Oracle 1z0-997-23 Oracle Cloud Infrastructure 2023 Architect Professional Exam Practice Test

• Option A is incorrect because using OCI Traffic management service with failover steering policy will not distribute the traffic between OCI and on premises infrastructure. Failover steering policy will only route traffic to a secondaryendpoint if the primary endpoint is unresponsive2. This is not suitable for a gradual migration scenario.
• Option B is correct because using OCI Traffic management service with Load Balancing steering policy will distribute the traffic between OCI and on premises infrastructure based on a ratio or round robin algorithm2. This will allow you to control the percentage of traffic that goes to the new infrastructure in OCI and monitor the results.
• Option C is incorrect because using an OCI load Balancer will not distribute the traffic between OCI and on premises infrastructure. A load balancer will only distribute the traffic among multiple compute instances within a single region in OCI2. This will not help you migrate from your on premises infrastructure.
• Option D is incorrect because using VPN connectivity between on premises Infrastructure and OCI and creating routing tables to distribute the traffic between them will require more effort than using OCI Traffic management service. You will need to set up a VPN connection, configure routing rules, and monitor the network performance2. This will not be as simple and reliable as using a DNS-based solution.

• 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 isone 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.

To complete the task of creating a public API Gateway and invoking a private function in OCI, you can follow these steps:

• To create a new public API Gateway in your compartment named exam-gateway, follow these steps:
• To create a new API Deployment named exam-deployment using /v1 as the path prefix in exam-gateway, follow these steps:
• To create a new route by using /hello as the path and GET as the method, follow these steps:
• To create a new stateful CIDR Ingress Rule that allows for TCP HTTPS traffic (port 443) from all IP addresses and ports in the default Security List for exam-vcn, follow these steps:
• To use curl to call the function via your API Gateway deployment, follow these steps:

curl -k -X GET {deployment-endpoint}/v1/hello

where {deployment-endpoint} is the base URL that you copied.

For example, if your deployment endpoint is https://abc123xyz456.apigateway.us-ashburn-1.oci.customer-oci.com, your command would be:

curl -k -X GET https://abc123xyz456.apigateway.us-ashburn-1.oci.customer-oci.com/v1/hello

This will send a GET request to your API Deployment and invoke your function. You should see a response similar to this:

{"message": "Hello World!"}