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Most Recent Oracle 1Z0-997-23 Exam Questions & Answers


Prepare for the Oracle Cloud Infrastructure 2023 Architect Professional exam with our extensive collection of questions and answers. These practice Q&A are updated according to the latest syllabus, providing you with the tools needed to review and test your knowledge.

QA4Exam focus on the latest syllabus and exam objectives, our practice Q&A are designed to help you identify key topics and solidify your understanding. By focusing on the core curriculum, These Questions & Answers helps you cover all the essential topics, ensuring you're well-prepared for every section of the exam. Each question comes with a detailed explanation, offering valuable insights and helping you to learn from your mistakes. Whether you're looking to assess your progress or dive deeper into complex topics, our updated Q&A will provide the support you need to confidently approach the Oracle 1Z0-997-23 exam and achieve success.

The questions for 1Z0-997-23 were last updated on Dec 21, 2024.
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Question No. 1

A large E-commerce company is looking to run seasonal workloads in Oracle Cloud

Infrastructure. The Oracle database used by their E-commerce application can use up to 52

cores at peak workloads. Due to the seasonal nature of the business, the database will be not

be used for 10 months in a year and can also be shut down during non-business hours.

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Correct Answer: A

Option A is correct because using Autonomous Transaction Processing with shared Exadata infrastructure is the most suitable option for running seasonal workloads in Oracle Cloud Infrastructure. Autonomous Transaction Processing is a fully managed, serverless, and elastic database service that can scale up or down automatically based on the workload demand. It also supports stopping and starting the database to save costs when it is not in use. It runs on Exadata infrastructure, which provides high performance, availability, and security for transactional and mixed workloads12.

Option B is incorrect because using Oracle Cloud Infrastructure Exadata DB Systems is not optimal for running seasonal workloads in Oracle Cloud Infrastructure. Exadata DB Systems are dedicated, high-performance database systems that can run multiple databases with different shapes and versions. However, they are not serverless or elastic, and they do not support stopping and starting the database. They are more suitable for mission-critical and steady-state workloads that require consistent performance and availability3 .

Option C is incorrect because using Oracle Cloud Infrastructure Virtual Machine DB Systems is not optimal for running seasonal workloads in Oracle Cloud Infrastructure. Virtual Machine DB Systems are flexible and cost-effective database systems that can run single-node or RAC databases with different shapes and versions. However, they are not serverless or elastic, and they do not support stopping and starting the database. They are more suitable for development, testing, or production workloads that require moderate performance and availability .

Option D is incorrect because using Oracle Cloud Infrastructure Bare Metal DB Systems is not optimal for running seasonal workloads in Oracle Cloud Infrastructure. Bare Metal DB Systems are high-performance database systems that run single-node databases with locally attached NVMe storage. However, they are not serverless or elastic, and they do not support stopping and starting the database. They are more suitable for high-performance, latency-sensitive, specialized, or traditional workloads that require full control over the entire cloud stack .


Question No. 2

Your company needs to migrate a business critical application from your data center to

Oracle Cloud Infrastructure (OCI). The application runs on Oracle * Deploy Virtual Machine RAC

DB system on OCI and use the Oracle Database Backup module with RMAN to migrate the

data from customer on-premises to OCI. The application server is WebLogic server running on

multiple 4-core servers and the database is deployed as an Oracle Database Enterprise Edition

RAC database on 2 servers (4-cores each). Which method of database migration should you

choose so that the application has minimal impact? (Choose the best answer.)

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Correct Answer: A

Option A is correct because deploying a Virtual Machine RAC DB system on OCI and using the ZDM tool for the database migration is a method that can minimize the impact on the application. ZDM is a software solution that allows you to directly and seamlessly migrate your on-premises Oracle Databases to the Oracle Cloud, whether in OCI or ExaCC.ZDM supports a wide range of Oracle Database versions, and ensures that there is minimal to no production downtime during the migration1.ZDM also supports migrating RAC databases to RAC databases on OCI2.

Option B is incorrect because deploying an Autonomous Transaction Processing Database on OCI and using the MV2ADB tool for the database migration is not a suitable method for this scenario. MV2ADB is a command-line tool that allows migrating data from an Oracle database on-premise to Oracle Autonomous Database in ''one-click''.It is based on Oracle Data Pump export and import utility3.However, MV2ADB does not support migrating RAC databases to Autonomous Database, nor does it support migrating Enterprise Edition databases to Autonomous Database4.

Option C is incorrect because deploying an Exadata Cloud Service Base rack and using Oracle Data Pump tool to migrate the data from customer on-premises to OCI is not a method that can minimize the impact on the application.Oracle Data Pump is a technology that enables you to move data and metadata from one database to another5. However, Oracle Data Pump requires intermediate storage for the dump files, which can add complexity and overhead. It also requires downtime during the export and import operations, which can affect the availability of the application.


Question No. 3

You are running a mission-critical database application in Oracle Cloud Infrastructure (OCI).

You regular backups of your DB system to OCI Object Storage. Recently, you notice a failed

database back status in the console. * Ensure that the database is not active and running while

the backup is in progress.

What troubleshooting action can you perform to determine the cause of the backup failure?

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Correct Answer: C

Option A is incorrect because restarting the dcsagent program might be necessary if it has the status of stop/waiting to resolve a backup failure1. This is one of the possible database service agent issues that can cause backup failures.

Option B is incorrect because setting the database archiving mode to NOARCHIVELOG will prevent you from performing online backups.You need to set the database archiving mode to ARCHIVELOG to enable online backups1. This is one of the possible database issues that can cause backup failures.

Option C is correct because ensuring that your database host can connect to OCI Object Storage is essential for performing backups.You need to check the object store connectivity issues that can cause backup failures, such as firewall rules, proxy settings, network routes, and security lists1.


Question No. 4

You are working as a solution architect with a global automotive provider who is looking to

create a multi-cloud solution. They want to run their application tier in * Deploy the Oracle

database system into a public subnet in your VCN and assign a public IP address. Connect your

application tier running in Azure to the public IP address of the database system over the

internet.

Microsoft Azure while utilizing the Oracle DB Systems in the Oracle Cloud Infrastructure (OCI).

What is the most-fault tolerant and secure solution for this customer? (Choose the best answer.)

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Correct Answer: A

Option A is correct because creating a FastConnect virtual circuit with Microsoft Azure as the provider to establish a private interconnect between the application tier running in the Azure Virtual Network and the OCI VCN that contains the Oracle Databases is the most-fault tolerant and secure solution for this customer. This option provides low latency, high throughput, and consistent network performance across the clouds.It also avoids exposing the traffic to the public internet, which enhances security and reliability12.

Option B is incorrect because creating an encrypted, Virtual Private Network connection between the Microsoft Azure Virtual Network that contains the application tier and the OCI Virtual Cloud Network (VCN) that contains the Oracle Databases is not as fault-tolerant and secure as option A.This option relies on the public internet for connectivity, which can introduce latency, bandwidth limitations, and security risks12.

Option C is incorrect because using an OCI Virtual Cloud Network remote peering connection to create a remote network connection between the application tier running in Microsoft Azure Virtual Network and Oracle Databases running in the OCI Virtual Cloud Network (VCN) is not possible. Remote peering connections can only be used to connect two VCNs within the same region or across regions within OCI.They cannot be used to connect a VCN with a VNet in another cloud provider3.


Question No. 5

You designed and deployed your Autonomous Data Warehouse (ADW) so that it is

accessible from your on-premise data center and servers running on both private and public

networks in Oracle Cloud Infrastructure (OCI).

As you are testing the connectivity to your ADW database from the different access paths, you

notice that the server running on the private network is unable to connect to ADW.

Which two steps do you need to take to enable connectivity from the server on the private network to

ADW? (Choose two.)

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Correct Answer: B, E

Option A is incorrect because adding an entry in the Security List of the ADW allowing ingress traffic for CIDR block 10.2.2.0/24 will not enable connectivity from the server on the private network to ADW.This is because ADW does not use security lists to control access to its database service2.

Option B is correct because adding an entry in the route table (associated with the private subnet) with destination of 0.0.0.0/0; target type of NAT Gateway, will allow outbound internet access from the server on the private network without exposing its private IP address3. Additionally, adding a stateful egress rule to the security list (associated with the private subnet) with destination of 0.0.0.0/0 and for all IP protocols will allow outbound traffic from any source port to any destination port.

Option C is incorrect because adding an entry in the access control list of ADW for IP address 129.146.160.11 will not enable connectivity from the server on the private network to ADW. This is because this IP address belongs to the NAT gateway, not to the server on the private network.

Option D is incorrect because adding an entry in the route table (associated with the private subnet) with destination of 0.0.0.0/0; target type of Internet Gateway, will expose the private IP address of the server on the private network to the public internet3. This is not recommended for security reasons and may also cause routing conflicts.

Option E is correct because adding an entry in the access control list of ADW for CIDR block 10.2.2.0/24 will allow access from any IP address within that range, including the server on the private network2.


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