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You have a Linux compute instance located in a public subnet in a VCN which hosts a web application. The security list attached to subnet containing the compute instance has the following stateful ingress rule.

The Route table attached to the Public subnet is shown below. You can establish an SSH connection into the compute instance from the internet. However, you are not able to connect to the web server using your web browser.

Which step will resolve the issue? (Choose the best answer.)

A. In the route table, add a rule for your default traffic to be routed to NAT gateway.

B. In the security list, add an ingress rule for port 80 (http).

C. In the security list, remove the ssh rule.

D. In the route table, add a rule for your default traffic to be routed to service gateway.

You have been contracted by a local e-commerce company to assist with enhancing their online shopping application. The application is currently deployed in a single Oracle Cloud Infrastructure (OCI) region. The application utilizes a public load balancer, application servers in a private subnet, and a database in a separate, private subnet.

The company would like to deploy another set of similar infrastructure in a different OCI region that will act as standby site. In the event of a failure at the primary site, all customers should be routed to the failover site automatically.

After deploying the additional infrastructure within the second region, how should you configure automated failover requirements? (Choose the best answer.)

A. Create a load balancer policy in the Traffic Management service. Configure one answer for each site. Set the answer for the primary site with a weight of 10 and the answer for the secondary site with a weight of 100.

B. Create a new A record in DNS that points to the public load balancer at the secondary site. Create a CNAME for the sub-domain failover that will resolve to the new A record. Inform customers to prepend the website URL with failover if the primary site is unavailable.

C. Create a failover policy in the Traffic Management service. Set the IP address of the public load balancer for the primary site in answer pool 1. Set the IP address of the public load balancer for the secondary site in answer pool 2. Define a health check to monitor both sites.

D. Deploy a new load balancer in the primary region. Create one backend set for the primary application servers and a second backend set for the standby application servers. Create a listener for the primary backend set with a timeout of 3 minutes. Create a listener for the secondary backend set with a timeout of 10 minutes.

Here is a partial code from a Terraform template written for Oracle Cloud Infrastructure (OCI): What operation(s) does it perform? (Choose the best answer.)

A. Provides object read and write access for an OCI Object Storage bucket.

B. Creates a pre-authenticated request for objects in an OCI Object Storage bucket.

C. Creates a URL to provide access to an OCI Object Storage bucket for managing objects.

D. Creates a lifecycle policy for an OCI Object Storage bucket for moving data to Archival storage at a specified time.

A developer has created a file system in Oracle Cloud Infrastructure (OCI) File Storage service. She launches an Oracle Linux compute instance and successfully mounts the file system from the instance.

She then tries writing to the file system from the compute instance using the following command:

touch /mnt/yourmountpoint/helloworld

But gets an error message:

touch: cannot touch ‘/mnt/yourmountpoint/helloworrld’: Permission denied

Which is a reason for this error? (Choose the best answer.)

A. ‘touch’ command is not available in Oracle Linux by default.

B. Service limits or quota for file system writes have been breached.

C. User is not part of any OCI Identity and Access Management group with write permissions to File Storage service.

D. User is connecting as the default Oracle Linux user ‘opc’ instead of ‘root’ user.

The boot volume on your Oracle Linux instance has run out of space. Your application has crashed due to a lack of swap space, forcing you to increase the size of the boot volume.

Which step should NOT be included in the process used to solve the issue? (Choose the best answer.)

A. Reattach the boot volume and restart the instance.

B. Attach the resized boot volume to a second instance as a data volume; extend the partition and grow the file system in the resized boot volume.

C. Stop the instance and detach the boot volume.

D. Resize the boot volume by specifying a larger value than the boot volume's current size.

E. Create a RAID 0 configuration to extend the boot volume file system onto another block volume.