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| Section | Weight | Objectives |
|---|---|---|
| Migrate Oracle Databases to Oracle AI Database@Azure | 15% | - Migration validation and cutover - Migration strategy selection - Oracle Data Pump - Zero Downtime Migration - Data Guard and GoldenGate - RMAN-based migration |
| Secure Oracle AI Database@Azure | 15% | - Oracle-managed and customer-managed keys - Database and infrastructure access control - Network isolation - Auditing and logging - Azure and OCI separation of duties - Encryption in transit - Transparent Data Encryption |
| HA and DR with Oracle AI Database@Azure | 10% | - Point-in-time recovery - Switchover and failover - Backup and restore - Availability zones and Exadata redundancy - RTO and RPO considerations - High availability architecture - Data Guard and Autonomous Data Guard |
| Configure Oracle AI Database@Azure Networking | 15% | - ExpressRoute and site-to-site connectivity - Network security groups - User-defined routes - Oracle.Database network attachments - Default and advanced networking - DNS resolution and private connectivity - Delegated subnets - VNet peering and connectivity |
| Oracle AI Database@Azure Architecture and Onboarding | 20% | - Roles and permissions - Oracle AI Database@Azure architecture - Azure Marketplace purchase and onboarding - Azure regions and OCI availability zones - Microsoft Entra ID and OCI IAM federation - Azure subscription and OCI tenancy linking |
| Provision and Operate Oracle AI Database@Azure Resources | 20% | - Autonomous Database Serverless - Patching and maintenance - Exadata Infrastructure and VM Clusters - Scaling and resource management - Cloning and refreshing databases - Quotas and service limits - Container and Pluggable Databases - Monitoring and database management |
| Introduction to Multicloud | 5% | - Multicloud concepts and Oracle AI Database@Azure |
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問題 #102
By default, how many delegated subnets can Oracle AI Database@Azure use before a service limit increase must be requested?
答案：D
解題說明：
Oracle AI Database@Azure has a default regional service limit of five delegated subnets . Once a deployment requires more than five delegated subnet links in a region, the customer must request a service- limit increase.
This aggregate regional limit must not be confused with the separate VNet design rule. An individual Azure VNet can contain a maximum of one delegated subnet for Oracle AI Database@Azure, but an organization can have several VNets and therefore several delegated subnets across the same region up to the default service limit.
Oracle identifies the relevant service-limit metadata as:
Service: Multicloud
Resource: Delegated Subnet Multicloud Links
Limit name: azure-delegated-subnet-count
The limit operates at regional scope. Therefore, creating additional peerings or Route Servers does not bypass it; the correct approach is to request additional service capacity through Oracle's service-limit process.
Values of 1, 3, and 10 do not represent the default regional limit.
Therefore, A. 5 is correct.
Study Guide reference: Configure Oracle AI Database@Azure Networking - delegated subnet quotas and service-limit increases.
問題 #103
Your database administrator enabled a backup retention lock on an Autonomous AI Database in Oracle AI Database@Azure but now needs to reduce the retention period. What must you do to disable this retention lock or alter the retention period?
答案：B
解題說明：
Backup Retention Lock is a protection mechanism intended to prevent administrators or compromised credentials from prematurely reducing the recoverability window of Autonomous AI Database backups. Once the lock is established, normal administrative interfaces cannot simply disable it or reduce the protected backup-retention period.
Oracle's Autonomous AI Database documentation explicitly states that after the backup retention lock has been set, the option cannot be disabled or the retention period changed through ordinary database administration. To disable the lock or modify the locked retention setting, the administrator must file a Service Request with Oracle Cloud Support .
This design provides an administrative separation between ordinary database management and an action that could materially weaken backup protection. Changing an Azure Key Vault key has no relationship to the retention-policy lock. An SQL ALTER DATABASE command cannot override a service-level backup governance control, and the Azure Portal does not expose a supported bypass to reduce the locked period.
Accordingly, A is the only supported escalation path in the choices.
Study Guide reference: Secure Oracle AI Database@Azure - Autonomous AI Database backup protection, retention policy, retention lock and operational security controls.
問題 #104
What is the allowed range of days for the automatic backup retention period when configuring an instance of Oracle Autonomous AI Database Serverless in Oracle AI Database@Azure?
答案：C
問題 #105
An enterprise configures an Azure User-Defined Route (UDR) with a prefix of 10.0.0.0/16 to route traffic to an Oracle AI Database@Azure instance that resides in a delegated subnet sized at 10.0.0.0/24. What is the consequence of configuring this less specific UDR prefix?
答案：B
解題說明：
Oracle's Hub-and-Spoke design guidance defines an important UDR rule for Oracle AI Database@Azure delegated subnets: the route prefix must be at least as specific as the delegated subnet CIDR . A /24 delegated subnet therefore cannot be reliably represented by a broader /16 route when the architecture requires the delegated subnet-specific path.
The less-specific route can fail to take precedence over more-specific system or service routes. This creates the possibility that traffic takes one route toward the database but returns through a different route. Such asymmetric routing is especially problematic with Azure Firewall or an NVA because stateful firewalls expect both directions of a connection to traverse the same inspection point. If the return packet follows a different path, the firewall can drop the session.
A UDR has no mechanism for duplicating VNICs, changing SQL*Net encryption, or resizing the underlying subnet. It simply influences Layer-3 forwarding.
Therefore, A accurately describes the documented routing consequence.
Study Guide reference: Configure Oracle AI Database@Azure Networking - UDR prefix specificity, delegated subnet routing, Hub-and-Spoke and asymmetric routing prevention.
問題 #106
You have deployed a primary Exadata VM cluster in one Azure region and a standby in a distant paired region using Active Data Guard. Round-trip latency between the regions exceeds the threshold for synchronous redo transport, but the application requires zero data loss on regional failover. What should you configure?
答案：B
解題說明：
Oracle Active Data Guard Far Sync is specifically designed to provide zero-data-loss protection when the physical standby database is too geographically distant for direct synchronous redo transport without unacceptable primary-database latency.
The primary database sends redo synchronously to a nearby Far Sync instance. Because the Far Sync instance is positioned within low network latency of the primary, the primary can obtain the acknowledgement required for zero-data-loss protection without waiting for communication with the distant standby. Far Sync then forwards the redo asynchronously across the higher-latency interregional connection to the remote standby.
Oracle's Oracle Database@Azure reference architecture explicitly uses this pattern: the primary sends redo in SYNC mode to its local Far Sync instance, which forwards it in ASYNC mode to the remote standby database.
Maximum Performance using ASYNC alone permits a potential data-loss window. A snapshot standby is intended primarily for temporary read/write testing. Fast-Start Failover automates role transitions but requires an Observer and does not independently solve the synchronous-transport latency problem.
Therefore, C is correct. Study Guide reference: HA and DR - Active Data Guard Far Sync and zero-data- loss cross-region protection.
問題 #107
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