1Z0-1072-26 Compute — 10 Questions

Question 1

Which TWO of the following are valid trigger sources for OCI Functions? (Choose two.)

Accepted Answer

OCI Events service reacting to resource state changes. OCI Functions can be invoked via OCI Events (e.g. storage object creation), API Gateway HTTP requests, or directly via the OCI SDK/CLI.

Answer

Direct attachment to VCN Internet Gateways without any intermediate services

Answer

Scheduled cron jobs running inside block volume snapshots

Question 2

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?

Accepted Answer

VM.Standard.E4.Flex configured with 6 OCPUs and 32 GB of RAM. Flexible shapes allow you to independently configure OCPUs and memory to match exact workload requirements.

Answer

VM.Standard1.16

Answer

BM.Standard.E3.128

Answer

VM.Standard2.8

Question 3

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?

Accepted Answer

In the Custom Image launch options settings. Launch options can be customized when creating a custom image or by updating the launch options of an existing custom image in OCI to specify firmware, network virtualization, and boot options.

Answer

Inside the VCN Security List configurations

Answer

Via the compute instance's operating system kernel parameters

Answer

In the Instance Configuration template parameters

Question 4

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?

Accepted Answer

The instance is replaced automatically by the instance pool to maintain the operational state, managing lifecycle events independently of active autoscaling metrics.. Instance pools automatically replace unhealthy or retired instances to maintain the desired capacity. If an instance is retired, the pool provisions a new instance to replace it, even if autoscaling has reached its maximum size, because minimum/desired capacity rules take precedence over instance retirement recovery.

Answer

The instance is terminated, and a new instance is provisioned to replace it, temporarily exceeding the maximum limit if necessary until scaling rules scale it back down.

Answer

The instance is terminated and not replaced because the pool is already at its maximum limit.

Answer

The autoscaling configuration must be manually edited to increase the max limit before the instance can be replaced.

Question 5

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?

Accepted Answer

Dedicated Virtual Machine Hosts. Dedicated Virtual Machine Hosts provide physical servers dedicated solely to your organization, allowing you to run virtual machines on dedicated hardware.

Answer

Bare Metal Instances

Answer

Instance Pools

Answer

Protected Compute Shapes

Question 6

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?

Accepted Answer

OCI Events Service. OCI Events service listens to resource state changes and can trigger an OCI Function when an object is created in Object Storage.

Answer

Direct polling of Object Storage buckets by the function container

Answer

Scheduled Cron Jobs in Compute

Answer

API Gateway direct integration

Question 7

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?

Accepted Answer

Node Pool Fault Domains. Fault domains ensure that instances are distributed across physical hardware that has independent power and top-of-rack switches. OKE supports specifying fault domains or availability domains for node pools.

Answer

VCN Route Tables

Answer

Kubernetes Horizontal Pod Autoscaler

Answer

Pod Security Policies

Question 8

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?

Accepted Answer

Custom Image. Custom images allow you to capture the boot volume of an existing compute instance to deploy new instances with identical configurations.

Answer

Block Volume Backup

Answer

Boot Volume Clone

Answer

Instance Configuration

Question 9

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?

Accepted Answer

BM.DenseIO2.52. Bare Metal Dense I/O shapes include directly attached NVMe SSDs, providing extreme IOPS and low latency suitable for databases and transactional logs.

Answer

BM.Standard3.64

Answer

VM.Standard.E4.Flex

Answer

BM.GPU3.8

Question 10

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?

Accepted Answer

Worker nodes continue to run workloads, but you must manually or via node pool upgrades bring them to the matching version.. When you upgrade the control plane in OKE, the worker nodes continue running workloads normally, but they should eventually be upgraded to remain within supported version skew limits.

Answer

The cluster becomes completely inaccessible, and all pods are evicted permanently.

Answer

Control plane upgrades are blocked until all worker nodes are upgraded first.

Answer

All worker nodes are automatically terminated and recreated with the new version.