (VCN) with appropriately configured subnets.

A configured OCI Vault with encryption keys for database security.

An OCI Compute instance to act as a client for the MySQL DB system.

A MySQL Enterprise Edition license.

Q58. You are tasked with monitoring the I/O performance of an Exadata Database Service (ExaDB) using the exadcli utility. You need to retrieve detailed statistics on Smart Flash Cache usage, including read and write operations, at the storage cell level. Which exadcli command will provide the most comprehensive information?

exadcli list metriccurrent -cell -metricname “IOPS,MBPS”

exadcli list metricdetail -cell -metricname “flashcache.*”

exadcli list metriccurrent -cell -metricname “cell.*”

exadcli list metrichistory -cell -metricname “flashcache_read_iops,flashcache_write_iops”

Q59. In a BaseDB environment configured with automatic backups, what happens to the automatic backups when the DB system is terminated?

All automatic backups are immediately and permanently deleted from object storage.

The most recent automatic backup is retained, while older backups are deleted.

All automatic backups are retained in object storage for a period determined by the original backup retention policy.

Automatic backups are migrated to a lower-cost archive storage tier.

The retention of automatic backups after DB system termination is configurable during DB system creation.

Q60. What role does the Exadata Storage Server Software play within the Exadata Database Service architecture?

It manages the virtual machines hosting the database instances.

It provides the operating system and management software for the database servers.

It provides intelligent storage capabilities, including data filtering, compression, and encryption.

It acts as a load balancer distributing connections across the database instances.

Q61. Which database lifecycle management operation in BaseDB requires the creation of a new database home and is non-reversible after completion?

Upgrading the Oracle Grid Infrastructure.

Scaling the compute shape of the VM.

Upgrading the Oracle Database software version.

Applying an operating system patch.

Enabling Automatic Storage Management (ASM).

Q62. When using the OCI Console, which two options are configurable during the initial provisioning of a MySQL HeatWave DB system?

The number of HeatWave nodes.

The MySQL version.

The character set for the database.

The storage size for the database.

The name of the initial database user.

Q63. Which statement best describes the principle of least privilege as it applies to table security management in Oracle NoSQL Database Cloud Service?

Granting all users full administrative access to all tables to simplify management.

Granting users only the minimum set of permissions required to perform their assigned tasks on specific tables.

Encrypting all tables with the highest level of encryption, regardless of the sensitivity of the data.

Regularly backing up all tables and storing the backups in a publicly accessible location.

Q64. Which two requirements must be met first to create an Exadata Database Service Instance?

You only need a VCN and Universal Cloud Credits.

You need to define the VCN, Private Client subnet, and Service Backup subnet.

You need to define the VCN, Private Client subnet, and Private Backup subnet.

There are no prerequisites for creating an Exadata Database Service instance.

You need to create an Exadata Infrastructure and VM Cluster resource.

Q65. Which two functionalities are provided by the SQL Performance Analyzer (SPA) within Database Management, aiding in cloud database tuning?

Automatically rewrite SQL queries to improve their performance.

Compare the performance of SQL statements before and after a database change (e.g., upgrade, parameter change).

Generate a report highlighting the performance impact of a specific database change on a set of SQL statements.

Analyze the execution plan of a SQL statement and suggest alternative indexing strategies.

Q66. What is the PRIMARY benefit of using Recovery Manager (RMAN) with block change tracking enabled in a BaseDB environment for incremental backups?

It eliminates the need for full backups.

It significantly reduces the time required for incremental backups by only backing up changed blocks.

It automatically encrypts all backups with a user-defined key.

It allows for point-in-time recovery to any SCN (System Change Number) without restoring a full backup.

It automatically validates the integrity of full backups during the backup process.