When building WAP applications, you have to remember that the client device will probably have a very small screen. If you are trying to design a large form, you will want to specify which form elements are kept together on one screen. The fieldset tag groups together form elements, and the microbrowser will try to keep groups on one screen. The WML Specification provides an excellent example.
The postfield element allows you to POST a field name and value submission in a URL request, without it having been visible on the posting form. The WML Specification provides an example of postfield in use.
In GSM, WAP can be run over the Short Message Service (SMS) or via Circuit Switched Data (CSD). The latter provides much greater bandwidth.
Yes! And be careful, because WAP v1.1 uses lower-case tags.
One of the layers of the WAP stack, known as WTLS, provides encryption and authentication for server-to-client security. This prevents fraudulent access to WAP transactions and opens the way for e-commerce- and intranet-type applications.
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