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The rapid development of the network makes the demand for network engineers unprecedented rate increase; identifying the computer network engineers of education and examination are also increased. So, what these Cisco Certification Exams are at present? How to attend the Cisco Certification Exams?

Everyone who once participated in the Computer Class International Certification Tests, probably have heard the Prometric Examination Company. Prometric is the global leading provider of computerized testing and assessment services, which has over 4000 authorized prometric test centers (APTC) in the world, being responsible for providing IT industry certification exams. This firm has built up many ATPC in the big cities of different countries all around the world to provide the certification tests in the IT industry. They can offer to the candidates certification tests of the world-renowned IT companies, including Microsoft, Oracle, Cisco, Sun HP, Linux, Adobe, IBM/Lotus, Intel, Lucent, SCO, Novell, Compaq and so on.

Cisco certification is undertaken in the online circumstance Cisco puts its test item pool into Prometric Test Corporation's system, and then lets the system produce different questions for registered examinees. The speed of updating the existing knowledge is fast, therefore the examination item pool of Cisco also updates with its produces updating.

Set CCNA as an example, the test form is divided into standardized tests and adaptive test. The latter is new test technology that make computer no longer be pure information receiver in tests. It also has a certain degree of intelligence, ie it can decide the difficulty of the next question by real-time analysing of the examinee's current result, judging the examinee's knowledge scope and how much he has grasped. In Cisco 640-553 test, there comes a medium difficult question at first. If correct answer is given, next question will be more difficult. But if wrong, next question will be easier. No permission to check prior questions. This test largely avoids learning everything by rote and prevents examination questions outside; it is really to test the degree of candidates understanding of the concept, and now more and more certification exams are using this test form.

The IT certification exams at present are mainly choice questions(single,multiple and infinitives choice questions), scene, drag and experiment questions, also 640-553 is no exception. It will instantly show Pass or no pass on the computer screen after examination, then printing out the transcripts, the assessment value about the various skills of the candidates listed above, it can let you know what is your advantage and disadvantage for you to make up.