You set up a bastion host in your VCN to only allow your IP address (140.19.2.140) to establish SSH connections to your Compute Instances that are deployed in a private subnet. The Compute Instances have an attached Network Security Group with a Source Type: Network Security Group (NSG), Source NSG: NSG050504. To secure the bastion host, you added the following ingress rules to its Network Security Group: However, after checking the bastion host logs, you discovered that there are IP addresses other than your own that can access your bastion host. What is the root cause of this issue? (Choose the best answer.)
You are working with Terraform on your laptop and have been tasked with spinning up multiple compute instances in Oracle Cloud Infrastructure (OCI) for a project. In addition, you are also required to collect IP addresses of provisioned instances and write them to a file and save it in your laptop. Which specific Terraform functionality can help accomplish this task? (Choose the best answer.)
You are running an old version of PostgreSQL on several compute instances and want to update to the latest version. Which tool must you use to update the PostgreSQL packages on the existing machines?
You are an admin of an OCI tenancy. To save cost, you want to restrict the amount of OCPUs that can be provisioned in each compartment. Which will allow this?
You are using a load balancer to distribute traffic to an autoscaling instance pool running an HTTP application. You want to periodically check if all compute instances in the pool, including the new instances provisioned by autoscaling. are responding on TCP port 80. How can you achieve this?
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