JSP is a technology on the server side to make ______ easier.
- Client-side scripting
- Java programming
- Server-side scripting
- Web development
JSP (JavaServer Pages) is a technology on the server side to make server-side scripting easier. It allows the embedding of Java code in HTML pages for dynamic content generation.
How should a servlet handle session tracking when a user's privacy settings restrict cookie usage?
- Database Session
- HTTP Session
- Hidden Form Fields
- URL Rewriting
When a user's privacy settings restrict cookie usage, session tracking can be handled using Hidden Form Fields. This involves including session information in HTML forms.
How can a servlet handle form data containing non-ASCII characters?
- Convert the data to ASCII
- Set the character encoding using setCharacterEncoding()
- This is not possible
- Use the getEncoding()
To handle form data containing non-ASCII characters, you should set the character encoding using the setCharacterEncoding(String encoding) method of the HttpServletRequest object.
How is the ServletContext obtained in a servlet?
- Using the getServletConfig() method of the HttpServletRequest object.
- Using the getServletConfig() method of the ServletContext object.
- Using the getServletContext() method of the HttpServletRequest object.
- Using the getServletContext() method of the ServletConfig object.
The getServletContext() method of the HttpServletRequest object is used to obtain the ServletContext in a servlet.
How does a servlet differentiate between GET and POST requests?
- By request headers
- By session cookies
- By the request URL
- By the request body
A servlet differentiates between GET and POST requests by examining the request body. GET requests append data to the URL, while POST requests send data in the request body.
In a scenario where cookies are disabled, which session tracking technique can be employed?
- HTTP Session
- Hidden Form Fields
- IP Address Tracking
- URL Rewriting
URL Rewriting is a session tracking technique that can be employed when cookies are disabled. It involves appending session information to URLs.
If you need to set a custom header in an HTTP response, which HttpServletResponse method should you use?
- addHeader(String name, String value)
- appendHeader(String name, String value)
- setHeader(String name, String value)
- writeHeader(String name, String value)
To set a custom header in an HTTP response, you should use the setHeader(String name, String value) method of the HttpServletResponse interface.
Which interface provides the functionality to get initialization parameters in servlets?
- ServletConfig
- ServletContext
- ServletInitializer
- ServletParameters
The ServletConfig interface provides the functionality to get initialization parameters in servlets.
What is the default behavior of the service() method in the HttpServlet class?
- Forwarding the request to the init() method.
- Invoking the doGet() method.
- Invoking the doPost() method.
- Providing an HTTP 405 (Method Not Allowed) error.
The default behavior of the service() method in the HttpServlet class is to provide an HTTP 405 error (Method Not Allowed) response, indicating that the requested HTTP method is not supported.
What considerations should be made when handling large form data submissions in a servlet?
- Ensure the servlet has a large buffer size.
- Increase the maximum allowed request size.
- Use GET requests instead of POST requests.
- Use compression to reduce data size.
When handling large form data submissions in a servlet, considerations include increasing the maximum allowed request size, optimizing buffer sizes, and using compression to reduce data size.