Spring Cloud Quiz - MCQ - Multiple Choice Questions

Q. Which snippet shows correct @PathVariable usage?

A Template variable bound via @PathVariable.

@GetMapping("/hello/{name}")

B Uses @RequestParam despite templated URI.

@GetMapping("/hello/{name}")

Q. What is the function of Eureka in Spring Cloud?

D Standard query parameter handling.

@GetMapping("/hello")
        
            
            A

Q. Which component of Spring Cloud is responsible for API gateway functionality?

A Eureka B Zuul C Hystrix D Ribbon

Q. What is the purpose of the Ribbon component in Spring Cloud?

A Service discovery and registration. B Client-side load balancing. C Circuit breaking. D API gateway duties.

Q. Which Spring Cloud component provides circuit breaking?

A Eureka B Zuul C Hystrix D Ribbon

Q. What is the purpose of the Config Server component in Spring Cloud?

A Service discovery and registration. B Load balancing. C Centralized configuration management. D API gateway.

Q. Which Spring Cloud component handles service discovery and registration?

A Eureka B Zuul C Hystrix D Ribbon

Q. What does Feign add to a Spring Cloud application?

A Service discovery and registration. B Load balancing. C Circuit breaking. D Declarative REST client support.

Q. Why would you add Hystrix to a Spring Cloud service?

A To produce results. B To consume values. C To provide latency tolerance and circuit breakers. D To transform payloads.

Q. What need does Zuul solve in Spring Cloud?

A Service discovery and registration. B Load balancing. C Circuit breaking. D Edge routing and API gateway duties.

Q. Which annotation creates a Spring REST controller?

A Primary REST controller stereotype.

@RestController

B MVC controller without implicit @ResponseBody.

@Controller

C Request mapping configuration.

@RequestMapping

D Marks method return body.

@ResponseBody

Q. Which composed annotation maps HTTP GET requests?

A Handles POST requests.

@PostMapping

B Handles GET requests.

@GetMapping

C Handles PUT requests.

@PutMapping

D Handles DELETE requests.

@DeleteMapping

Q. Which annotation sets a base path for controller mappings?

A Defines URI prefixes for handler methods.

@RequestMapping

B Combines controller and response body.

@RestController

C MVC stereotype for view rendering.

@Controller

D Applies HTTP status to responses.

@ResponseStatus

Q. Which snippet shows correct @PathVariable usage?

A Template variable bound via @PathVariable.

@GetMapping("/hello/{name}")
public String hello(@PathVariable String name) {
    return "Hello, " + name + "!";
}

B Uses @RequestParam despite templated URI.

@GetMapping("/hello/{name}")
public String hello(@RequestParam String name) {
    return "Hello, " + name + "!";
}

C Exposes @PathVariable without placeholder.

@GetMapping("/hello")
public String hello(@PathVariable String name) {
    return "Hello, " + name + "!";
}

D Standard query parameter handling.

@GetMapping("/hello")
public String hello(@RequestParam String name) {
    return "Hello, " + name + "!";
}

Q. Which annotation serializes a handler result into the response body?

A Marks a method return value as the HTTP body.

@ResponseBody

B Maps URLs and verbs.

@RequestMapping

C Controller stereotype that implies @ResponseBody on every handler.

@RestController

D Sets HTTP status.

@ResponseStatus

Q. Which annotation registers an exception handler method?

A Map specific exceptions to a handler.

@ExceptionHandler

B Set the HTTP status for responses.

@ResponseStatus

C Bind request bodies to parameters.

@RequestBody

D Write return values to the response body.

@ResponseBody

Q. Which annotation sets a custom HTTP status for a handler?

A Writes return value to the body.

@ResponseBody

B Maps URIs and verbs.

@RequestMapping

C Declares the HTTP status returned by a handler.

@ResponseStatus

D Combines controller and response body semantics.

@RestController

Q. Which snippet correctly uses @RequestBody?

A POST endpoint binding payload to parameter.

@PostMapping("/hello")
public String hello(@RequestBody String body) {
    return "Hello, " + body + "!";
}

B GET endpoint reading query parameter.

@GetMapping("/hello")
public String hello(@RequestParam String name) {
    return "Hello, " + name + "!";
}

C Uses @PathParam instead of body binding.

@PostMapping("/hello")
public String hello(@PathParam String name) {
    return "Hello, " + name + "!";
}

D Attempts to read body with GET.

@GetMapping("/hello")
public String hello(@RequestBody String body) {
    return "Hello, " + body + "!";
}

Q. Which annotation lets you declare the HTTP verb for a handler?

A General-purpose mapping that accepts method attributes.

@RequestMapping

B Writes return values to the response body.

@ResponseBody

C MVC stereotype for controllers.

@Controller

D Old-style enum for HTTP verbs.

@RequestMethod

Q. Which annotation defines a shared base URL for controller methods?

A Class-level mapping that prefixes handler routes.

@RequestMapping

B Serializes method results.

@ResponseBody

C REST-specific controller stereotype.

@RestController

D MVC controller stereotype.

@Controller

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