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CCNA 2.0 Exam 640-507 Edition 3

This study guide is a selection of questions and answers similar to the one you will find on the official CCNA exam. Study and memorize the follow ing concepts, questions and answers for approximately 15 to 20 hours an you will be prepared to take the exams. We guarantee it! | CCNA Congratulations You have purchased a Troy Technologies USA Study Guide. This study guide is a selection of questions and answers similar to the ones you will find on the official CCNA exam. Study and memorize the following concepts questions and answers for approximately 15 to 20 hours and you will be prepared to take the exams. We guarantee it Remember average study time is 15 to 20 hours and then you are ready GOOD LUCK 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. Guarantee If you use this study guide correctly and still fail the exam send your official score notice and mailing address to Troy Technologies USA 8200 Pat Booker Rd. 368 San Antonio TX 78233 We will gladly refund the cost of this study guide. However you will not need this guarantee if you follow the above instructions. This material is protected by copyright law and international treaties. Unauthorized reproduction or distribution of this material or any portion thereof may result in severe civil and criminal penalties and will be prosecuted to the maximum extent possible under law. Copyright 2000 Troy Technologies USA. All Rights Reserved. http Wtroytec.com Table of Contents OSI Reference.1 OSI MODEL.1 Connection-oriented vs. Connectionless Communication.2 Connection-orientated.2 Call Setup.2 Data transfer.2 Call termination.2 Static path selection.2 Static reservation of network resources.3 Connectionless-orientated.3 Dynamic path selection.3 Dynamic bandwidth allocation.3 Data Link and Network Addressing.3 MAC Addresses.3 Data Link Addresses.4 Network Addresses.4 Why a Layered Model .4 Data Encapsulation.4 Tunneling.5 Flow Control.5 Buffering.5 Source Quench .