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Here's how Certification Zone helps you to prepare for and pass the Cisco® CCNA™, and CCIE™ certification exams.
(For CCNP™ and CCVP™ exam assistance, visit our Tutorials page.)
What's New

Routing Principles ZoneCast
With the release of two new presentations, the audio presentation series on Routing Principles at the CCIE level is now complete. The first new presentation (Part II) covers packet forwarding and that is followed by an audio quiz on the topic. Previously released was an audio presentation on path determination (Part I).

Gateway/Gatekeeper Study Guides
The addition of a Study Quiz and a Lab Scenario completes the Gateway/Gatekeeper Configuration, Part 2 Study Guide. This second GWGK Study Guide focuses on Gatekeepers. The Part 1 GWGK Study Guide focuses on Gateways. When you're done with these two Study Guides you'll be able to design, configure, and deploy the Gateways and Gatekeepers required to meet specific VoIP requirements, and you'll have covered the topics on the CCVP Gateway Gatekeeper Exam no. 642-452.

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Concise, expert written overviews of CCIE, CCNP, CCVP, and CCNA blueprint topics you must master to pass Cisco's exams.
Study Quizzes
Sets of challenging CCIE, CCNP, CCVP, and CCNA certification
exam study questions sorted by certification level and exam topic.
Lab Scenarios
Router applications that help you prepare for the router simulation questions on Cisco's CCIE, CCNP, CCVP, and CCNA exams.
Practice Exams
Full-length practice tests that cover all the topics included on Cisco's CCIE, CCNP, and CCNA exam blueprints.
Personal Study Zone
Create your own personal CCIE or CCNA Study Plan, and try Certification Zone for free!
Downloadable audio lessons that address topics you must master to become Cisco certified.

Today's Focus:

WAN Protocols

This Study Guide addresses the characteristics of a Wide Area Network (WAN), and differentiates it from a Local Area Network (LAN). These characteristics include: The geographic area occupied by the network; The scope of control and management of the network; The transmission methods and media used to build the network; The type of traffic that crosses the network.
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