Web Services Development MCQs with Answers
Practice important Web Services Development MCQs with answers and explanations.
Multiple Choice Questions
Q491: What interface is used to create an HttpSession object in servlets?
- A: HttpServlet
- B: HttpSession
- C: HttpServletRequest
- D: HttpSessionRequest
View Answer
C
Q492: Which method invalidates a session in HttpSession?
- A: destroySession()
- B: invalidate()
- C: closeSession()
- D: deleteSession()
View Answer
B
Q493: SendRedirect works on which side?
- A: Server
- B: Client
- C: Browser
- D: Cache
View Answer
B
Q494: Forwarding a request works on which side in servlets?
- A: Client
- B: Server
- C: Cache
- D: Database
View Answer
B
Q495: How can a cookie be deleted in a servlet?
- A: By setting its value to null
- B: By setting its maxAge to 0
- C: By removing it from the client
- D: By invalidating the session
View Answer
B
Q496: Hidden form fields store which type of information?
- A: Only textual information
- B: Binary files
- C: Encrypted data
- D: Cookies
View Answer
A
Q497: URL rewriting will work even if ____ is disabled.
- A: JavaScript
- B: Cookies
- C: Hidden fields
- D: Sessions
View Answer
B
Q498: The getSession() method in HttpServletRequest returns ____.
- A: The current HttpSession object
- B: A new cookie
- C: The name of the session
- D: The session identifier
View Answer
A
Q499: What is the main purpose of a hidden form field?
- A: To display user information
- B: To maintain state of user
- C: To encrypt data
- D: To improve form design
View Answer
B
Q500: In the example provided, what is the name of the hidden field?
- A: uname
- B: username
- C: hiddenField
- D: fieldName
View Answer
A