Servlets - Online Quiz
Following quiz provides Multiple Choice Questions (MCQs) related to Servlets 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.
Q 1 - Which of the following is true about servlets?
A - Servlets execute within the address space of a Web server.
B - Servlets are platform-independent because they are written in Java.
C - The full functionality of the Java class libraries is available to a servlet.
Answer : D
Explaination
All of the above stand true for servlets.
Q 2 - Which of the following is true about HTTP Get method?
A - The GET method sends the encoded user information appended to the page request.
B - The GET method is the defualt method to pass information from browser to web server.
Answer : C
Explaination
The GET method sends the encoded user information appended to the page request. It is the defualt method to pass information from browser to web server.
Q 3 - Which of the following code is used to get names of the attributes in servlet?
A - response.getAttributeNames()
B - request.getAttributeNames()
Answer : B
Explaination
request.getAttributeNames() returns an enumeration containing the names of the attributes available to this request.
Q 4 - Which of the following code retrieves the character encoding used in the body of this request?
B - response.getCharacterEncoding()
Answer : C
Explaination
request.getCharacterEncoding() returns the name of the character encoding used in the body of this request.
Q 5 - Which of the following code retrieves the fully qualified name of the client making this request?
Answer : A
Explaination
request.getRemoteHost() returns the fully qualified name of the client that sent the request.
Q 6 - Which of the following code can be used to force any content in the buffer to be written to the client?
Answer : C
Explaination
response.flushBuffer() forces any content in the buffer to be written to the client.
Q 7 - Which of the following is true about filters?
Answer : C
Explaination
Servlet Filters are Java classes that can be used to intercept requests from a client before they access a resource at back end and to manipulate responses from server before they are sent back to the client.
Q 8 - Which of the following request attributes that an error-handling servlet can access to analyse the nature of error/exception?
A - javax.servlet.error.status_code
B - javax.servlet.error.exception_type
Answer : D
Explaination
All of the above request attributes can be accessed by error-handling servlet.
Q 9 - Which of the following code is used to update an attribute in a HTTP Session object in servlets?
A - session.setAttribute(name,value)
B - session.alterAttribute(name,value)
Answer : A
Explaination
session.setAttribute() binds an object to this session, using the name specified.
Q 10 - Which of the following code is used to get language code in servlets?
Answer : C
Explaination
request.getLanguage() returns the language code in lower case for this locale in ISO 639 format.
