Wednesday, August 10, 2011

ASP.NET interview questions: - What are the benefits and limitations of using Cookies?

A simple but most frequently asked ASP.NET interview question.

Following are benefits of using cookies for state management:-

• No server resources are required as they are stored in client.

• They are light weight and simple to use

Following are limitation of using cookies:-

• Most browsers place a 4096-byte limit on the size of a cookie, although
support for 8192-byte cookies is becoming more common in the new browser and
client-device versions available today.

• Some users disable their browser or client device’s ability to receive
cookies, thereby limiting the use of cookies.

• Cookies can be tampered and thus creating a security hole.

• Cookies can expire thus leading to inconsistency.

Below is sample code of implementing cookies

Request.Cookies.Add(New HttpCookie (“name”, “user1”))

See the following MEF (Managed Extensible Framework) & it’s practically implemented video: -

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