When using JavaScript with Mobile Web Applications, which of the following represents best practice?

What will happen if the action attribute value of Service Loading is set to cache, and the cache does not exist?

With regard to Mobile Web Applications, which types of files do/does not benefit from transfer compression, and has/have a negative net impact instead?

What is a Mobile widget?

Which is/are required in the Service Indication content type?

What will happen if a widget is running and an incoming call is being received on the same device?

Which content type enable a URL address to be sent to a device?

What is the advantage of aggregating static images (sprites) into a single composite resource?

Best method to specify a URL for href, as recommended by the Best Practices Working Group for Mobile Web Applications?

Which element is/are available in XHTML Mobile Profile but not in XHTML basic?

Which image extension should be used when creating mobile applications?