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C1000-109 Exam Dumps - IBM Cloud Professional Developer v4

Question # 4

In an Event Driven Architecture, which two of the following IBM Cloud services could be considered an event source?

A.

Cloud HSM

B.

App ID

C.

IBM Blockchain platform

D.

PostgreSQL

E.

Portworx Enterprise

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Question # 5

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?

A.

Check the service status through an API call and throw an exception when the service is down

B.

Add a fallback method that returns null or an empty set as result when the service is down

C.

Add a fallback method that returns a cached copy of the data requested when the service is down

D.

Add a retry loop to keep trying the invocation when the service is down

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Question # 6

In the context of cloud-native, what is the principle of Immutability?

A.

Images incorporate all settings required to pass resource requirements to the platform

B.

After images are built, they do not change across different environments

C.

The code base is managed using source code control as part of a robust lifecycle

D.

Containers are ephemeral and can be replaced by new instances

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Question # 7

Which of the following workloads fits the IBM Cloud Functions processing model?

A.

Complex business processes

B.

High-volume, independent, parallel workloads

C.

Distributed business transactions

D.

Low latency workloads

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Question # 8

Which two of the following are exposed to leverage IBM DB2 Warehouse on Cloud through REST?

A.

Database management API

B.

Database Data Access API

C.

Database monitoring API

D.

Database Programming API

E.

Database resource scaling API

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Question # 9

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

A.

Configures security group permissions

B.

Seamless and automatic scaling up of instances when more resources are required due to demand

C.

Flexible scaling based on RAM usage

D.

Provisioning on-premise servers

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