ajax

Interview Questions and Answers

Ajax

Question:
What is the difference between proxied and proxyless calls in AJAX?
Answer:

Proxied calls are made through stub objects which can be called from PHP classes on the JavaScript side in AJAX. Proxyless calls are made using utility JavaScript functions like HTML_AJAX.replace() and HTML_AJAX.append() in AJAX.

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Ajax - Questions
1. What is AJAX Framework?
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2. Define the role of the Update Panel?
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3. What are the goals of Ajax?
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4. What are the difference between AJAX and Javascript?
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5. What are all the security issues of Ajax?
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6. What are all the controls of Ajax?
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7. What is the name of the DLL that contains Ajax control tool kit?
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8. What is update panel?
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9. Where AJAX cannot be used?
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10. What is Script Manager?
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11. How can we handle exception handling in Ajax?
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12. What are the controls of the Script Management group?
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13. What are all the technologies used by Ajax?
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14. What are all the features of Ajax?
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15. What are the components of the ASP.NET AJAX architecture?
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16. Is javascript knowledge is required to do Ajax?
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17. What are all the browsers support AJAX?
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18. Is Ajax said to be a technology platform or is it an architectural style?
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19. How can we cancel the XMLHttpRequest in AJAX?
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20. Is AJAX code cross browser compatible?
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21. How can we handle concurrent requests?
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22. What are all the different data types that JSON supports?
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23. What is JSON in Ajax?
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24. What is AJAX Control Extender Toolkit?
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25. How can you test the Ajax code?
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26. How can AJAX applications be debugged?
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27. What is the name of object used for AJAX request?
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28. What is prerequisite for Update Panel in Ajax?
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29. How Ajax objects can be created?
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30. Can we use nested update panel in Ajax?
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31. What are the components of the ASP.NET Ajax Client Library?
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32. What is the difference between proxied and proxyless calls in AJAX?
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33. What are the limitations of Ajax?
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34. What role of #&& in querystring?
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35. How to control the duration of an Ajax request?
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36. What are the advantages of Ajax?
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37. Which request is better, Get or Post?
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38. Which are the two methods used for cross domain Ajax calls?
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39. How many types of triggers are present in update panel?
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40. What are the pre-requisites to execute AJAX applications on a server?
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41. How many update panel can be used per page?
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42. How many types of ready states in Ajax?
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43. What is the difference between RegisterClientScriptBlock, RegisterClientScriptInclude and RegisterClientScriptResource?
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44. What is Ajax?
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45. What are the types of post back in Ajax?
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46. What are the extender controls?
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47. How can you find out that an AJAX request has been completed?
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48. What are Ajax applications?
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49. What are the disadvantages of Ajax?
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