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| Section | Weight | Objectives |
|---|---|---|
| Database Management and Operations | 25% | - Configure auto-scaling and storage management - Implement backup, recovery and high availability strategies - Perform patching, upgrades and lifecycle management - Monitor and manage database performance and resources |
| AI Features and Capabilities | 30% | - Implement Select AI for natural language to SQL generation - Use Oracle Machine Learning within Autonomous Database - Apply AI-assisted performance tuning and optimization - Configure and use AI Vector Search |
| Security, Integration and Data Management | 20% | - Load, migrate and integrate data from various sources - Configure identity and access management - Implement data encryption and security controls - Use Autonomous Database tools for development and administration |
| Autonomous Database Architecture and Provisioning | 25% | - Provision and configure Autonomous Database on shared infrastructure - Integrate Autonomous Database with Oracle Cloud Infrastructure services - Describe Autonomous Database architecture and core components - Provision and configure Autonomous Database on dedicated infrastructure |
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質問 # 39
Which is NOT needed to manage Oracle Autonomous Database with REST APIs?
正解：A
解説：
Managing Autonomous Database via REST APIs relies on OCI authentication:
Correct Answer (D): “Database ADMIN password” is not needed. REST API access uses OCI IAM credentials, not database-level credentials like the ADMIN password.
Required Items:
A: User’s OCID identifies the API caller.
B: Tenancy’s OCID specifies the cloud environment.
C: Fingerprint of the public key authenticates API requests with a private-public key pair.
This ensures secure, external management without exposing database credentials.
質問 # 40
What is the default time range in Performance Hub?
正解：A
解説：
Performance Hub in Autonomous Database provides performance monitoring insights. The correct answer is:
24 Hours (C): When you open Performance Hub in the OCI console or Database Actions, the default time range displayed is the last 24 hours, shown in Coordinated Universal Time (UTC). This allows users to review recent performance metrics like CPU usage, SQL activity, and wait times. Users can adjust this range (e.g., to 1 hour or 1 week) as needed.
The incorrect options are:
15 Minutes (A): This is not a default option; it’s too short for a broad performance overview.
1 Hour (B): Available as an option, but not the default setting.
1 Week (D): Also available, but not the default; it’s a longer-term view users can select manually.
The 24-hour default balances recency and context for performance analysis.
質問 # 41
Which two statements are true about using an Oracle Autonomous Database with private endpoints? (Choose two.)
正解：B、D
解説：
Private endpoints enhance security for Autonomous Database:
Correct Answer (A): “A Network Security Group is required within your Virtual Cloud Network before you can provision a shared Autonomous Database to use private endpoints” is true. An NSG is mandatory to define ingress/egress rules for the private subnet hosting the endpoint.
Correct Answer (C): “Private endpoints can be configured when you clone a shared Autonomous Database that was initially created with public endpoints” is true. Cloning allows switching to a private endpoint configuration.
Incorrect Options:
B: Private endpoints are inaccessible from the public internet, even with ACLs; that’s their purpose.
D: Always Free tier doesn’t support private endpoints; it’s limited to public access.
This ensures isolated, secure connectivity.
質問 # 42
Users connect to Autonomous Data Warehouse by using one of the following consumer groups: High, Medium, and Low. Which statement is true?
正解：C
解説：
Autonomous Data Warehouse (ADW) uses consumer groups (High, Medium, Low) to manage resource allocation:
Correct Answer (A): “Low provides highest concurrency and lowest resources, and DoP is 1” is true. The Low group is designed for many lightweight, short-running queries, offering maximum concurrent sessions but minimal CPU/memory per session, with a Degree of Parallelism (DoP) of 1 (serial execution).
Incorrect Options:
B: High prioritizes resources, not concurrency; it has fewer sessions with more power.
C: Medium offers balanced resources and concurrency; queries can run in parallel (DoP > 1), not just serially.
D: High has high resources but low concurrency; DoP is typically higher than 1 for resource-intensive tasks.
This setup optimizes ADW for varied workloads.
質問 # 43
Which three options are available to access data in an Autonomous JSON Database?
正解：A、B、E
解説：
Full Detailed In-Depth Explanation:
Autonomous JSON Database supports:
A: True. SODA provides NoSQL-style access for JSON documents.
B: False. SQL is secondary; SODA/REST are primary for JSON data.
C: True. REST APIs are supported but require enablement.
D: True. The OCI console offers the JSON Online Developer tool.
E: False. No such downloadable tool exists for Autonomous JSON.
質問 # 44
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