tailieunhanh - HOW2PASS CCNA STUDY GUIDE

This study guide is a selection of topics, you will find questions from, on the official CCNA exam. Study and memorize the concepts presented here, then take our online tests. When you achieve 100% score in all the tests, you will be well prepared to take the official exam. | HOW2PASS CCNA STUDY GUIDE EXAM 640-607 Edition Last edited May 23 2K 3 Copyrights 2003 - http This study guide is a selection of topics you will find questions from on the official CCNA exam. Study and memorize the concepts presented here then take our online tests. When you achieve 100 score in all the tests you will be well prepared to take the official exam. DISCLAIMER This study guide and or material is not sponsored by endorsed by or affiliated with Cisco Systems Inc. Cisco Cisco Systems CCDA CCNA CCDP CCNP CCIE CCSI the Cisco Systems logo and the CCIE logo are trademarks or registered trademarks of Cisco Systems Inc. in the United States and certain other countries. All other trademarks are trademarks of their respective owners. http www . how2pass . com Table of Contents OSI Layered OSI MODEL Keypoints .6 Data Link and Network MAC Data Link Network Keypoints .7 Why a Layered Model .7 Data Keypoints .8 Keypoints .8 Local Area Networks LANs .9 Full-Duplex Keypoints .9 Fast Fast Ethernet Keypoints .10 LAN Repeaters Keypoints .11 Switching Switching Store-and-Forward Cut-Through Modified Frame Spanning Tree Virtual Keypoints .13 Cabling Straight-Through When we use Straight-Through Roll-Over When we use Roll-Over Cross-Over When we use Cross-Over Keypoints .16 Connection-oriented vs. Connectionless Call Data Call Static path Static reservation of network Keypoints .17 http Dynamic path Dynamic bandwidth .