RESTful Online Quiz

Following quiz provides Multiple Choice Questions (MCQs) related to RESTful Framework. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.

Questions and Answers

Q 1 - Which of the following is correct about web services?

A - A web service is a collection of open protocols and standards used for exchanging data between applications or systems.

B - Software applications written in various programming languages and running on various platforms can use web services to exchange data among them over computer networks like the Internet.

C - Both of the above.

D - None of the above.

Answer : C

Explanation

A web service is a collection of open protocols and standards used for exchanging data between applications or systems. Software applications written in various programming languages and running on various platforms can use web services to exchange data over computer networks like the Internet in a manner similar to inter-process communication on a single computer.

Q 2 - Which of the following component of HTTP request is used to indicate HTTP version?

C - HTTP Version

D - Request Header

Answer : C

Explanation

HTTP Version − Indicate HTTP version, for example HTTP v1.1 .

Q 3 - Which of the following component of HTTP response contains response message content or Resource representation?

A - Status/Response Code

B - HTTP Version

C - Response Header

D - Response Body

Answer : D

Explanation

Response Body − Response message content or Resource representation.

Q 4 - Which of the following HTTP method should be used to get status of method availability in RESTful web service?

Answer : B

Explanation

HEAD opearations should be used to get status of method availability in RESTful web service.

Q 5 - Which of the following is a best practice for caching in RESTful web service?

A - Always keep static contents like images, css, JavaScript cacheable, with expiration date of 2 to 3 days.

B - Never keep expiry date too high.

C - Dynamic contents should be cached for few hours only.

D - All of the above.

Answer : D

Explanation

All of the above options are correct.

Q 6 - Which of the following is a best practice for designing a secure RESTful web service?

A - Validation - Validate all inputs on the server. Protect your server against SQL or NoSQL injection attacks.

B - Session based authentication - Use session based authentication to authenticate a user whenever a request is made to a Web Service method.

C - Both of the above.

D - None of the above.

Answer : C

Explanation

Both of the above options are correct.

Q 7 - Which of the following annotation of JAX RS API is used to annotate a method to get the relative path of the resource class/method?

Answer : A

Explanation

@Path - Relative path of the resource class/method.

Q 8 - Which of the following annotation of JAX RS API binds the parameter passed to method to a HTTP header?

B - @QueryParam

C - @MatrixParam

D - @HeaderParam

Answer : D

Explanation

@HeaderParam − Binds the parameter passed to method to a HTTP header.

Q 9 - RESTful web services use HTTP methods to implement the concept of REST architecture.

Answer : A

Explanation

RESTful web services use HTTP methods to implement the concept of REST architecture.

Q 10 - POST opearations should be idempotent.

Answer : B

Explanation

POST operation can cause different result.

restful_questions_answers.htm

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