Infosys Certified NodeJS Microservices Developer
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Join Premium10 Infosys Certified NodeJS Microservices Developer practice questions with answers
Real Lex exam-pattern multiple-choice questions for the Infosys Certified NodeJS Microservices Developer certification. Each question includes the correct answer. The full question bank is available to Premium members.
- Question 1
Jack developed an enterprise application using monolithic architecture. But later he found some drawbacks in his application. So, he decided to migrate from monolithic to microservice architecture. What are the factors influenced him to use microservice architecture in his application?
i) Service level testing
ii) Scale only the required service
iii) Independent small services
iv) Redeploy the entire application for any change
v) Single technology stack
- ✓only (i),(ii) and (iii)Correct
- Bonly (ii),(iv) and (v)
- Conly (i),(ii) and (iv)
- Donly (ii),(iii) and (v)
- EAll the options are correct
- Question 2
A development team of a leading MNC "BizyNez" decided to use microservices architecture in their applications development. What type of application, a team can develop using microservices architecture?
- ✓Robotic applicationsCorrect
- BScientific test equipment applications
- CEnterprise applications that are subject to changes on a frequent basis
- DNano technology applications
- Question 3
Which of the following is used to implement configuration service and Discovery Service in Microservices based application?
- ✓
Spring Cloud Consul
Correct - B
Spring Cloud Gateway
- C
Opossum
- D
Feign
- ✓
- Question 4
Which of the following option is TRUE regarding “bounded context” in microservice architecture?
- ✓
It defines the scope of services so that change in one doesn’t impact the other service.
Correct - B
It states that every microservice should have their own responsibilities
- C
It states that every API of the application to be implemented as individual services
- D
It defines the configuration of individual services
- ✓
- Question 5
David observed that an inter communication between the services happens in microservices architecture through certain type of protocols.
What type of protocols are responsible for inter communication between the services?
- ✓Multiple message protocolsCorrect
- BLightweight protocols
- CFile protocols
- DState protocols
- Question 6
ABCWorks, a large-scale organization is using Microservices architecture in developing their app.
Which of the below is/are true?
I. Developers may face difficulty in understanding the complete system at a high level.
ii. If one microservice is being consumed by another, then having independent teams maintain each microservice may not work out.
iii. Developers can easily debug a microservice even if it’s an issue with a downstream microservice that this current microservice is consuming.
- ✓
Both i and ii
Correct - B
Both ii and iii
- C
i, ii, iii
- D
Only i
- ✓
- Question 7
Which of the below scenarios are benefits of cloud-native Microservices?
i. Increasing the instances when there is a high need and decreasing them when need is less.
ii. Managing infrastructure requirements of Microservices.
iii. Managing multiple instances for load balancing.
- ✓
i,ii,
Correct - B
ii,iii
- C
i,ii,iii
- D
None
- ✓
- Question 8
Which of the below are benefits of using Microservices architecture?
- Scaling up and down of services based on demand
- Resiliency helps microservices for fault tolerance.
- Monitoring helps in checking health of microservices
- Implementing security at API Gateway is sufficient to secure microservice architecture.
- ✓
i,ii,iii,iv
Correct - B
i,ii,iii
- C
ii,iii
- D
ii,iii,iv
- Question 9
Which of the below introduce challenges with respect to debugging in a microservice architecture?
i. Debugging is challenging, as microservices can adapt different debugging mechanisms.
ii. Locating helpful diagnostic information from huge amount of distributed log data
- ✓
Only i
Correct - B
Only ii
- C
Both i and ii
- D
Neither i nor ii
- ✓
- Question 10
User service created using Node Microservices uses MongoDB data source and Cart service created using Spring Microservices uses Oracle database. Which of the below features of Microservice architecture has been utilized here? (Choose 2 correct options)
- ✓
Decentralized data management
Correct - B
Scalability
- C
Flexible Technology stack usage
- D
Availability
- ✓
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