You cannot get a more prestigious and highly esteemed certification in the global IT networking industry than the Cisco CCIE. When you become Cisco CCIE or Cisco Certified Internetwork Expert, you are recognized as an expert networking engineer with advanced level knowledge of the field, while at the same time specializing in various Cisco networking solutions and products, and possessing the necessary skills to work with them. Like many other Cisco certifications, it has worldwide acceptance, so no matter where you live and work in the world, you could find this certification useful for you.