What is the difference between UNION and UNION ALL ?

Union returns distinct values,unionall returns all values.

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What is WAS Tool?

Web Application Stress ( WAS ) tool, simulates multiple HTTP clients making requests to your Web site, while ASP.NET includes a number of performance counters that you can use to track the execution of your application.

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Daily Tips- Tip #58 - Better Global.asax

create a custom base class for the Global.asax file. This base class inherits from the HttpApplication class, just like the default Global class that sits behind the Global.asax file. The custom base class provides the same members as the default Global.asax file, but even better, you can extend the class with additional members, such as custom properties for tracking counters.

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Name any popular IP Redirector?

Cisco’s LocalDirector or F5 Network’s BIGIP.

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Will ACT provide HTTP Errors Count?

Yes.

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