2V0-72.22 — Free Practice Questions
10 free sample questions from a bank of 77, with the correct answers and explanations. No signup required — start practising right now.
1If a class is annotated with @Component, what should be done to have Spring automatically detect the annotated class and load it as a bean? (Choose the best answer.)
- Ensure a valid bean name in the @Component annotation is specified.
- Ensure a valid @ComponentScan annotation in the Java configuration is specified.
- Ensure a valid @Scope for the class is specified.
- Ensure a valid @Bean for the class is specified.
Answer: B
2Given an ApplicationContext containing three bean definitions of type Foo with bean ids foo1, foo2, and foo3, which three @Autowired scenarios are valid and will allow the ApplicationContext to initialize successfully? (Choose three.)
- @Autowired public void setFoo (Foo foo) {…}
- @Autowired @Qualifier (“foo3”) Foo foo;
- @Autowired public void setFoo (@Qualifier (“foo1”) Foo foo) {…}
- @Autowired private Foo foo;
- @Autowired private Foo foo2;
- @Autowired public void setFoo(Foo foo2) {…}
Answer:
3Which 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.)
- spring-boot-devtools
- spring-boot-initializr
- spring-boot-starter-devtools
- spring-boot-restart
Answer: A
4Spring puts each bean instance in a scope. What is the default scope? (Choose the best answer.)
- prototype
- singleton
- request
- session
Answer: B
5Refer to the exhibit. Which option is a valid way to retrieve the account id? (Choose the best answer.)
- Add @PathVariable(“id”) String accountId argument to the update() handler method.
- Add @PathVariable long accountId argument to the update() handler method.
- Add @RequestParam long accountId argument to the update() handler method.
- Add @RequestParam(“id”) String accountId argument to the update() handler method.
Answer: A
6Which strategy is correct for configuring Spring Security to intercept particular URLs? (Choose the best answer.)
- The URLs can be specified via configuration (using authorizeRequests () and request matchers), with the most specific rule first and the least specific last.
- Spring Security can obtain URLs from Spring MVC controllers, the Spring Security configuration just needs a reference to the controller to be protected.
- The URLs are specified in a special properties file, used by Spring Security.
- The URLs can be specified via configuration (using authorizeRequests () and request matchers), with the least specific rule first and the most specific last.
Answer: A
7In which three ways are Security filters used in Spring Security? (Choose three.)
- To provide risk governance.
- To drive authentication.
- To manage application users.
- To provide a logout capability.
- To enforce authorization (access control).
- To encrypt data.
Answer:
8Refer to the exhibit. The above code shows a conditional @Bean method for the creation of a JdbcTemplate bean.
Which two statements correctly describe the code behavior? (Choose two.)
- @ConditionalOnBean(name= “dataSource”) should be replaced with @ConditionalOnBean (DataSource.class) for greater flexibility.
- @ConditionalOnBean(name= “dataSource”) should be replaced with @ConditionalOnMissingBean (DataSource.class) for greater flexibility.
- The @Bean annotation should be removed.
- A JdbcTemplate bean will be created when the DataSource class is in the classpath but there is no DataSource bean.
- A JdbcTemplate bean will be created when a bean named dataSource has already been created.
Answer:
9What is a Spring Boot starter dependency? (Choose the best answer.)
- A setting for specifying which code you want Spring Boot to generate for you.
- A specific POM which you must build to control Spring Boot’s opinionated runtime.
- A pre-existing model project you can download and use as the basis of your project.
- An easy way to include multiple, coordinated dependencies related to a specific technology, like web or JDBC.
Answer: D
10Which two are required to use transactions in Spring? (Choose two.)
- Add @EnableTransactionManagement to a Java configuration class.
- Annotate a class, an interface, or individual methods requiring a transaction with the @Transactional annotation.
- A class must be annotated with @Service and @Transaction.
- A class requiring a transaction must implement the TransactionInterceptor interface.
- Write a Spring AOP advice to implement transactional behavior.
Answer:
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