Which client-side technique can be disabled by the end-user?
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Cookies
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Query string
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View state
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Both a and b.
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All of the above.
To solve this question, the user needs to be familiar with client-side web development techniques.
The correct answer is option A, which is cookies.
Explanation:
Cookies are small text files that are stored on the user's computer by a website. They are used to store user preferences, login information, and other relevant data. Since cookies are stored on the user's computer, they can be easily disabled by the end-user. Users can disable cookies in their browser settings or use a browser extension to block them.
Option B, query strings, cannot be disabled by the end-user. Query strings are a part of the URL, and they are used to pass data between a web server and a client. They are not stored on the user's computer, so they cannot be disabled by the end-user.
Option C, view state, is a technique used in ASP.NET web development to store state information on the client-side. View state is not a client-side technique that can be disabled by the end-user. It is generated by the server and sent to the client as a hidden field in an HTML form.
Option D, both A and B, is incorrect because query strings cannot be disabled by the end-user.
Option E, all of the above, is incorrect because view state cannot be disabled by the end-user.
Therefore, the correct answer is:
The Answer is: A. Cookies
Cookies are stored and processed on the client side, so a user can disable or delete them through browser settings, blocking a site from using them at all. A query string is just part of the URL the server reads — the user can't selectively "turn it off" without breaking the link itself. View state is a hidden form field generated by the server; the user has no browser setting to disable it.