Oracle 1Z0-1084-21 問題集

質問 1：
As a cloud-native developer, you have written a web service for your company. You have used Oracle Cloud Infrastructure (OCI) API Gateway service to expose the HTTP backend. However, your security team has suggested that your web service should handle Distributed Denial-of-Service (DDoS) attack. You are time-constrained and you need to make sure that this is implemented as soon as possible.
What should you do in this scenario?
A. Use OCI virtual cloud network (VCN) segregation to control DDoS.
B. Re-write your web service and implement rate limiting.
C. Use OCI API Gateway service and configure rate limiting.
D. Use a third party service integration to implement a DDoS attack mitigation,
正解：C
解説: (Topexam メンバーにのみ表示されます)

質問 2：
Which one of the statements describes a service aggregator pattern?
A. It involves implementing a separate service that makes multiple calls to other backend services
B. It uses a queue on both sides of the service communication
C. It involves sending events through a message broker
D. It isimplemented in each service separately and uses a streaming service
正解：A
解説: (Topexam メンバーにのみ表示されます)

質問 3：
You are developing a serverless application with Oracle Functions. Your function needs to store state in a database. Your corporate security Standards mandate encryption of secret information like database passwords.
As a function developer, which approach should you follow to satisfy this security requirement?
A. Use the Oracle Cloud Infrastructure Console and enter the password in the function configuration section in the provided input field.
B. Encrypt the password using Oracle Cloud Infrastructure Key Management. Decrypt this password in your function code withthe generated key.
C. All function configuration variables are automatically encrypted by Oracle Functions.
D. Use Oracle Cloud Infrastructure Key Management to auto-encrypt the password. It will inject the auto-decrypted password inside your function container.
正解：B

質問 4：
Which two statements are true for serverless computing and serverless architectures?
A. Application DevOps team is responsible for scaling
B. Long running tasks are perfectly suited for serverless
C. Applications running on a FaaS (Functions as a Service) platform
D. Serverless function state should never be stored externally
E. Serverless function execution is fully managed by a third party
正解：C,D
解説: (Topexam メンバーにのみ表示されます)

質問 5：
You are developing a serverless applicationwith Oracle Functions. You have created a function in compartment named prod. When you try to invoke your function you get the following error.
Errorinvokingfunction.status:502message:dhcp options ocid1.dhcpoptions.oc1.phx.aaaaaaaac...doesnot existorOracleFunctionsisnotauthorized touseit How can you resolve this error?
A. Create a policy:
Allow function-family to use virtual-network-family in compartmentprod
B. Deleting the function andredeploying it will fix the problem
C. Create a policy:
Allow service FaaS to use virtual-network-family in compartment prod
D. Create a policy:
Allow any-user to manage function-family and virtual-network-family in compartment prod
正解：C
解説: (Topexam メンバーにのみ表示されます)

質問 6：
How can you find details of the tolerations field for the sample YAML file below?

A. kubectl get pod.spec.tolerations
B. kubectl describe pod.spec tolerations
C. kubectl explain pod.spec.tolerations
D. kubectl list pod.spec.tolerations
正解：C
解説: (Topexam メンバーにのみ表示されます)

質問 7：
Per CAP theorem, in which scenario do you NOTneed to make any trade-off between the guarantees?
A. when there are no network partitions
B. when you are using load balancers
C. when the system is running on-premise
D. when the system is running in the cloud
正解：A
解説: (Topexam メンバーにのみ表示されます)