1Z0-1085-26 Core Oci Services Practice Test 15 — 15 Questions

Question 1

You need to deploy a web application on OCI that requires a flexible compute shape to adjust CPU and memory independently. Which OCI compute feature should you select?

Accepted Answer

Flexible Shapes. Flexible shapes allow independent scaling of CPU and memory, optimizing costs for workload requirements.

Answer

Preemptible Instances

Answer

Dedicated Host

Answer

Bare Metal Instances

Question 2

Your application requires a high-performance, POSIX-compliant shared file system that can be accessed by multiple compute instances across different availability domains. Which service should you choose?

Accepted Answer

File Storage Service. OCI File Storage (FSS) provides a distributed, NFS-based file system accessible from multiple instances.

Answer

Block Volume

Answer

Object Storage

Answer

Archive Storage

Question 3

You are configuring a VCN and need to ensure that instances in a private subnet can access the internet to download updates without exposing them to incoming traffic. Which component is required?

Accepted Answer

NAT Gateway. A NAT Gateway allows instances in a private subnet to initiate outbound connections to the internet while preventing inbound connections.

Answer

Dynamic Routing Gateway

Answer

Service Gateway

Answer

Internet Gateway

Question 4

You need to migrate a legacy application to OCI that requires a specific IP address to be retained for compliance. Which OCI networking feature allows you to attach a specific public IP to an instance?

Accepted Answer

Reserved Public IP. Reserved Public IPs are long-lived public IP addresses that can be assigned to resources and retained after the resource is deleted.

Answer

Ephemeral Public IP

Answer

Private IP

Answer

Service Gateway IP

Question 5

Which OCI service is best suited for running serverless code functions that trigger based on events or HTTP requests?

Accepted Answer

OCI Functions. OCI Functions is a serverless, event-driven compute service.

Answer

OKE

Answer

Container Instances

Answer

Compute Instances

Question 6

You are deploying a microservices architecture on OKE. You need to ensure that the control plane is managed by OCI to reduce management overhead. Which OKE deployment model is best?

Accepted Answer

OCI Managed Kubernetes (OKE). OKE is a managed Kubernetes service where the control plane is managed by Oracle.

Answer

Custom Kubernetes on VM

Answer

Compute Instance Containerization

Answer

Kubernetes on Bare Metal

Question 7

Your application team needs to store millions of small files that are rarely accessed but must be available immediately when requested. Which storage tier is most cost-effective?

Accepted Answer

Infrequent Access Storage. Infrequent Access tier in Object Storage is optimized for infrequently accessed data that requires immediate retrieval.

Answer

Archive Storage

Answer

Block Volume High Performance

Answer

Standard Storage

Question 8

You need to allow database instances in a private subnet to communicate with Object Storage over the private network. Which service is required?

Accepted Answer

Service Gateway. A Service Gateway allows communication between VCN and OCI public services over the OCI private network.

Answer

NAT Gateway

Answer

Internet Gateway

Answer

VPN Connect

Question 9

You are configuring an OCI Load Balancer and need to distribute traffic based on the URL path (e.g., /api vs /web). Which feature should you configure?

Accepted Answer

Path-based Routing. Path-based routing in the Load Balancer allows traffic direction based on URL paths.

Answer

Round Robin Policy

Answer

SSL Termination

Answer

Health Checks

Question 10

A company requires a dedicated, private connection between their on-premises data center and OCI that provides consistent bandwidth. Which service is recommended?

Accepted Answer

FastConnect. FastConnect provides private, dedicated connectivity between on-premises and OCI.

Answer

NAT Gateway

Answer

Site-to-Site VPN

Answer

Local Peering Gateway

Question 11

Which OCI storage option is recommended for storing high-performance boot volumes for virtual machines?

Accepted Answer

Block Volume. Block Volumes are the standard for high-performance boot and data volumes.

Answer

Object Storage

Answer

Archive Storage

Answer

File Storage

Question 12

You need to automatically increase the number of compute instances in your cluster when CPU utilization exceeds 80%. Which service should you use?

Accepted Answer

Autoscaling. Autoscaling allows automatic adjustment of instance counts based on performance metrics.

Answer

OCI Events

Answer

Load Balancer

Answer

Instance Pools

Question 13

What is the primary benefit of using OCI Container Instances?

Accepted Answer

Serverless container execution. Container Instances allow running containers without managing the underlying VMs or clusters.

Answer

Persistent block storage access only

Answer

Full root access to the host

Answer

Manual cluster patching

Question 14

Which OCI service allows you to back up your on-premises data to the cloud for long-term storage?

Accepted Answer

Object Storage. Object Storage with lifecycle policies is commonly used for backup storage.

Answer

Block Volume

Answer

FastConnect

Answer

Compute Instance

Question 15

You have two VCNs in the same region that need to communicate privately. Which component must be configured?

Accepted Answer

Local Peering Gateway. Local Peering Gateways (LPG) are required for VCN peering within the same region.

Answer

DRG

Answer

Internet Gateway

Answer

NAT Gateway