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Ccie Routing And Switching Certification Guide
CCIE Routing and Switching Certification Guide, Fourth Edition, is a best-of-breed ccie routing and switching lab study guide that focuses specifically on the objectives for the CCIE Routing and Switching written exam.
Well-respected networking professionals Wendell Odom, Rus Healy, and Denise Donohue share preparation hints and test-taking tips, helping you identify areas
of weakness and improve both your conceptual knowledge and hands-on skills. Material is presented in a concise manner, focusing on increasing your
understanding and retention of exam topics.
CCIE Routing and Switching Certification Guide, Fourth Edition, presents you with an organized test preparation routine through the use of proven series
elements and techniques. Do I Know This Already? quizzes open each chapter and allow you to decide how much time you need to spend on each section. Exam
topic lists make referencing easy. Chapter-ending Exam Preparation Tasks sections help drill you on key concepts you must know ...
... thoroughly.
I think I've come across more misleading information in the "31 days before your CCENT Exame" book but as I'm paranoid, I HAVE to be sure...
The book excerpt reads:
ARP is an IP protocol that finds a destination MAC when only the destination IP is known. The sending host broadcasts a frame with the IP address. Each host
on the network looks for a match with its IP, and the matching host responds with the proper MAC address. If the IP is from another network, the router
typically responds with the ccie service provider MAC address.
The portion highlight in red is completely incorrect right? It's been my understanding that before even trying to send an ARP requests, a sending host checks
the remote IP address against it's own IP and subnet mask to determine if the remote IP is on the same network. If the remote IP is on a seperate network, it
doesn't bother sending an ARP packet at all because it wouldn't do any good and ARPs for the MAC address of the default gateway instead (or just sends to the
default gateway MAC if it already knows it.
CCIE holders believe it is critical that networking professionals stay ahead of the increasing number of internal and external security breaches that
jeopardize today's networks. Over the next three to five years, security and risk management will be the networking skills in greatest demand, according to
64 percent of the survey participants. One out of three expects network and information security breaches to remain a top concern of CIOs over the next
href="http://www.cathayschool.com/ccie-voice-1-on-1-classes.html">ccie voice lab bootcampfive years.
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