I have been working in this position for some time. Enough working experience has been accumulated. And there will be a promotion for me this year. What I need to prepare for my promotion is to get a Cisco test certification.Many people told me that the 642-873 exam is not very difficult. But things seem to be developing in the opposite way.
I prepared the 642-873 exam all by the books. Numerous knowledge objectives puzzled me a lot; that I even have no idea about which one is right and which wrong.
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