Web Services Development MCQs with Answers
Practice important Web Services Development MCQs with answers and explanations.
Chapter: 13
Q341:
What method is used to send a request to a server using the XMLHttpRequest object?
A. sendRequest()
B. sendData()
C. xhttp.send()
D. send()
Correct Answer:
C
Chapter: 13
Q342:
Fill in the blank: The _____ element in XML DOM can have multiple children.
A. Document
B. Text
C. Element
D. Attribute
Correct Answer:
C
Chapter: 13
Q343:
What does the readyState value '4' signify in an XMLHttpRequest?
A. Request not initialized
B. Request received
C. Request finished and response ready
D. Server connection established
Correct Answer:
C
Chapter: 13
Q344:
Fill in the blank: The _______ event is triggered whenever the readyState of an XMLHttpRequest changes.
A. stateChanged
B. readyStateChanged
C. onreadystatechange
D. readyChanged
Correct Answer:
C
Chapter: 13
Q345:
What is a major advantage of using XMLHttpRequest in modern web development?
A. Only works with static data
B. Can update a web page without reloading
C. Cannot handle server requests
D. Works only with HTML files
Correct Answer:
B
Chapter: 13
Q346:
What does the readyState property represent in XMLHttpRequest?
A. Server connection
B. Request received
C. Status of the request
D. File location
Correct Answer:
C
Chapter: 13
Q347:
Which HTTP status code represents "OK"?
A. 200
B. 301
C. 404
D. 500
Correct Answer:
A
Chapter: 13
Q348:
What is the primary difference between GET and POST requests?
A. POST is faster
B. GET is used for sending large data
C. GET is simpler and faster
D. POST is limited by size
Correct Answer:
C
Chapter: 13
Q349:
What property is used to return the response as a text string in XMLHttpRequest?
A. responseText
B. responseXML
C. getResponse
D. responseString
Correct Answer:
A
Chapter: 13
Q350:
To send a request asynchronously, which parameter is set to true in the open() method?
A. async
B. asyncRequest
C. response
D. sync
Correct Answer:
A
Chapter: 13
Q351:
What is the correct syntax to create a new XMLHttpRequest object?
A. var xhttp = new XMLHttpRequest();
B. xhttp.createXML();
C. xhttp.XMLHttpRequest();
D. newRequest();
Correct Answer:
A
Chapter: 13
Q352:
Which nodeType value corresponds to an element node?
A. 2
B. 1
C. 3
D. 9
Correct Answer:
B
Chapter: 13
Q353:
Which method is used to return all elements with a specified tag name in an XML document?
A. getElementById
B. getAttribute
C. getElementsByTagName
D. getNodeByName
Correct Answer:
C
Chapter: 13
Q354:
How can you access the third <title> element in an XML document?
A. x = xmlDoc.getElementsByTagName("title")[2];
B. x = xmlDoc.getElementsByTagName("title")[3];
C. x = xmlDoc.getTitleElement();
D. x = getElementsByNodeName("title",2);
Correct Answer:
A
Chapter: 13
Q355:
What does the nodeValue property of a text node return?
A. Node name
B. Attribute name
C. Text itself
D. XML document
Correct Answer:
C
Chapter: 13
Q356:
In the DOM, what is the nodeName of the document node?
A. #document
B. root
C. xml
D. #root
Correct Answer:
A
Chapter: 13
Q357:
What does the method send() do in XMLHttpRequest?
A. Receive data
B. Sends a request to the server
C. Send a file to the server
D. Load XML document
Correct Answer:
B
Chapter: 13
Q358:
What does the nodeType property represent for a comment node?
A. 1
B. 2
C. 8
D. 9
Correct Answer:
C
Chapter: 13
Q359:
In which case should POST be used over GET?
A. When the file is cached
B. When sending small data
C. When sending user input
D. When file is read-only
Correct Answer:
C
Chapter: 13
Q360:
Which method creates a new XMLHttpRequest object?
A. xmlhttp.create()
B. new XMLObject()
C. new XMLHttpRequest()
D. xml.openRequest()
Correct Answer:
C