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MCQs

Total Questions : 67 | Page 1 of 7 pages
Question 1. Which of the following is a stateless protocol?
  1.    HTML
  2.    XHTML
  3.    HTTP
  4.    All of the mentioned
 Discuss Question
Answer: Option C. -> HTTP
Question 2. What does the value 2 of the WebSocket attribute Socket.readyState indicate?
  1.    Closed connection
  2.    Handshake connection
  3.    Unestablished connection
  4.    Established connection and communication is possible
 Discuss Question
Answer: Option B. -> Handshake connection
Question 3. How many WebSocket events are available?
  1.    2
  2.    3
  3.    4
  4.    5
 Discuss Question
Answer: Option C. -> 4
Question 4. Which method is used to close the WebSocket?
  1.    Socket.flush()
  2.    Socket.close()
  3.    Socket.Close()
  4.    Socket.dispose()
 Discuss Question
Answer: Option B. -> Socket.close()
Question 5. How does the client and the server communicate following the rules defined by the WebSocket protocol?
  1.    Long-lived TCP Socket
  2.    Short-lived TCP Socket
  3.    UDP Socket
  4.    HTTP Socket
 Discuss Question
Answer: Option A. -> Long-lived TCP Socket
Question 6. Which of the following are not a socket property?
  1.    onopen
  2.    readyState
  3.    onmessage
  4.    ready
 Discuss Question
Answer: Option D. -> ready
Question 7. How can we check the subprotocol being used by the client?
  1.    subprotocol property
  2.    protocol property
  3.    clientprotocol property
  4.    none of the mentioned
 Discuss Question
Answer: Option B. -> protocol property
Question 8. How will you transmit data using the connection?
  1.    send(data)
  2.    Socket.send(“data”)
  3.    Socket.send(data)
  4.    Socket(data)
 Discuss Question
Answer: Option C. -> Socket.send(data)
Question 9. Which of the following is not a WebSocket event?
  1.    open
  2.    close
  3.    error
  4.    deny
 Discuss Question
Answer: Option D. -> deny
Question 10. What does an History object contain?
  1.    URL
  2.    Parameters
  3.    Attribute values
  4.    Property
 Discuss Question
Answer: Option A. -> URL

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