Explanation: Point-to-Point Protocol (PPP) provides router-to-router and host-network connections over synchronous and asynchronous circuits. PPP was designed to work with several network layer protocols, including IP and IPX. It also has built in security features such PAP (Password Authentication Protocol) and CHAP (Challenged Handshake Authentication Protocol). | - Exam 640-607 Title Cisco Certified Network Associate Version Number Version 1-2003 Last Verified and Updated on Jan 4 2003 Fast Way to get your Certification Real Level Practice Questions Guides Important Note Please Read Carefully This Study Guide has been carefully written and compiled by correctexams experts. It is designed to help you learn the concepts behind the questions rather than be a strict memorization tool. Repeated readings will increase your comprehension. We continually add to and update our Study Guides with new questions so check that you have the latest version of this Guide right before you take your exam. For security purposes each PDF file is encrypted with a unique serial number associated with your correct Exams account information. In accordance with International Copyright Law correctexams reserves the right to take legal action against you should we find copies of this PDF file has been distributed to other parties. Please tell us what you think of this Study Guide. We appreciate both positive and critical comments as your feedback helps us improve future versions. We thank you for buying our Study Guides and look forward to supplying you with all your Certification training needs. Good studying correctexams Technical and Support Team Fast Way to get your Certification Note for the simulation questions 13 79 195 203 331 If you are unsure of the testing environment try the following address http warp public 10 wwtraining certprog testing simulation QUESTION NO 1 You can configure PPP on which of the following types of physical interfaces Choose two A. Ethernet B. Token Ring C. Synchronous Serial D. Asynchronous Serial Answers C D. Explanation Point-to-Point Protocol PPP provides router-to-router and host-network connections over synchronous and asynchronous circuits. PPP was designed to work with several network layer protocols including IP and IPX. .