Download Oracle Cloud Infrastructure Developer 2020 Associate.1z0-1084-20.VCEplus.2020-11-03.60q.vcex

Vendor: Oracle
Exam Code: 1z0-1084-20
Exam Name: Oracle Cloud Infrastructure Developer 2020 Associate
Date: Nov 03, 2020
File Size: 388 KB
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Demo Questions

Question 1
Which statement accurately describes Oracle Cloud Infrastructure (OCI) Load Balancer integration with OCI Container Engine for Kubernetes (OKE)? (Choose the best answer.)
  1. OKE service provisions an OCI Load Balancer instance for each Kubernetes service with LoadBalancer type in the YAML configuration.
  2. OCI Load Balancer instance provisioning is triggered by OCI Events service for each Kubernetes service with LoadBalancer type in the YAML configuration.
  3. OCI Load Balancer instance must be manually provisioned for each Kubernetes service that requires traffic balancing.
  4. OKE service provisions a single OCI Load Balancer instance shared with all the Kubernetes services with LoadBalancer type in the YAML configuration.
Correct answer: B
Explanation:
Reference: https://oracle.github.io/weblogic-kubernetes-operator/faq/oci-lb/
Reference: https://oracle.github.io/weblogic-kubernetes-operator/faq/oci-lb/
Question 2
Per CAP theorem, in which scenario do you NOT need to make any trade-off between the guarantees? (Choose the best answer.)
  1. when the are no network partitions
  2. when the system is running in the cloud
  3. when the system is running on-premise
  4. when you are using load balancers
Correct answer: A
Question 3
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? (Choose the best answer.)
  1. Test against production APIs.
  2. Test using API mocks.
  3. There is no need to explicitly test APIs.
  4. Test the APIs in private environments.
Correct answer: B
Explanation:
Reference: https://docs.oracle.com/cloud/apiary/tools/mock-server/index.html
Reference: https://docs.oracle.com/cloud/apiary/tools/mock-server/index.html
Question 4
In a Linux environment, what is the default location of the configuration file that Oracle Cloud Infrastructure CLI uses for profile information? (Choose the best answer.)
  1. /etc/.oci/config
  2. /usr/local/bin/config
  3. $HOME/.oci/config
  4. /usr/bin/oci/config 
Correct answer: C
Explanation:
Reference: https://docs.cloud.oracle.com/en-us/iaas/Content/Functions/Tasks/functionsconfigureocicli.htm
Reference: https://docs.cloud.oracle.com/en-us/iaas/Content/Functions/Tasks/functionsconfigureocicli.htm
Question 5
Which statement is incorrect with regards to the Oracle Cloud Infrastructure (OCI) Notifications service? (Choose the best answer.)
  1. Notification topics may be assigned as the action performed by an OCI Events configuration.
  2. OCI Alarms can be configured to publish to a notification topic when triggered.
  3. An OCI function may subscribe to a notification topic.
  4. A subscription can forward notifications to an HTTPS endpoint.
  5. A subscription can integrate with PagerDuty events.
  6. It may be used to receive an email each time an OCI Autonomous Database backup is completed.
Correct answer: E
Explanation:
Reference: https://www.pagerduty.com/docs/guides/oracle-cloud-infrastructure/
Reference: https://www.pagerduty.com/docs/guides/oracle-cloud-infrastructure/
Question 6
With the volume of communication that can happen between different components in cloud-native applications, it is vital to not only test functionality, but also service resiliency. Which statement is true with regards to service resiliency? (Choose the best answer.)
  1. Resiliency is about recovering from failures without downtime or data loss.
  2. A goal of resiliency is not to bring a service to a functioning state after a failure.
  3. Resiliency testing can be only done in a test environment.
  4. Resiliency is about avoiding failures.
Correct answer: D
Question 7
Which two are required to enable Oracle Cloud Infrastructure (OCI) Container Engine for Kubernetes (OKE) cluster access from the kubectl CLI? (Choose two.)
  1. An SSH key pair with the public key added to cluster worker nodes.
  2. Install and configure the OCI CLI
  3. OCI Identity and Access Management Auth Token
  4. Tiller enabled on the OKE cluster
  5. A configured OCI API signing key pair
Correct answer: BE
Explanation:
Reference: https://www.oracle.com/webfolder/technetwork/tutorials/obe/oci/oke-full/index.html 
Reference: https://www.oracle.com/webfolder/technetwork/tutorials/obe/oci/oke-full/index.html 
Question 8
You have a containerized app that requires an Autonomous Transaction Processing (ATP) Database. Which option is not valid for connecting to ATP from a container in Kubernetes? (Choose the best answer.)
  1. Enable Oracle REST Data Services for the required schemas and connect via HTTPS.
  2. Create a Kubernetes secret with contents from the instance Wallet files. Use this secret to create a volume mounted to the appropriate path in the application deployment manifest.
  3. Use Kubernetes secrets to configure environment variables on the container with ATP instance OCID, and OCI API credentials. Then use the CreateConnection API endpoint from the service runtime.
  4. Install the Oracle Cloud Infrastructure Service Broker on the Kubernetes cluster and deploy ServiceInstance and ServiceBinding resources for ATP. Then use the specified binding name as a volume in the application deployment manifest.
Correct answer: D
Explanation:
Reference: https://blogs.oracle.com/developers/creating-an-atp-instance-with-the-oci-service-broker
Reference: https://blogs.oracle.com/developers/creating-an-atp-instance-with-the-oci-service-broker
Question 9
In order to effectively test your cloud-native applications, you might utilize separate environments (development, testing, staging, production, etc.)
Which Oracle Cloud Infrastructure (OCI) service can you use to create and manage your infrastructure? (Choose the best answer.)
  1. OCI Compute
  2. OCI Container Engine for Kubernetes
  3. OCI Resource Manager
  4. OCI API Gateway
Correct answer: C
Question 10
You are tasked with developing an application that requires the use of Oracle Cloud Infrastructure (OCI) APIs to POST messages to a stream in the OCI Streaming service.
Which statement is incorrect? (Choose the best answer.)
  1. The request must include an authorization signing string including (but not limited to) x-content-sha256, content-type, and content-length headers.
  2. The Content-Type header must be set to application/json
  3. An HTTP 401 will be returned if the client's clock is skewed more than 5 minutes from the server's.
  4. The request does not require an Authorization header.
Correct answer: D
Explanation:
Reference: https://docs.cloud.oracle.com/en-us/iaas/Content/API/Concepts/signingrequests.htm
Reference: https://docs.cloud.oracle.com/en-us/iaas/Content/API/Concepts/signingrequests.htm
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