You are asked to deploy a new application that has been designed to scale horizontally. The business stakeholders have asked that the application be deployed in us-phoenix-1. Nor-mal usage requires 2 OCPUs.
You expect to have few spikes during the week, that will require up to 4 OCPUs, and a major usage uptick at the end of each month that will require 8 OCPUs. What is the most cost-effective approach to implement a highly available and scalable solution? (Choose the best answer.)

• A.Create an instance pool with a VM.Standard2.2 shape instance configuration. Set up the autoscaling configuration to use 2 availability domains and have a minimum of 2 in-stances, to handle the weekly spikes, and a maximum of 4 instances.
• B.Create an instance with 1 OCPU shape. Use the Resize Instance action to scale up to a larger shape when more resources are needed.
• C.Create an instance with 1 OCPU shape. Use a CLI script to clone it when more re-sources are needed.
• D.Create an instance pool with a VM.Standard2.1 shape instance configuration. Set up the autoscaling configuration to use 2 availability domains and have a minimum of 2 in-stances and a maximum of 8 instances.

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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?

• A.Ansible
• B.Terraform
• C.OCI CLI
• D.OCI Package Manager

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A company is developing a highly available web application, which will be hosted on Oracle Cloud Infrastructure (OCI). For high reliability, the Load Balancer's health status is very important. Which of the following may lead to an unhealthy Load Balancer?

• A.Misconfigured security rule.
• B.VCN Network Security Groups (NSG) or Security Lists lock traffic.
• C.Storage size assigned to one of the Block Storage services.
• D.Issue with 55 connections trying to access an instance

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One of your development teams has asked for your help tostandardize the creation of several compute instances that must be provisioned each day of the week. You initially write several Command Line Interface (CLI) commands with all appropriate configuration parameters to achieve this task later determining this method lacks flexibility. Which command generates a JSON-based template that Oracle Cloud Infrastructure (OCI) CLI can use to provision these instances on a regular basis? (Choose the best answer.)

• A.oci compute instance launch --generate-full-command-json-input
• B.oci compute instance launch --generate-cli-skeleton
• C.oci compute provision-instance --generate-full-command-json-input
• D.oci compute instance create --generate-cli-skeleton

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Multiple teams are sharing a tenancy in Oracle Cloud Infrastructure (OCI). You are asked to figure out an appropriate method to manage OCI costs. Which is NOT a valid technique to accurately attribute costs to resources used by each team? (Choose the best answer.)

• A.Create a Cost-Tracking tag. Apply this tag to all resources with team information. Use the OCI cost analysis tools to filter costs by tags.
• B.Create separate compartment for each team. Use the OCI cost analysis tools to filter costs by compartment.
• C.Create an Identity and Access Management (IAM) group for each team. Create an OCI budget for each group to track spending.
• D.Define and use tags for resources used by each team. Analyze usage data from the OCI Usage Report which has detailed information about resources and tags.

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