Cert21.com Description:
Cert21.com website was started on May 2000 as an Examnotes.net spin off with only 5 practice exams and a simple JavaScript based testing engine. Since then, our testing engine has been redesigned 4 times, first moving to PERL script, then PERL script with mySQL database back end, and finally to PHP/mySQL combination. Cert21.com currently offers over 90 online practice exams. Currently our practice exams support single, multiple, fill-in blank non-case sensitive and case-sensitive fill-in blanks types of questions. We are working on introducing new interactive types of questions.Our practice questions are written by certified IT professionals. Several of our writers are also certified instructors.
The site is hosted on a powerful DUAL P4 CPU, DUAL SCSI HD server, powered by Linux/Apache server with mySQL database.
Our website uses php caching technology and HTTP output compression to dramatically increase the load speed of our pages. With output compression, which is enabled by default by most modern browsers, our pages are only 1/4 size of original uncompressed pages, making exam pages load fast even over the dial-up connection.
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