Question 1

Refer to the exhibit.

Based on the default Spring behavior, choose the correct answer. (Choose the best answer.)

Options :

A : One AccountRepository bean will be instantiated since the default scope is singleton.

B :

Three AccountRepository beans will be instantiated as the accountRepository() method will be

called three times.

C :

Many AccountRepository beans will be instantiated, depending how often accountRepository(),

transferService() and accountService() are called.

D :

Two AccountRepository beans will be instantiated as the accountRepository() method will be

called two times.

Answer: C

Question 2

Which two statements are true regarding storing user details in Spring Security? (Choose two.)

Options :

A : With a custom UserDetailsService defined in the ApplicationContext, Spring Boot still creates the default user.

B : Passwords must be hashed and the default hashing algorithm is MD5.

C : User details can be stored in custom storage and retrieve them by implementing the UserDetailsService interface.

D : User details can be stored in a database, in LDAP, or in-memory.

E : The user details includes username and password but not authorities.

Answer: A

Question 3

Spring bean classes are defined under a package called com.mycomp.service. What two options are required to enable component scanning? (Choose two.)

Options :

A : Ensure bean classes are annotated with the @Component annotation.

B : Add the @ComponentScan ("com.mycomp. service") to the Java configuration.

C : Ensure bean classes are annotated with the @Autowired annotation.

D : Ensure bean classes are annotated with the @Bean annotation.

E : Ensure bean classes are annotated with the @ComponentScan annotation.

Answer: A,B

Question 4

Which statement describes the propagation behavior of Propagation.REQUIRES_NEW annotation? (Choose

the best answer.)

Options :

A :

Starts a new transaction but throws an exception if an active transaction already exists.

B : Joins a transaction if one already exists; throws an exception if an active transaction does not exist.

C :

Starts a new transaction; if an active transaction already exists, it is suspended.

D :

Runs in a nested transaction if an active transaction exists; throws an exception if an active transaction

does not exist.

Answer: C

Question 5

Which statements is true?

Options :

A : Methods annotated with @AfterEach will run only once before any tests in a class are executed.

B : @BeforeAll annotation can only be used on non-static methods.

C : Methods annotated with @BeforeAll will run only once before any tests in a class are executed.

D : @AfterEach annotation must be used on a cleanup method when @BeforeEach is used.

Answer: C

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