You need to run a dedicated compute instance where no other tenant's virtual instances can share the underlying physical hardware. Which OCI service or feature should you use?
You are deploying a Container Engine for Kubernetes (OKE) cluster and want to ensure that worker nodes are distributed across separate physical hardware infrastructures to maximize fault tolerance. Which feature should you configure during cluster creation?
You need to migrate a Windows Server boot volume containing sensitive application data across regions in OCI. What is the recommended and most secure sequence of steps?
You are managing an OKE cluster and need to inspect the logs of the cluster control plane components (such as `kube-apiserver` and `kube-controller-manager`). Where are these logs sent by default in OCI?
You are managing an OKE cluster and need to inspect application container logs that are written to stdout/stderr by pods running on worker nodes. What is the standard kubectl command to view these logs?
You are troubleshooting a function timeout in OCI Functions. You notice that the function takes 30 seconds to initialize database connections on every cold start. How can you optimize this initialization overhead?
A development team needs to deploy an application that requires exactly 6 OCPUs and 32 GB of memory. Which compute option best satisfies this requirement efficiently without wasting resources?
You are migrating a legacy application to OCI. The application requires a specific network interface card (NIC) virtualization mode and custom UEFI boot parameters that are not standard. Where should you configure these custom launch options?
You manage an instance pool backed by an autoscaling configuration. The pool reaches its maximum limit of 10 instances due to a traffic spike. A hardware maintenance event triggers a retirement notification for one of the instances in the pool. How does OCI Instance Pools with Autoscaling handle this retired instance?
Your serverless application built on OCI Functions needs to process events coming from OCI Object Storage when a new file is uploaded. What is the primary mechanism to trigger the function?
You want to create a custom gold image of a Linux compute instance containing specific security configurations and pre-installed agents. Which OCI feature should you use?
You are deploying a high-performance database workload on OCI that requires raw, low-latency NVMe drives for transaction logging. Which compute shape should you select?
You are managing a Kubernetes cluster on OCI (OKE) and need to upgrade the Kubernetes control plane version. What happens to the existing worker nodes when you perform a control plane upgrade?
An autoscaling configuration is attached to your instance pool. You notice that instances are scaling out correctly based on CPU utilization, but you want to ensure that scaling events do not happen too frequently in response to brief traffic spikes. Which setting should you adjust?
You are setting up an autoscaling configuration for an instance pool. You want the pool to scale out when CPU utilization exceeds 80% and scale in when CPU utilization drops below 20%. What type of autoscaling policy should you create?
You need to run an OCI Function that connects to an Oracle Autonomous Database secured within a private subnet. How should you configure the function to access the database securely without exposing it to the public internet?
You have created an instance configuration from a running compute instance. You now want to use this instance configuration to create an instance pool. Which parameter must you specify during the creation of the instance pool?
Your OKE cluster has a node pool running in a private subnet. A developer needs to troubleshoot a running node via SSH, but direct external SSH access is disabled. What is the recommended secure way to access the node?
You need to resize the boot volume of an existing OCI Linux compute instance to provide more disk space for application logs. What is the correct sequence of actions?
You are deploying an application on OCI Functions. The function requires external Python packages that are not part of the standard library. How should you include these dependencies?
You are troubleshooting a performance issue on an OCI compute instance. You suspect that the instance is experiencing CPU throttling due to credits being exhausted. Which compute shape type are you most likely using?
Which OCI service feature enables you to automatically create identical compute instances based on an instance configuration and adjust the pool size based on demand?
You are managing a large OKE cluster and notice that pods are failing to schedule because the worker nodes have run out of ephemeral storage. What is the most robust architectural solution to address this?
You are configuring an autoscaling policy for an instance pool. You choose a schedule-based policy to scale out the pool to 20 instances every Monday at 8:00 AM. What happens if an instance within the pool fails due to hardware degradation during the weekend when the pool size is set to 5?
You are migrating an on-premises virtual machine image in QCOW2 format to OCI. Before you can launch compute instances from this image in OCI, what must you do with the file?
You have an OKE cluster and want to expose multiple HTTP and HTTPS microservices running in your cluster externally using a single public IP address and path-based routing. Which OCI native component should you deploy?
You are running an application on an OKE cluster. You want to ensure that specific pods belonging to a high-priority database caching tier are never scheduled onto the same worker node as each other to avoid a single node failure taking down the entire cache tier. What Kubernetes feature should you configure?
You want to deploy an OCI Function and test it locally on your developer workstation before pushing it to Oracle Functions Registry. Which command in the fn CLI initializes a new function project template?
You have an instance pool with 5 instances. You update the associated instance configuration with a new custom image containing security patches. How do you apply this new configuration to the existing instances in the pool?
You are planning to deploy a high-performance computing (HPC) cluster on OCI requiring extremely high packet per second (PPS) and ultra-low latency between compute nodes. Which feature must you utilize?
You have an existing compute instance with a standard boot volume size of 47 GB. Your application requires 200 GB. You successfully increase the boot volume size to 200 GB in the OCI Console. However, when you run `df -h` inside the guest OS, it still shows 47 GB. What is the cause?
When creating an OCI Function application, you must select one or more subnets. What type of subnets should you choose if your function needs to call external public APIs over the internet?
You are implementing automated disaster recovery for your OCI compute instances. You configure automated backups for boot volumes and block volumes using volume groups. What is the primary advantage of using Volume Groups for backups?
You are managing an instance pool and want to ensure that instances are distributed evenly across multiple Availability Domains (ADs) in a multi-AD region to maximize high availability. How should you configure the instance pool placement?
You are troubleshooting a custom OCI compute image that fails to boot properly after launching an instance. The instance gets stuck in a pre-boot state. Where can you view serial console logs to diagnose the low-level boot sequence and kernel panic messages?
You are deploying a microservices application on OKE and want to implement zero-downtime rolling deployments for your pods. Which Kubernetes deployment strategy and configuration parameter should you utilize?
You want to automate the installation of packages and configuration scripts on newly launched compute instances without manual intervention. What OCI feature should you use?
You have a fleet of compute instances running in a private subnet. You want to patch their operating systems regularly using OCI OS Management service without exposing them to the public internet. What must be configured in your VCN?
You are running a stateful application inside an OKE cluster that requires persistent storage backed by OCI Block Volumes. When a pod is rescheduled to a different worker node due to a node failure, how does the Persistent Volume (PV) behave?
Which TWO actions should you take to troubleshoot an OCI compute instance that has become completely unresponsive and unreachable over SSH? (Choose two.)
You are designing a disaster recovery strategy for an OCI compute instance. You need to replicate boot volume backups to a secondary region. How should you accomplish this?
Which OCI service feature enables you to run software containers without provisioning virtual machines or managing Kubernetes clusters, offering simple container execution?
You have deployed an OCI Function and invoked it, but it returns a timeout error. What is the maximum execution timeout limit supported by OCI Functions?
You are managing an OKE cluster and need to restrict network traffic so that pods in Namespace A cannot communicate with pods in Namespace B. What Kubernetes object should you configure?
You are troubleshooting a container image pull failure in your OKE cluster. The error message indicates an authentication failure when trying to pull from the Oracle Container Registry (OCIR). What Kubernetes resource must be configured in your cluster namespace to allow pulling images from a private OCIR repository?
You have an OCI compute instance configured with an autoscaling policy. The autoscaling configuration scales out your instance pool by 2 instances when CPU exceeds 75%. You notice that during a traffic surge, the pool scales out, but shortly after, it scales right back in, causing flapping. How can you prevent this behavior?
You are creating an instance configuration from an existing compute instance that has two secondary data block volumes attached in addition to its boot volume. What happens to the data block volumes when you use this instance configuration to create an instance pool?
You are managing an OKE cluster and need to perform a major Kubernetes version upgrade. You want to minimize application downtime during the upgrade process of worker nodes. What feature should you configure on your node pools during upgrade?
You are designing a PCI-DSS compliant architecture on OCI. You need to ensure that all data stored on compute instance boot volumes and block volumes is encrypted using customer-managed encryption keys rather than Oracle-managed keys. Where should you configure these keys?
You are deploying a new web application on OCI. The application experiences unpredictable traffic spikes, and you want to ensure that the compute instances automatically scale based on CPU utilization. You have created an instance pool with a minimum of 2 and maximum of 10 instances. Which OCI service or feature should you use to achieve automatic scaling?
You are managing a set of compute instances in OCI. You need to ensure that the instances can be moved to a different compartment without disrupting their operation. Which TWO statements are true regarding moving compute instances between compartments? (Choose two.)
You need to create a compute instance in OCI that requires a specific custom image. You have already imported the custom image into OCI. Which compute instance launch option allows you to select this custom image?