Free IBM Cloud Professional Developer v4 Exam C1000-109 Exam Practice Test

How does an application developer allow access to the API developed in IBM API Connect across domain boundaries?

• Add Access-control-Allow-Origin: '*' to the HTTP response headers
  
• Implement custom CORS solution and enable the CORS option
  
• Add to the response headers Access-Control-Allow-Headers
  
• Enable Enforced option under Lifecycle in API Manager
  

What are the core functionalities for IBM Cloud Pak for Automation?

• API lifecycle Management. Enterprise Messaging, Digital Workers
  
• Content Management. Workflow. Decisions
  
• Capture. Digital Workers. Enterprise Messaging
  
• Workflow. Decisions. API lifecycle Management
  

A developer is instructed to use a circuit breaker pattern in a User Story, using a best effort approach. What should the developer do to deliver this request?

• Check the service status through an API call and throw an exception when the service is down
  
• Add a fallback method that returns null or an empty set as result when the service is down
  
• Add a fallback method that returns a cached copy of the data requested when the service is down
  
• Add a retry loop to keep trying the invocation when the service is down
  

What does the IBM Cloud Virtual Server Auto Scale feature provide?

• Configures security group permissions
  
• Seamless and automatic scaling up of instances when more resources are required due to demand
  
• Flexible scaling based on RAM usage
  
• Provisioning on-premise servers
  

Which statement describes the Watson loT Platform?

• The Watson loT Platform is a containerized loT platform designed to run on Red Hat OpenShift
  
• The Watson loT Platform is a fully managed, cloud-hosted service that makes it simple to derive value from Internet of Things (loT) devices
  
• The Watson loT Platform is an IBM software solution designed to run on both on-premises environments and on IBM Cloud
  
• The Watson loT Platform is a cloud-hosted CORBA service that makes it simple to develop loT applications using a simple drag and drop interface
  

Which of the following components is used for Sysdig agent installation in an IBM Cloud Kubernetes Service cluster?

• DaemonSet
  
• Object mapping using labels
  
• Pod with Spec Monitor agent
  
• Sidecar to the Pod
  

A DevOps team is provisioning environments in IBM Cloud during the development lifecycle. What can be done to optimize the environment provisioning process?

• Use Schematics service in IBM Cloud to create infrastructure as code templates and use the on DevOps pipeline to create and configure environments
  
• Use Chef scripts in the DevOps pipeline to create configuration tasks for application containers
  
• Use Virtual Machine templates in IBM Cloud to define environment configuration and start/stop them as needed
  
• Use Bare Metal Servers to configure the environments and have full control of them
  

The IBM Cloud Object Storage S3 compatible API is a REST-based API for reading and writing objects. What kind of credential needs to be generated to authenticate to the S3 API?

• HMAC
  
• SSL
  
• SSH
  
• IAM API Key
  

Infrastructure as Code (laC) is a core technology to drive consistent infrastructure when building a DevOps practice. Which IBM Cloud service can be used to declare software defined environments?

• Puppet
  
• Chef
  
• RunDeck
  
• Schematics
  

Which of the following statements is correct regarding Sysdig's metric collection for IBM Cloud Kubernetes Service?

• It collects metrics only related to worker node CPU and worker node memory usage
  
• It automatically collects IBM Cloud Pak licensing metrics
  
• It can collect HTTP traffic into and out of containers
  
• It can't collect custom application metrics