1z0-1084-26関連試験 - Oracle Cloud Infrastructure Developer Professional永遠にパスします

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Oracle 1z0-1084-26 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Cloud Native Fundamentals	11%	- Cloud Native Principles 1. Explain the fundamentals of cloud native and discuss the key pillars of cloud native development - Microservices Architecture 1. Explain the microservices architecture and discuss the design methodology of microservices
Topic 2: Monitoring & Troubleshooting Cloud Native Applications	10%	- OCI Logging 1. Use OCI Logging Service to enable, manage, and search logs - OCI Monitoring 1. Utilize OCI Monitoring Service to view metrics - Monitoring, Logging, and Tracing 1. Perform tasks around monitoring, logging, and tracing
Topic 3: Cloud Native Applications and Containerization	33%	- Container Orchestration 1. Discuss the role of container orchestration - Docker and Containerization 1. Explain Docker and the concepts around its architecture and components - Oracle Kubernetes Engine 1. Develop and deploy containerized applications on Oracle Kubernetes Engine - OCI Registry 1. Use OCI Registry to pull and push container images
Topic 4: Leveraging Serverless Technologies for Cloud Native Development	33%	- OCI Events 1. Build event-driven serverless applications using OCI Events Service - OCI Streaming 1. Create integration between systems using OCI Streaming Service - OCI Queue 1. Facilitate asynchronous messaging for microservices with OCI Queue - Oracle Functions 1. Develop serverless applications with Oracle Functions - API Gateway 1. Create API gateways to process traffic from API clients and route it to back-end services
Topic 5: Testing and Securing Cloud Native Applications	13%	- Cloud Native Security 1. Apply security measures to overcome challenges with cloud native development - OCI Vault 1. Use OCI Vault to securely store and manage encryption keys and sensitive configuration information - Cloud Native Testing 1. Analyze and evaluate cloud native testing methodologies and develop effective strategies for testing cloud native applications

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1z0-1084-26学習関連題 & 1z0-1084-26資格参考書

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Oracle Cloud Infrastructure Developer Professional 認定 1z0-1084-26 試験問題 (Q96-Q101):

質問 # 96
Your team has chosen to use master encryption key (MEK) within an Oracle Cloud Infrastructure (OCI) Vault for encrypting Kubernetes secrets associated with your microservice deployments in OCI Container Engine for Kubernetes (OKE) clusters so that you can easily manage key rotation. Which of the following is NOT valid about rotating keys in the OCI Vault service?

A. Both software and HSM-protected MEKS can be rotated.
B. When you rotate an MEK, a new key version is automatically generated.
C. Each key version is tracked internally with separate unique OCIDS.
D. Once rotated, older key versions can be used for encryption until they are deleted.

正解：D

解説：
The correct answer is: " Once rotated, older key versions can be used for encryption until they are deleted. " The statement that is NOT valid about rotating keys in the OCI Vault service is: " Once rotated, older key versions can be used for encryption until they are deleted. " In the OCI Vault service, when you rotate a master encryption key (MEK), a new key version is automatically generated. However, once a key is rotated and a new version is created, the older key versions are no longer usable for encryption. The purpose of key rotation is to ensure that the encryption keys are regularly updated and that older keys are no longer used to protect sensitive data. This enhances security by minimizing the impact of potential key compromises. The other statements mentioned are valid: Both software and hardware security module (HSM)-protected MEKs can be rotated. This provides flexibility in choosing the type of MEK and ensures that key rotation can be performed regardless of the encryption method used. Each key version is tracked internally with separate unique OCIDs (Oracle Cloud Identifiers). This allows for easy management and tracking of different key versions within the OCI Vault service. In summary, the statement that is NOT valid is the one suggesting that older key versions can still be used for encryption until they are deleted. Key rotation is designed to ensure the use of the latest key version and to retire older key versions to enhance security.

質問 # 97
Which TWO are required to access the Oracle Cloud Infrastructure (OCI) Container Engine for Kubernetes (OKE) cluster from the kubectl CLI? (Choose two.)

A. Install and configure the OCI CLI.
B. A configured OCI API signing key pair.
C. An SSH key pair with the public key added to the cluster worker nodes.
D. Tiller enabled on the OKE cluster.
E. OCI Identity and Access Management (IAM) Auth Token.

正解：A、B

解説：
The correct options are: A configured OCI API signing key pair: The API signing key pair is used for authentication and authorization to access OCI resources, including the OKE cluster. The private key should be configured on your local machine to authenticate API requests. An SSH key pair with the public key added to the cluster worker nodes: This is required for secure SSH access to the worker nodes in the OKE cluster.
You need to generate an SSH key pair and add the public key to the cluster ' s worker node pool during cluster creation or update. Therefore, the correct options are having a configured OCI API signing key pair and an SSH key pair with the public key added to the cluster worker nodes.

質問 # 98
What can you use to dynamically make Kubernetes resources discoverable to public DNS servers? (Choose the best answer.)

A. kubeDNS
B. ExternalDNS
C. CoreDNS
D. DynDNS

正解：B

解説：
To dynamically make Kubernetes resources discoverable to public DNS servers, you can use ExternalDNS.
ExternalDNS is a Kubernetes add-on that automates the management of DNS records for your Kubernetes services and ingresses. It can be configured to monitor the changes in your Kubernetes resources and automatically update DNS records in a supported DNS provider. By integrating ExternalDNS with your Kubernetes cluster, you can ensure that the DNS records for your services and ingresses are automatically created, updated, or deleted based on changes in your Kubernetes resources. This allows your Kubernetes resources to be discoverable by external systems through public DNS servers.

質問 # 99
Which term describes a group formed by a master machine and a worker machine in a Kubernetes architecture?

A. Node
B. Pod
C. Deployment
D. Container
E. Cluster

正解：E

解説：
The term that describes a group formed by a master machine and a worker machine in a Kubernetes architecture is " Cluster " . A cluster in Kubernetes consists of one or more master machines and multiple worker machines (also known as nodes). The master machine manages the overall control plane and orchestrates the deployment and management of containers on the worker nodes. The worker nodes are responsible for running the containers and executing the workloads. The cluster is the fundamental unit of organization and management in Kubernetes, providing the infrastructure and resources to run and manage containerized applications. It ensures high availability, scalability, and fault tolerance for the applications deployed within it.

質問 # 100
Which statement is NOT valid regarding the comparison between cloud-native and cloud-based applications?

A. Cloud-native applications are built specifically for the cloud to minimize dependencies, whereas cloud- based applications are legacy systems modified to run in a cloud environment.
B. Cloud-native applications utilize a microservices architecture to reduce the risk of downtime, whereas cloud-based applications are often more vulnerable to central failure points.
C. Cloud-native applications leverage pay-as-you-go pricing to optimize resource costs, whereas cloud- based applications can incur unnecessary expenses due to over-provisioning.
D. Cloud-native applications require manual host provisioning to scale their compute resources, whereas cloud-based applications scale automatically and dynamically by default.

正解：D

解説：
Option C reverses a fundamental cloud-native characteristic. Oracle describes cloud-native applications as being designed for automated scale-up and scale-down in response to changing workload demand.
Technologies including containers, Kubernetes, serverless architectures, microservices, and automated DevOps processes are specifically intended to reduce manual infrastructure management. Oracle also identifies scalability, resilience, reduced operational overhead, and cost optimization through cloud consumption models as major cloud-native advantages. Applications migrated to cloud infrastructure without substantial architectural modernization can retain monolithic dependencies, fixed capacity assumptions, and manual provisioning practices. Therefore, claiming that cloud-native applications require manual host provisioning while cloud-based applications automatically scale by default is technically inverted. C is consequently the NOT valid statement among the available choices.

質問 # 101
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