1Z0-1084 practice questions 21–30

1. Question 21 · 60 in bank

   You are deploying an API via Oracle Cloud Infrastructure (OCI) API Gateway and you want to implement request policies to control access. Which is NOT available in OCI API Gateway? (Choose the best answer.)

   • ALimiting the number of requests sent to backend services
   • BEnabling CORS (Cross-Origin Resource Sharing) support
   • CProviding authentication and authorization
   • DControlling access to OCI resources

   Show answer

   Answer: D

   Explanation

   Reference: https://docs.cloud.oracle.com/en-us/iaas/Content/APIGateway/Concepts/apigatewayoverview.htm

   References

   • Oracle documentation

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2. Question 22 · 60 in bank

   You are developing a distributed application and you need a call to a path to always return a specific JSON content. To fulfill the requirement you deploy an Oracle Cloud Infrastructure API Gateway with the below API deployment specification.

   

   What is the correct value for type? (Choose the best answer.)

   • ASTOCK_RESPONSE_BACKEND
   • BCONSTANT_BACKEND
   • CJSON_BACKEND
   • DHTTP_BACKEND

   Show answer

   Answer: A

   Explanation

   Reference: https://docs.cloud.oracle.com/en-us/iaas/Content/APIGateway/Tasks/apigatewaycreatingspecification.htm

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3. Question 23 · 60 in bank

   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.)

   • ATest against production APIs.
   • BTest using API mocks.
   • CThere is no need to explicitly test APIs.
   • DTest the APIs in private environments.

   Show answer

   Answer: B

   Explanation

   Reference: https://docs.oracle.com/cloud/apiary/tools/mock-server/index.html

   References

   • Oracle documentation

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4. Question 24 · 60 in bank

   Select 2

   Which two are benefits of distributed systems? (Choose two.)

   • APrivacy
   • BSecurity
   • CEase of testing
   • DScalability
   • EResiliency

   Show answer

   Answer: DE

   Explanation

   Reference: https://www.cis.upenn.edu/~lee/07cis505/Lec/lec-ch1-DistSys-v4.pdf

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5. Question 25 · 60 in bank

   You are building a cloud native, serverless travel application with multiple Oracle Functions in Java, Python and Node.js. You need to build and deploy these functions to a single application named travel-app. Which command will help you complete this task successfully? (Choose the best answer.)

   • Aoci fn function deploy """"app travel""app """"all
   • Bfn deploy """"app travel""app """"all
   • Coci fn application """"application""name travel""app deploy """"all
   • Dfn function deploy """"all """"application""name travel""app

   Show answer

   Answer: B

   Explanation

   Reference: https://blogs.oracle.com/developers/oracle-functions:-serverless-on-oracle-cloud-developers-guide-to-getting-started-quickly

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6. Question 26 · 60 in bank

   A developer using Oracle Cloud Infrastructure (OCI) API Gateway must authenticate the API requests to their web application. The authentication process must be implemented using a custom scheme which accepts string parameters from the API caller. Which method can the developer use in this scenario? (Choose the best answer.)

   • ACreate an authorizer function using request header authorization.
   • BCreate an authorizer function using token-based authorization.
   • CCreate a cross account functions authorizer.
   • DCreate an authorizer function using OCI Identity and Access Management based authentication.

   Show answer

   Answer: A

   Explanation

   I will go with B, using token-based authorization. more info, on Using Authorizer Functions to Add Authentication and Authorization to API Deployments, via the below link https://docs.cloud.oracle.com/en-us/iaas/Content/APIGateway/Tasks/apigatewayusingauthorizerfunction.htm

   Source: Adapted from community discussion — gfhbox0083

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7. Question 27 · 60 in bank

   Your Oracle Cloud Infrastructure 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? (Choose the best answer.)

   • Assh into the node using public key.
   • Bssh into the nodes using private key.
   • CIt is impossible since OKE is a managed Kubernetes service.
   • DUse the username opc and password to login.

   Show answer

   Answer: D

   Explanation

   Reference: https://www.oracle.com/webfolder/technetwork/tutorials/obe/oci/oke-full/index.html

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8. Question 28 · 60 in bank

   Select 2

   You have been asked to create a stateful application deployed in Oracle Cloud Infrastructure (OCI) Container Engine for Kubernetes (OKE) that requires all of your worker nodes to mount and write data to persistent volumes. Which two OCI storage services should you use? (Choose two.)

   • AUse OCI File Services as persistent volume.
   • BUse GlusterFS as persistent volume.
   • CUse OCI Block Volume backed persistent volume.
   • DUse open source storage solutions on top of OCI.
   • EUse OCI Object Storage as persistent volume.

   Show answer

   Answer: AC

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9. Question 29 · 60 in bank

   As a cloud-native developer, you are designing an application that depends on Oracle Cloud Infrastructure (OCI) Object Storage wherever the application is running. Therefore, provisioning of storage buckets should be part of your Kubernetes deployment process for the application. Which should you leverage to meet this requirement? (Choose the best answer.)

   • AOCI Service Broker for Kubernetes
   • BOCI Container Engine for Kubernetes
   • COpen Service Broker API
   • DOracle Functions

   Show answer

   Answer: A

   Explanation

   Reference: https://blogs.oracle.com/cloud-infrastructure/introducing-service-broker-for-kubernetes

   Source: Adapted from community discussion — gfhbox0083

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10. Question 30 · 60 in bank

    You are implementing logging in your services that will be running in Oracle Cloud Infrastructure Container Engine for Kubernetes. Which statement describes the appropriate logging approach? (Choose the best answer.)

    • AEach service logs to its own log file.
    • BAll services log to an external logging system.
    • CAll services log to standard output only.
    • DAll services log to a shared log file.

    Show answer

    Answer: C

    Explanation

    Reference: https://dzone.com/articles/5-best-security-practices-for-kubernetes-and-oracle-kubernetes-engine

    Source: Adapted from community discussion — melb

    References

    • Kubernetes documentation

    Next question

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1Z0-1084 practice, question 21. 60 questions available.