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Oracle 1z0-997-23 Exam Syllabus Topics:

Topic	Details
Topic 1	Automate infrastructure using Infrastructure-as-Code Design and implement workload migration to OCI with Oracle Cloud Migrations
Topic 2	Implement solutions to meet business and technical requirements Design scalable and resilient solutions for high availability and disaster recovery
Topic 3	Operate and troubleshoot solutions on OCI Design and implement multi-cloud architectures

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Oracle Cloud Infrastructure 2023 Architect Professional Sample Questions (Q12-Q17):

NEW QUESTION # 12
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.)

A. Use 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).
B. Create 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.
C. Create 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.

Answer: C

Explanation:
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.

NEW QUESTION # 13
(OCI) in two weeks. Their data center has been recently struck by a massive hurricane and the building has been badly damaged, although still operational. They have a 100 Mbps Internet line but the connection is intermittent due to the damages caused to the electrical grid.
In this scenario, what is the most effective service to use to migrate the data to OCI given the time constraints? (Choose the best answer.)

A. Setup a hybrid network by launching a 1Gbps FastConnect virtual circuit between your data center and OCI. Use OCI Object Storage multipart upload tool to automate the migration of your data to OCI.
B. Setup an OCI Storage Gateway to connect your data center and your VCN. Once the connection has been established, upload all data to OCI using OCI Storage Gateway Cloud Sync tool.
C. Use multiple OCI Data Transfer Appliances to transfer data to OCI.
D. Setup an OCI Storage Gateway to connect your data center and your VCN. Once the connection has been established, upload all data to OCI.
E. Upload the data to OCI using OCI Object Storage multipart upload tool.

Answer: C

Explanation:
Option A is correct because using multiple OCI Data Transfer Appliances to transfer data to OCI is the most effective service to use to migrate the data to OCI given the time constraints. This option can securely move terabytes or petabytes of data between on-premises data centers and the cloud in days instead of weeks or months. It also avoids using the public internet, which can be slow, unreliable, and expensive45.
Option B is incorrect because setting up an OCI Storage Gateway to connect your data center and your VCN and uploading all data to OCI is not effective given the time constraints. This option requires using the public internet, which can be intermittent due to the damages caused by the hurricane. It also requires installing and configuring a software appliance on your premises, which can add complexity and overhead6.
Option C is incorrect because setting up a hybrid network by launching a 1Gbps FastConnect virtual circuit between your data center and OCI and using OCI Object Storage multipart upload tool to automate the migration of your data to OCI is not feasible given the time constraints. This option requires provisioning a FastConnect circuit, which can take several days or weeks depending on your network provider. It also requires using a public internet backup path, which can be unreliable due to the hurricane .
Option D is incorrect because setting up an OCI Storage Gateway to connect your data center and your VCN and uploading all data to OCI using OCI Storage Gateway Cloud Sync tool is not effective given the time constraints. This option requires using the public internet, which can be intermittent due to the damages caused by the hurricane. It also requires installing and configuring a software appliance on your premises, which can add complexity and overhead6.
Option E is incorrect because uploading the data to OCI using OCI Object Storage multipart upload tool is not effective given the time constraints. This option requires using the public internet, which can be slow, unreliable, and expensive due to the hurricane and the large amount of data involved

NEW QUESTION # 14
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.

A. Oracle Cloud Infrastructure Exadata DB Systems
B. Oracle Cloud Infrastructure Bare Metal DB Systems
C. Autonomous Transaction Processing with shared Exadata infrastructure
D. Oracle Cloud Infrastructure Virtual Machine DB Systems

Answer: C

Explanation:
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 .

NEW QUESTION # 15
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.)

A. Add an entry in the access control list of ADW for CIDR block 10.2.2.0/24.
B. Add an entry in the access control list of ADW for IP address 129.146.160.11
C. Add an entry in the route table (associated with the private subnet) with destination of
0.0.0.0/0; target type of NAT Gateway, add 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.
D. Add an entry in the route table (associated with the private subnet) with destination of
0.0.0.0/0; target type of Internet Gateway, add 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.
E. Add an entry in the Security List of the ADW allowing ingress traffic for CIDR block
10.2.2.0/24

Answer: A,C

Explanation:
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.

NEW QUESTION # 16
Deploy a Serverless Function and Access Using an API Gateway
Deployment in OCI
Scenario
You have joined ACME as their new Cloud Solutions Architect.
Your organization wants to verify if they can execute their microservices deployed as serverless functions on another cloud provider using Oracle Functions in OCI.
Preconfigured
To complete this requirement, you are provided with the following:
* Access to an OCI Tenancy, an assigned compartment, and OCI credentials.
* Access to Cloud Shell to execute the Fn CLI and Docker commands.
* Code for a sample Python function, ExamFunction-main.zip.
* Permissions to perform only the tasks within the challenge.
Note: Throughout your exam, ensure to use assigned Compartment 99248134- C01 and Region us-ashburn-1 Complete the following tasks in the provisioned OCI environment:
1. Set up the context for Fn CLI and deploy the python function to exam-app.
a. Set up the Fn CLI context in Cloud Shell
i. Set your region and your assigned compartment
ii. Set your registry [repo-name-prefix], which must
be: [region_key].ocir.io/[tenancy-name]/{username}
For example, if your tenancy is ocuocictrng19, user name is 99346163-lab.user02 and region is US East Ashburn, your registry must be iad.ocir.io/ocuocictrng19/99346163-lab.user02.
Your username is 99248134-lab.user01
Your tenancy is ocuocictrng16
b. Login to the registry using docker login, which will require you to generate and use an Auth Token c. Use wget
https://objectstorage.us-ashburn1.oraclecloud.com/n/ocuocictrng5/b/PBT_Storage/o/ExamFunction-main.zipto upload the zip archive containing the Python function files to Cloud Shell.
d. Extract the files by using the unzip utility and navigate to the python sub-folder
e.Deploy the python function to the exam-app using an fn command f. Invoke the function at least 2 times using an fn command

Answer:

Explanation:
See the explanation for this task.
Explanation
To complete the task of setting up the context for Fn CLI and deploying the python function to exam-app, you can follow these steps:
a. Set up the Fn CLI context in Cloud Shell - In the OCI Console, go toDeveloper Servicesand clickFunctions
. - Select your assigned compartment from the list on the left. - ClickGetting Startedon the top right corner. - Copy and paste the commands from the section into the Cloud Shell window. This will create a new context for your region and compartment. - Set your registry [repo-name-prefix] by entering the following command in the Cloud Shell window:
`fn update context registry [region_key].ocir.io/[tenancy-name]/{username}` where [region_key] is the region key for your region (for example, iad for US East Ashburn), [tenancy-name] is the name of your tenancy (for example, ocuocictrng16), and {username} is your username (for example,
99248134-lab.user01).
For example, if your region is US East Ashburn, your tenancy is ocuocictrng16, and your username is
99248134-lab.user01, your command would be:
`fn update context registry iad.ocir.io/ocuocictrng16/99248134-lab.user01` b. Login to the registry using docker login, which will require you to generate and use an Auth Token - To generate an Auth Token, follow these steps: - In the OCI Console, open the Profile menu on the top right corner and clickUser Settings. - ClickAuth Tokenson the left panel and then clickGenerate Token. - Enter a description for the token and clickGenerate Token. - Copy and save the token value. You will not be able to see it again later. - To login to the registry using docker login, follow these steps: - In the Cloud Shell window, enter the following command:
`docker login [region_key].ocir.io`
where [region_key] is the region key for your region (for example, iad for US East Ashburn).
For example, if your region is US East Ashburn, your command would be:
`docker login iad.ocir.io`
- Enter your username in the format `[tenancy-name]/oracleidentitycloudservice/{username}` (for example, ocuocictrng16/oracleidentitycloudservice/99248134-lab.user01) and press Enter.
- Enter your Auth Token as the password and press Enter. You should see a message saying "Login Succeeded".
c. Use wget https://objectstorage.us-ashburn1.oraclecloud.com/n/ocuocictrng5/b/PBT_Storage/o/ExamFunction-main.zipto upload the zip archive containing the Python function files to Cloud Shell.
- In the Cloud Shell window, enter the following command: `wget https://objectstorage.us-ashburn1.oraclecloud.com/n/ocuocictrng5/b/PBT_Storage/o/ExamFunction-main.zip`
This will download the zip archive to your current directory.
d. Extract the files by using the unzip utility and navigate to the python sub-folder
- In the Cloud Shell window, enter the following commands: unzip ExamFunction-main.zip` cd ExamFunction-main/python`
This will extract the files from the zip archive and change your current directory to the python sub-folder.
e. Deploy the python function to the exam-app using an fn command - In the Cloud Shell window, enter the following command:
`fn deploy --app exam-app --local`
This will deploy the python function to the exam-app application using your local Docker image.
f. Invoke the function at least 2 times using an fn command - In the Cloud Shell window, enter the following command:
`fn invoke exam-app hellopython`
This will invoke the function and print its output.
- You can invoke the function again by repeating the same command or pressing Up Arrow and Enter keys.
You should see different outputs each time you invoke the function.

NEW QUESTION # 17
......

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