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2V0-72.22 Professional Develop VMware Spring

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Single choice3

Multiple choice6

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VMware · 2V0-72.22

2V0-72.22 questions and answers

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Question 1

Multiple choice

Which two statements are true concerning the BeanPostProcessor Extension point? (Choose two.)

A
BeanPostProcessors are called before the dependencies have been injected.
B
Custom BeanPostProcessors can be implemented for Spring applications.
C
BeanPostProcessors are called before the BeanFactoryPostProcessors.
D
BeanPostProcessors are called during the initialization phase of a bean life cycle.
E
BeanPostProcessors cannot be ordered in a Spring Boot application.

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Correct answersB, D

Explanation

References:
https://docs.spring.io/spring-framework/docs/3.0.0.M3/reference/html/ch04s07.html

Question 2

Multiple choice

Which three types can be used as @Controller method arguments? (Choose three.)

A
Locale
B
Principal
C
Language
D
Session
E
Request
F
HttpSession

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Correct answersA, E, F

Explanation

References:
https://docs.spring.io/spring-framework/docs/3.0.0.M4/spring-framework-reference/html/
ch15s03.html

Question 3

Single choice

Which dependency enables an automatic restart of the application as code is changed during development of a Spring boot configuration on a web application? (Choose the best answer.)

A
spring-boot-devtools
B
spring-boot-initializr
C
spring-boot-starter-devtools
D
spring-boot-restart

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Correct answerA

Explanation

References:
https://docs.spring.io/spring-boot/docs/current/reference/html/using.html

Question 4

Multiple choice

Which two statements are correct regarding the @EnableAutoConfiguration annotation? (Choose two.)

A
It is a meta-annotation on the @SpringBootApplication composed annotation.
B
It enables auto-configuration of the ApplicationContext by attempting to guess necessary beans.
C
It is meta-annotation on the @SpringBootConfiguration composed annotation.
D
It has the same effect regardless of the package of the class that is annotated with it.
E
It ensures auto-configuration is applied before user-defined beans have been registered.

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Correct answersA, D

Explanation

References:
https://docs.spring.io/spring-boot/docs/current/api/org/springframework/boot/autoconfigure/
EnableAutoConfiguration.html

Question 5

Single choice

What is a Spring Boot starter dependency? (Choose the best answer.)

A
A setting for specifying which code you want Spring Boot to generate for you.
B
A specific POM which you must build to control Spring Boot's opinionated runtime.
C
A pre-existing model project you can download and use as the basis of your project.
D
An easy way to include multiple, coordinated dependencies related to a specific technology, like web or JDBC.

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Correct answerD

Explanation

References:
https://developer.ibm.com/tutorials/j-spring-boot-basics-perry/

Question 6

Multiple choice

Which two options will inject the value of the daily.limit system property? (Choose two.)

A
@Value("#{daily.limit}")
B
@Value("$(systemProperties.daily.limit)")
C
@Value("$(daily.limit)")
D
@Value("#{systemProperties[`daily.limit']}")
E
@Value("#{systemProperties.daily.limit}")

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Correct answersB, D

Question 7

Multiple choice

Which two annotations indicate that the transaction for a transactional test method should be committed after the test method has completed? (Choose two.)

A
@SqlMergeMode(false)
B
@Rollback(false)
C
@Commit
D
@Sql(alwaysCommit=true)
E
@Transactional(commit=true)

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Correct answersB, C

Explanation

References:
https://stackoverflow.com/questions/9817388/junit-tests-always-rollback-the-transactions

Question 8

Multiple choice

Which two options are REST principles? (Choose two.)

A
RESTful applications use a stateless architecture.
B
RESTful application use HTTP headers and status codes as a contract with the clients.
C
RESTful applications cannot use caching.
D
RESTful application servers keep track of the client state.
E
RESTful applications favor tight coupling between the clients and the servers.

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Correct answersA, B

Question 9

Single choice

Which option is true about use of mocks in a Spring Boot web slice test? (Choose the best answer.)

A
Mocking a Spring Bean requires annotating it with @MockBean annotation.
B
If a Spring Bean already exists in the web slice test spring context, it cannot be mocked.
C
Mocks cannot be used in a Spring Boot web slice test.
D
Mocking a Spring Bean requires annotating it with @Mock annotation.

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Correct answerA

Explanation

References:
https://tanzu.vmware.com/developer/guides/spring-boot-testing/