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Ques : In an annotation-based Spring MVC controller, which of the following are valid ways to set cache headers for a specific path?
Ans : Ensuring the instance of "AnnotationMethodHandlerAdapter" does not have the "cacheSeconds" property set, and adding an instance of "WebContentInterceptor".
Adding "final HttpServletResponse response" as a parameter, then setting the header "Cache-Control" to "all-cache".
Using a Handler Interceptor and using the "postHandle" method provided by it.
Ques : Which of the following are valid sets of constructor arguments for the ModelAndView class? (Select all correct answers.)
Ans : String viewName
String viewName, Map model
Ques : Which of the following are possible validation methods for user input in Spring MVC?
Ans : Annotation validation
Programmatic validation
Ques : Which of the following code samples will get the ServletContext inside an Interceptor?
Ans : @Autowired ServletContext context;
request.getSession().getServletContext();
Ques : Which of the following dependency injection (DI) methodologies are available in Spring MVC?
Ans : Constructor-based dependency injection
Setter-based dependency injection
Ques : Which of the following interfaces can be implemented to interact with a container's management of the bean lifecycle?
Ans : InitializingBean
DisposableBean
Ques : Select all authentication methods that are supported by Spring Security by default:
Ans : Basic Authentication
Digest Access Authentication
Ques : True or false: a factory class can hold more than one factory method.
Ans : True
Ques : Regarding the @Resource annotation, which of the following statements is false?
Ans : If no name attribute is specified, the default name is derived from the field name or setter method.
Ques : Which of the following statements is true about method arguments that have an @ModelAttribute annotation?
Ans : Model attributes have to be explicitly added when using @ModelAttribute.
Ques : What does the following code do?
@RequestMapping("/{id}/**")
public void foo(@PathVariable("id") int id, HttpServletRequest request) {
String restOfTheUrl = (String) request.getAttribute(
HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE);
...
}
Ans : It retrieves the partial path value (after "**") before the @RequestMapping and @PathVariable values have been parsed.
Ques : Which of the following can be used to serve static resources while still using DispatchServlet at the site's root?
Ans :
Ques : What is the difference between the @Repository and the @Controller annotations in Spring?
Ans : "@Repository" is used as a stereotype for the persistence layer, while "@Controller" is used as a stereotype for the presentation layer.
Ques : Which of the following annotations are supported by classes with the @Bean annotation?
Ans : @PostConstruct
Ques : Which of the following statements is false?
Ans : By default, a transaction is only marked for rollback in the case of runtime unchecked exceptions.
Ques : Which of the following statements is true about the HandlerExceptionResolver class?
Ans : DefaultHandlerExceptionResolver converts standard Spring exceptions and converts them to HTTP Status Codes.
Ques : Given the following method:
@RequestMapping(method=RequestMethod.GET, value="/fooBar")
public ResponseEntity fooBar2() {
String json = "jsonResponse";
HttpHeaders responseHeaders = new HttpHeaders();
responseHeaders.setContentType(MediaType.APPLICATION_JSON);
return new ResponseEntity(json, responseHeaders, HttpStatus.CREATED);
}
Which of the following statements is correct?
Ans : It returns a JSON String and sets the mimetype to text/javascript.
Ques : Which of the following classes provides built-in pagination functionality in SpringMVC?
Ans : PagedListHolder
Ques : Given the method below:
@RequestMapping(value = "/foo", method = RequestMethod.GET)
public final String foo(HttpServletRequest request, BindingResult bindResult, ModelMap model) {
model.addAttribute("abc", 123);
return "foo";
}
When the view is displayed in the browser, it's URL is "http://mydomain/foo?abc=123".
Which of the following statements is true?
Ans : The attribute name-value pair will be included in the URL, regardless of the use of @ModelAttribute in the controller.
Ques : Which of the following is true about the use of in a servlet?
Ans : activates many different annotations in beans, whether they are defined in XML or through component scanning.
Ques : Fill in the blank:
The _______ enables the use of the bean element’s attributes, instead of nested elements, to describe property values and/or collaborating beans.
Ans : p-namespace
Ques : Which of the following statements is true about the @RequestMapping annotation?
Ans : It supports ant-style paths.
Ques : Which of the following statements is true for the configuration of the Spring handler adapter(s) in a Spring MVC application context?
Ans : If at least one request handler adapter is defined the context files, Spring will not create the default adapters.
Ques : Which of the following statements is true about the HandlerInterceptor interface?
Ans : It allows exchanging the request and response objects that are handed down the execution chain.
Ques : How can an HTTP 404 status code be returned from a Spring MVC Controller?
Ans : Having the method accept HttpServletResponse as a parameter, so that setStatus(404) can be called on it.
Ques : Which of the following is the default bean scope in Spring MVC?
Ans : singleton
Ques : Which of the following enables custom qualifier annotation types to be registered even if they are not annotated with Spring’s @Qualifier annotation?
Ans : CustomAutowireConfigurer
Ques : Which of the following statements is correct?
Ans : doesn't declare its own handler mapping
Ques : Which of the following statements is true about the @RequestParam annotation?
Ans : It indicates that a method parameter should be bound to a web request parameter.
Ques : Which of the following code samples will correctly return an image in @ResponseBody from a byte[] of image data?
Ans : @ResponseBody @RequestMapping("/photo", method = RequestMethod.GET, produces = MediaType.IMAGE_JPEG_VALUE) public byte[] testphoto() throws IOException { InputStream in = servletContext.getResourceAsStream("/images/no_image.jpg"); return IOUtils.toByteArray(in); }
Ques : Which of the following statements are correct, with respect to using the @PreAuthorize annotation in Spring controller methods?
Ans : @PreAuthorize works with Spring controller methods.
Ques : Which of the following is not a built-in Spring MVC bean scope?
Ans : local session
Ques : Fill in the blank: _______ is a class-level annotation indicating that an object is a source of bean definitions.
Ans : @Configuration
Ques : Fill in the blank:
When defining a bean that is created with a static factory method, the ______ attribute is used to specify the class containing the static factory method.
Ans : class
Ques : Which of the following statements is true about the @ModelAttribute annotation?
Ans : It can be used to expose reference data to a web view.
Ques : Fill in the blank:
In Spring's XML-based configuration, the _______ attribute of the element specifies a property or constructor argument as a string representation.
Ans : name
Ques : Which of the following statements is/are true about autowiring in Spring?
Ans : Fields are injected after the construction of a bean.
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