Curious about Actual Oracle Cloud (1Z0-1093-25) Exam Questions?

Correct : A

A . cellcli alter iormplan database dbname shares=value

CellCLI Utility:

cellcli is a command-line interface used to manage Exadata storage cells.

The alter command is used to modify existing configurations, including IORM plans.

IORM (I/O Resource Management):

Helps control how I/O resources are allocated among databases.

The shares parameter adjusts the relative priority of I/O requests.

Correct syntax for adjusting IORM:

bash

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cellcli -e 'alter iormplan database dbname shares=value'

Why the other options are incorrect:

B . configure iormplan: Used for creating or setting up new IORM plans, not for modification.

C . modify iormplan: modify is not a valid command in CellCLI for IORM.

D . change iormplan: No such command exists in CellCLI.

Oracle Exadata Documentation: IORM Configuration

Correct : C

C . Using Oracle Data Guard for a switchover operation:

A switchover is a planned role reversal between the primary and standby databases.

Zero data loss: Since both databases are synchronized, it minimizes downtime.

Ideal for planned maintenance: The primary database is switched to the standby, allowing maintenance on the original primary without downtime.

Data Guard Switchover:

sql

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ALTER DATABASE SWITCHOVER TO standby_db;

Why the other options are incorrect:

A . Full backup with RMAN: Backup does not ensure availability during maintenance.

B . In-place upgrade: Typically involves downtime.

D . Quarterly patch: Patching often requires database restarts, causing downtime.

E . Resizing block volume: Does not maintain availability if the database requires restarting.

Oracle Data Guard Documentation: Switchover Operations

Correct : B, E

B . Multiple VM Clusters within a single Exadata Infrastructure:

Multiple clusters can coexist, each isolated for specific workloads.

Supports resource optimization and isolation.

E . Sharing a single VCN:

VM Clusters within the same Exadata Infrastructure can be configured to use the same Virtual Cloud Network (VCN), streamlining network management.

Why the other options are incorrect:

A . Only one VM Cluster: Incorrect as multiple clusters are supported.

C . Spanning multiple infrastructures: VM Clusters do not span Exadata Infrastructures; they are confined to a single infrastructure.

D . Dedicated VCN for each cluster: Unnecessary, as clusters can share a VCN.

Oracle Exadata Cloud Infrastructure Documentation: VM Cluster Configuration

Correct : B

B . Optimizing schema and indexes:

Efficient schema design reduces the number of read/write operations.

Proper indexing reduces the need to scan large data volumes, minimizing the number of read capacity units (RCUs) consumed.

This proactive approach helps stay within the provisioned rate limits, avoiding throttling.

Why the other options are incorrect:

A . Increasing storage capacity: Does not address the rate of operations, only storage volume.

C . Disabling encryption: Unwise due to security risks and does not significantly impact rate limits.

D . Consolidating data into one table: Likely increases the rate of operations, worsening the problem.

Oracle NoSQL Database Cloud Service Documentation: Managing Table Rate Limits

Correct : C

C . MySQL Shell Upgrade Checker Utility:

The utility analyzes MySQL instances for compatibility with newer versions, such as MySQL 8.0 used by HeatWave.

It checks for:

Syntax differences

Data type mismatches

Deprecated features

The tool outputs a report highlighting issues that may impact migration to HeatWave.

Why the other options are incorrect:

A . MySQL Enterprise Monitor: Focuses on monitoring performance, not compatibility.

B . Oracle SQL Developer: Primarily used for database development, not upgrade checks.

D . Oracle Cloud Advisor: Provides cloud optimization recommendations, not MySQL compatibility checks.

E . MySQL Workbench: A visual tool for database design and administration, not specifically for upgrade assessment.

MySQL Shell Documentation: Upgrade Checker Utility