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31 Days Before Your CCNA Routing and Switching Exam: A Day-By-Day Review Guide for the ICND2 (200-101) Certification Exam, Third Edition by Allan Johnson

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Day 9. WAN Technology Overview

CCNA 200-101 ICND2 Exam Topics

Image Identify different WAN technologies

Key Topics

WAN services are always a consideration in today’s networks. Except for situations that require absolutely no remote access (such as workstations that need to be protected from outside access), every device needs some type of WAN service to reach remote destinations and the Internet. Today’s review provides an overview of WAN technologies. Tomorrow’s review covers WAN connection options, virtual private networks (VPNs), and generic routing encapsulation (GRE).

WAN Technology Concepts

WAN access standards typically describe both physical ...

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