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1z0-1109-24 Quiz Studying Materials: Oracle Cloud Infrastructure 2024 DevOps Professional - 1z0-1109-24 Test Torrent & 1z0-1109-24 Test Bootcamp

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Oracle 1z0-1109-24 Exam Syllabus Topics:

Topic
Details

Topic 1

Configuring and Managing Continuous Integration and Continuous Delivery (CI
CD): This domain measures the skills of DevOps Engineers by focusing on the configuration and management of CI
CD pipelines. Candidates will learn to automate the software development lifecycle, enabling faster release cycles through continuous integration and delivery practices.

Topic 2

Implementing Monitoring and Observability (O&M): This section targets Oracle Cloud Infrastructure DevOps engineers and developers and focuses on implementing monitoring and observability practices within a DevOps framework. Candidates will learn about tools and techniques for tracking application performance, analyzing logs, and managing events to ensure system reliability.

Topic 3

Understand DevOps Principles and Effectively Work with Containerization Services: This domain measures the skills of DevOps Professionals and focuses on the foundational principles of DevOps and the role of containerization in modern software development. Candidates will learn how containerization enables packaging applications and their dependencies into isolated environments, promoting consistency across different deployment stages.

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Oracle Cloud Infrastructure 2024 DevOps Professional Sample Questions (Q22-Q27):

NEW QUESTION # 22
As a cloud engineer, you are responsible for managing a Kubernetes cluster on the Oracle Cloud Infrastructure (OCI) platform for your organization. You are looking for ways to ensure reliable operations of Kubernetes at scale while minimizing the operational overhead of managing the worker node infrastructure.
Which cluster option is the best fit for your requirement?

A. Using OCI OKE managed nodes with cluster autoscalers to eliminate worker node infrastructure management
B. Using Kubernetes cluster add-ons to automate worker node management
C. Using OCI OKE virtual nodes to eliminate worker node infrastructure management
D. Creating and managing worker nodes using OCI compute instances

Answer: C

Explanation:
Step 1: Understanding the Requirement
The goal is to ensure reliable operations of Kubernetes at scale while minimizing the operational overhead of managing worker node infrastructure. In this context, a solution is needed that abstracts away the complexity of managing, scaling, and maintaining worker nodes.
Step 2: Explanation of the Options
A . Using OCI OKE managed nodes with cluster autoscalers
While this option provides managed node pools and uses cluster autoscalers to adjust resources based on demand, it still requires some level of management for the underlying worker nodes (e.g., patching, upgrading, monitoring).
Operational overhead: Moderate.
B . Using OCI OKE virtual nodes
Virtual nodes in OCI OKE are a serverless option for running Kubernetes pods. They remove the need to manage underlying worker nodes entirely.
OCI provisions resources dynamically, allowing scaling based purely on pod demand.
There's no need for node management, patching, or infrastructure planning, which perfectly aligns with the requirement to minimize operational overhead.
Operational overhead: Minimal.
Best Fit for This Scenario: Since the requirement emphasizes minimizing operational overhead, this is the ideal solution.
C . Using Kubernetes cluster add-ons to automate worker node management Kubernetes add-ons like Cluster Autoscaler or Node Problem Detector help in automating some aspects of worker node management. However, this still requires managing worker node infrastructure at the core level.
Operational overhead: Moderate to high.
D . Creating and managing worker nodes using OCI compute instances
This involves manually provisioning and managing compute instances for worker nodes, including scaling, patching, and troubleshooting.
Operational overhead: High.
Not Suitable for the Requirement: This option contradicts the goal of minimizing operational overhead.
Step 3: Why Virtual Nodes Are the Best Fit
Virtual Nodes in OCI OKE:
Virtual nodes provide serverless compute for Kubernetes pods, allowing users to run workloads without provisioning or managing worker node infrastructure.
Scaling: Pods are automatically scheduled, and the required infrastructure is dynamically provisioned behind the scenes.
Cost Efficiency: You only pay for the resources consumed by the running workloads.
Use Case Alignment: Eliminating the burden of worker node infrastructure management while ensuring Kubernetes reliability at scale.
Step 4: References and OCI Resources
OCI Documentation:
OCI Kubernetes Virtual Nodes
OCI Container Engine for Kubernetes Overview
Best Practices for Kubernetes on OCI:
Best Practices for OCI Kubernetes Clusters

NEW QUESTION # 23
What are the two items required to create a rule for the Oracle Cloud Infrastructure Events Service? (Choose two.)

A. Service Connector
B. Auth Token
C. Actions
D. Rule Conditions
E. Management Agent Cloud Service

Answer: C,D

Explanation:
Oracle Cloud Infrastructure (OCI) Events Service allows you to create rules to automatically respond to changes in your OCI environment. To create a rule, you need the following items:
Rule Conditions: Conditions define the events that will trigger the rule. This specifies what event (e.g., instance creation, object storage bucket modification) will trigger an action.
Actions: Actions define what should happen when a condition is met. For example, the action might be to trigger an OCI Function or send a notification.

NEW QUESTION # 24
In Kubernetes clusters created by Container Engine for Kubernetes, how is data in etcd encrypted at rest by default?

A. Using encryption keys managed by the user
B. Encryption using TLS certificates
C. Using encryption keys managed by Oracle using a master encryption key
D. No encryption applied

Answer: C

Explanation:
In Kubernetes clusters created by Oracle Container Engine for Kubernetes (OKE), data in etcd (the key-value store that holds cluster state and configuration data) is encrypted at rest by default using encryption keys managed by Oracle. Oracle manages the encryption using a master encryption key to protect sensitive data.

NEW QUESTION # 25
What is the correct approach to upgrade an Oracle Container Engine for Kubernetes (OKE) Cluster to a newer version of Kubernetes?

A. Initiate the control plane and node pool upgrades simultaneously.
B. Upgrade the control plane, then upgrade the node pools.
C. Upgrade the node pools one at a time, then once all node pools are upgraded, upgrade the control plane.
D. Initiate the automated upgrade process using the OCI Console, CLI, or API.

Answer: B

Explanation:
The correct approach to upgrade an Oracle Container Engine for Kubernetes (OKE) cluster involves first upgrading the Kubernetes control plane, followed by upgrading the node pools. The control plane must be upgraded first to ensure compatibility with newer versions of Kubernetes, as node pools rely on the control plane for orchestration and management.
After upgrading the control plane, each node pool is upgraded to match the new Kubernetes version. This phased approach ensures the cluster remains in a stable state during the upgrade.

NEW QUESTION # 26
A software development team is working on a prototype using Node.js and MongoDB as their programming language and database, respectively. They need to develop and test isolated web applications or RESTful APIs. They are looking for a simple, quick, and secure way to run containers without managing any servers.
Which OCI service is best suited for this use case?

A. Container Instances
B. OCI DevOps Project
C. Compute Instances
D. OCI Functions

Answer: A

Explanation:
OCI Container Instances provide a serverless way to run containers in Oracle Cloud Infrastructure (OCI). They allow you to run containers without having to manage any underlying servers or clusters. This is ideal for development teams that need a simple, quick, and secure way to develop and test isolated web applications or RESTful APIs.

NEW QUESTION # 27
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