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Free and Premium Oracle 1z0-1084-24 Dumps Questions Answers

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Total 100 questions

Oracle Cloud Infrastructure 2024 Developer Professional Questions and Answers

Question 1

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?

Options:

A.

Once rotated, older key versions can be used for encryption until they are deleted.

B.

Both software and HSM-protected MEKS can be rotated.

C.

When you rotate an MEK, a new key version is automatically generated.

D.

Each key version is tracked internally with separate unique OCIDS.

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Question 2

You have been asked to update an OKE cluster to a network configuration that has the least attack surface while the deployed applications are still directly available for access from the Internet. Which is a valid OKE cluster network configuration that meets this requirement? (Choose the best answer.)

Options:

A.

Private subnets for nodes, the Kubemetes API endpoint, and load balancers

B.

Private subnets for nodes; public subnets for the Kubemetes API endpoint and load balancers

C.

Private subnets for nodes and the Kubemetes API endpoint; public subnets for load balancers

D.

Private subnet for the Kubemetes API endpoint; public subnets for nodes and load balancers

Question 3

(CHK_4>2) You have a scenario where a DevOps team wants to store secrets in Oracle Cloud Infrastructure (OCI) Vault so that it can inject the secrets into an app's environment variables (for example, MYSQL_DB_PASSWD) at deployment time. Which is NOT valid about managing secrets in the OCI Vault service?

Options:

A.

New secret versions automatically expire in 90 days unless you configure an expiry rule.

B.

You can manually create new secrets as well as new secret versions using the OCI Console:

C.

A unique OCID is automatically generated for each secret and remains unchanged even when creating a new secret version.

D.

A secret reuse rule prevents the use of secret contents across different versions of a secret.

Question 4

You have two microservices, A and B running in production. Service A relies on APIs from service B. You want to test changes to service A without deploying all of its dependencies, which includes service B. Which approach should you take to test service A?

Options:

A.

Test using a previous test version of service B.

B.

Test using an API mock of service B.

C.

Test using the current production version of service B.

D.

This is not possible because service B is a dependency.

Question 5

Oracle Functions monitors all deployed functions and collects and reports various metrics. Which is NOT available when viewing the Application metrics in the Oracle Cloud Infrastructure (OCI) Console?

Options:

A.

The length of time a function runs for.

B.

The number of retries made by the function before failing due to an error.

C.

The number of requests to invoke a function that failed due to throttling.

D.

The number of requests to invoke a function that failed with an error response.

Question 6

Which open source engine is used by Oracle Cloud Infrastructure (OCI) to power Oracle Functions?

Options:

A.

Knative

B.

Kubeless

C.

Apache OpenWhisk

D.

Fn Project

Question 7

Which is NOT a valid use case for leveraging the Oracle Cloud Infrastructure (OCI) Events service?

Options:

A.

Capturing the OCI Monitoring service alarms and invoking autoscaling of compute instances.

B.

Publishing a notification when long-lived tasks complete, such as an OCI Autonomous Database backup completion.

C.

Triggering a notification action when a function completes its execution.

D.

Triggering a function deployed in Oracle Functions when new files are uploaded to an OCI Object Storage bucket.

E.

Publishing all the OCI resource events in a specific compartment to the OCI Streaming service for later analysis.

Question 8

In the DevOps lifecycle, what is the difference between continuous delivery and continuous deployment? (Choose two.)

Options:

A.

Continuous delivery involves automation of developer tasks, while continuous deployment involves manual operational tasks.

B.

Continuous delivery utilizes automatic deployment to a development environment, while continuous deployment involves automatic deployment to a production environment.

C.

Continuous delivery requires more automatic linting, while continuous deployment testing must be run manually.

D.

Continuous delivery is a process that initiates deployment manually, while continuous deployment is based on automating the deployment process.

Question 9

What is the open source engine for Oracle Functions?

Options:

A.

Fn Project

B.

Apache OpenWhisk

C.

OpenFaas

D.

Knative

Question 10

You developed a microservices-based application that runs in an Oracle Cloud Infrastructure (OCI) Container Engine for Kubernetes (OKE) cluster. It has multiple endpoints that need to be exposed to the public internet. What is the most cost-effective way to expose multiple application endpoints without adding unnecessary complexity to the application?

Options:

A.

Use a NodePort service type in Kubernetes for each of your service endpoints using the node's public IP address to access the applications.

B.

Create a separate load balancer instance for each service using the lowest 100 Mbps option.

C.

Use a ClusterIP service type in Kubernetes for each of your service endpoints using a load balancer to expose the endpoints.

D.

Deploy an Ingress Controller and use it to expose each endpoint with its own routing endpoint.

Question 11

Kubernetes includes various elements such as compute, network, and storage. Compute is essentially CPU (units) and memory (bytes). Within an OKE cluster, what is considered to be the smallest unit of deployment with respect to compute?

Options:

A.

Container

B.

Service

C.

Pod

D.

Namespace

E.

Deployment resource

Question 12

(CHK_1>3) You have an e-commerce application that loads customers' transactional data into the Oracle Cloud Infrastructure (OCI) Streaming service. The data must now be extracted and transformed before sending it to a third-party REST endpoint. You have been directed to leverage the OCI Service Connector Hub to automate this process. Which configuration option would address this requirement?

Options:

A.

Configure a new service connector as follows: • Source: Streaming • Task: Functions • Target: Functions

B.

Configure a new service connector as follows: • Source: Streaming • Task: API Gateway • Target: Notifications

C.

Configure a new service connector as follows: • Source: Streaming • Task: None • Target: Notifications

D.

Configure a new service connector as follows: • Source: Streaming • Task: API Gateway • Target: Functions

E.

Configure a new service connector as follows: • Source: Streaming • Task: Functions • Target: API Gateway

Question 13

Which is NOT a valid option to execute a function deployed in Oracle Functions?

Options:

A.

Invoke from the Docker CLI.

B.

Send signed HTTP requests to the function's invoke endpoint.

C.

Invoke from the Fn Project CLI.

D.

Trigger by an event in the Oracle Cloud Infrastructure (OCI) Events service.

E.

Invoke from the OCI CLI.

Question 14

A Docker image consists of one or more layers, each of which represents a Dockerfile instruction. The layers are stacked and each one is a delta of the changes from the previous layer. What permission is associated with these layers?

Options:

A.

read mostly

B.

write only

C.

movable

D.

read only

E.

write once

Question 15

Which testing measure should be considered when using test cases that simultaneously validate a deployment and perform a selected set of functional tasks?

Options:

A.

Resource Utilization

B.

Functionality

C.

Scalability

D.

Robust Deployment

E.

Resiliency

Question 16

Which TWO statements are true for serverless computing and serverless architectures? (Choose two.)

Options:

A.

Serverless function execution is fully managed by third party.

B.

Applications running on a FaaS (Functions as a Service) platform.

C.

Long running tasks are perfectly suited for serverless.

D.

Application DevOps team is responsible for scaling.

E.

Serverless function state should never be stored externally.

Question 17

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

Options:

A.

kubeDNS

B.

DynDNS

C.

CoreDNS

D.

ExternalDNS

Question 18

How are cloud native application versions deployed to an OKE cluster when using a blue/green deployment strategy?

Options:

A.

Current applications are slowly replaced with new application versions.

B.

New application versions are deployed in minor increments to a select group of people.

C.

Both old and new application versions are deployed to production at the same time.

Question 19

Your Oracle Cloud Infrastructure (OCI) Container Engine for Kubernetes (OKE) administrator has created an OKE cluster with one node pool in a public subnet. You have been asked to provide a log file from one of the nodes for troubleshooting purpose. Which step should you take to obtain the log file?

Options:

A.

Use the username opc and password to login.

B.

It is impossible because OKE is a managed Kubernetes service.

C.

SSH into the nodes using the private key.

D.

SSH into the node using the public key.

Question 20

(CHK_4>2) Which TWO statements are NOT valid regarding the Oracle Cloud Infrastructure (OCI) Streaming service? (Choose two.)

Options:

A.

OCI Streaming stores all data for 24 hours by default, but that can be extended up to 7 days.B

B.

Although OCI Streaming automatically encrypts all data while in transit, it is the developer's responsibility to encrypt data at rest, if needed.

C.

The throughput of a stream is defined by a partition. A partition provides 1 MB/sec data input and 2 MB/sec data output.

D.

A stream can be configured with either a public or a private endpoint with support for customer managed encryption keys.

E.

OCI Streaming can support up to 2,000 requests per second to each partition.

Question 21

You have two microservices, A and B, running in production. Service A relies on APIs from service B. You want to test changes to service A without deploying all of its dependencies, which include service B. Which approach should you take to test service A?

Options:

A.

Test using API mocks.

B.

Test the APIs in private environments.

C.

Test against production APIs.

D.

There is no need to explicitly test APIs.

Question 22

You have created a repository in Oracle Cloud Infrastructure Registry (OCIR) in the us-ashburn-1 (iad) region in your tenancy with the heyoci namespace. Which three are valid tags for an image named myapp? (Choose three.)

Options:

A.

iad.ccir.io/heyoci/myapp:latest

B.

iad.ocir.io/heyoci/myapp:0.0.2-beta

C.

iad.ocir.io/heyoci/myproject/myapp:0.0.1

D.

us-ashburn-1.ocir.io/myproject/heyoci/myapp:latest

E.

us-ashburn-1.ocir.io/heyoci/myapp:0.0.2-beta

F.

us-ashburn-1.ocir.io/heyoci/myproject/myapp:0.0.2-beta

Question 23

As a developer, you have been tasked with implementing a microservices-based application. Which THREE technologies are best suited to accomplish the task? (Choose three.)

Options:

A.

Terraform

B.

Big Data

C.

Anomaly Detection

D.

Service Mesh

E.

Docker

F.

Kubemetes

Question 24

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

Options:

A.

Cluster

B.

Node

C.

Deployment

D.

Container

E.

Pod

Question 25

You are instructed to automate manual tasks and help software teams manage complex environments at scale using the Oracle Cloud Infrastructure (OCI) services. Which THREE OCI services can be leveraged to securely store and version your application's source code, and automate the building, testing, and deployment of applications to the OCI platform? (Choose three.)

Options:

A.

DevOps

B.

Container Engine for Kubernetes

C.

Oracle APEX Application Development

D.

Resource Manager

E.

Oracle Cloud Infrastructure Registry

F.

Oracle Cloud Logging Analytics

Question 26

Which statement about microservices is FALSE?

Options:

A.

They are typically designed around business capabilities.

B.

It is fairly common for them to communicate with HTTP.

C.

Multiple microservices can run in one process.

D.

They are independently deployable.

Question 27

Which of the following is NOT a criterion that is usually met by a microservice?

Options:

A.

Organized around business capabilities.

B.

Tightly coupled

C.

Highly maintainable

D.

Independently deployable

Question 28

You are developing a polyglot serverless application using Oracle Functions. Which language cannot be used to write your function code?

Options:

A.

PL/SQL

B.

Python

C.

Node.js

D.

Go

E.

Java

Question 29

Which "Action Type" option is NOT available in an Oracle Cloud Infrastructure (OCI) Events rule definition?

Options:

A.

Streaming

B.

Email

C.

Notifications

D.

Functions

Question 30

A service you are deploying to Oracle Cloud Infrastructure (OCI) Container Engine for Kubernetes (OKE) uses a docker image from a private repository in OCI Registry (OCIR). Which configuration is necessary to provide access to this repository from OKE?

Options:

A.

Create a docker-registry secret for OCIR with API key credentials on the cluster, and specify the imagePullSecret property in the application deployment manifest.

B.

Create a docker-registry secret for OCIR with identity Auth Token on the cluster, and specify the imagePullSecret property in the application deployment manifest.

C.

Create a dynamic group for nodes in the cluster, and a policy that allows the dynamic group to read repositories in the same compartment.

D.

Add a generic secret on the cluster containing your identity credentials. Then specify a registryCredentials property in the deployment manifest.

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Total 100 questions