Q. How does applet and servlet communicate?

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Q. In CGI, process starts with each request and will initiate OS level process.

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Q. Which class provides system independent server side implementation?

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Q. What happens if ServerSocket is not able to listen on the specified port?

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Q. What does bind() method of ServerSocket offer?

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Q. Which of the below are common network protocols?

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Q. Which class represents an Internet Protocol address?

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Q. What does local IP address start with?

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Q. What happens if IP Address of host cannot be determined?

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Q. What is the java method for ping?

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Q. How constructor can be used for a servlet?

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Q. Can servlet class declare constructor with ServletConfig object as an argument?

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Q. What is the difference between servlets and applets?

i.Servlets execute on Server; Applets execute on browser

ii.Servlets have no GUI; Applet has GUI

iii.Servlets creates static web pages; Applets creates dynamic web pages

iv.Servlets can handle only a single request; Applet can handle multiple requests

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Q. Which of the following code is used to get an attribute in a HTTP Session object in servlets?

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Q. Which method is used to get three-letter abbreviation for locale’s country in servlets?

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Q. Which of the following code retrieves the body of the request as binary data?

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Q. When destroy() method of a filter is called?

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Q. Which of the following is true about servlets?

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Q. How is the dynamic interception of requests and responses to transform the information done?

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Q. Which are the session tracking techniques?

i. URL rewriting

ii. Using session object

iii.Using response object

iv. Using hidden fields

v. Using cookies

vi. Using servlet object

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