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The official study guide for the Cisco CCNP and CCDP(r) Remote Access exam
Coverage of all CCNP and CCDP Remote Access exam topics enables you to identify and fill your knowledge gaps before the exam date. You'll learn to:
CCNP Remote Access Exam Certification Guide is a comprehensive study tool for the CCNP/CCDP(r) Remote Access exam. This exam evaluates your ability to build a remote access network to interconnect central sites to branch offices and home office/telecommuters, control access to the central site, and maximize bandwidth utilization over the remote links. This book covers all the major topics on the Remote Access exam, enabling you to master the concepts and technologies upon which you will be tested.
Each chapter of CCNP Remote Access Exam Certification Guide focuses your study and tests your knowledge of the subjects through specially designed assessment and study features. "Do I Know This Already?" quizzes assess your knowledge and help you decide how much time you need to spend on each section within a chapter. The well-organized Foundation Topics sections detail all the exam topics you need to master. Each chapter includes a Foundation Summary section that highlights essential concepts for quick reference. Challenging chapter-ending review questions and exercises test your knowledge of the subject matter, reinforce key concepts, and provide you with the opportunity to apply what you've learned in the chapter. Finally, the companion CD-ROM's robust testing engine enables you to take practice exams that mimic the real testing environment. This customizable software lets you take a full sample exam, focus on particular topic areas, randomize answers for reusability, track your progress, and refer to electronic text to review concepts.
CCNP Remote Access Exam Certification Guide is part of a recommended learning path from Cisco Systems, Inc., that includes simulation and hands-on training from authorized Cisco Learning Partners and self-study and exam preparation guides from Cisco Press.
This companion CD-ROM contains a test bank with more than 200 practice questions.
The CCNP and CCDP tracks require the candidate to be comfortable with advance routing techniques, switching techniques, and dial-up or Remote Access Server (RAS) technology. On top of those areas, the CCNP must be able to, without a book, configure and troubleshoot a routed and switched network. In addition, the CCDP must digest a vast quantity of user requirements and prepare a scalable design that fits the customer needs and requirements.
The CCNP is a hands-on certification that requires a candidate to pass the Cisco Internetwork Troubleshooting exam, which is also called the Support exam. The emphasis in the exam is on troubleshooting the router if the configuration for it has failed. CCNP is currently one of the most sought after certifications, short of the Cisco Certified Internetworking Expert (CCIE).
The CCDP track focuses on designing scaleable networks using routing and switching technologies. The exam places heavy emphasis on the interplay between routed and routing protocols. This track has a more theoretical final exam-the Cisco Internetwork Design (CID) exam. This certification is very important to the pre-sales engineer and the design engineer who want to prepare a network on paper, but who do not want to focus on the minor details of the syntax within the router.
Because both the CCNP and CCDP certifications are the same except for the final test, it should not be suprising that a CCNP can produce a solid, scalable design and that a CCDP can configure a router. The core issue between the certifications is the focus that the candidate wants to take into the business world.
The CCNP and CCDP tracks are daunting at first glance because they both require a number of tests. To become a CCNP or CCDP, a candidate must first be a Cisco Certified Network Associate (CCNA). The CCNP and CCDP certifications require study and proficiency in the three areas of advanced routing, in switching and RAS, and a specialization in either design or troubleshooting.
Neither CCNP or CCDP certification is a "one test and I'm home" exam. Each exam for these certifications is difficult in its own right because of the depth of understanding needed for each area of concentration. The focus of this book is the preparation for and passing of the CCNP/CCDP Remote Access Exam.
Some of the information in this book overlaps with information in the routing field, and you may have seen some of this book's information while studying switching. In addition, there are other certification books that specifically focus on advanced routing and switching. You might find some overlap in those manuals also. This is to be expected-all the information taken as a whole is what produces a CCNP or CCDP
The exam is a computer-based exam that has multiple choice, fill-in-the-blank, and list-in-order style questions. The fill-in-the-blank questions are filled in using the complete syntax for the command, including dashes and the like. For the fill-in-the-blank questions, a tile button is given to list commands in alphabetical order. This is a real life saver if you can't remember if there is a dash or an "s" at the end of a command. Knowing the syntax is key, however, because the list contains some bogus commands as well as the real ones.
The exam can be taken at any Sylvan Prometric testing center (1-800-829-NETS or www.2test.com). The test has 62 randomly generated questions, and you have 90 minutes to complete it. As with most Cisco exams, you cannot mark a question and return to it. In other words, you must answer a question before moving on, even if this means guessing. Remember that a blank answer is scored as incorrect.
Most of the exam is straightforward; however, the first answer that leaps off the page can be incorrect. You must read each question and each answer completely before making a selection. If you find yourself on a question that is incomprehensible, try restating the question a different way to see if you can understand what is being asked. Very few candidates score 100 percent in all catagories-the key is to pass. Giving up just one question because of lack of diligence can mean the difference between passing and failing because there are so few questions. Four questions one way or the other can mean a change of 10-20 percent!!
Many people do not pass on the first try, but success is attainable with study. This book includes questions and scenarios that are designed to be more difficult and more in depth than most questions on the test. This was not done to show how much smarter we are, but to allow you a certain level of comfort when you have mastered the material in this book.
The CCNP and CCDP certifications are difficult to achieve, but the rewards are there, and will continue to be there, if the bar is kept where it is.
How This Book Can Help You Pass the CCNP Remote Access Exam
The primary focus of this book is not to teach material in the detail that is covered by an instructor in a five-day class with hands-on labs. Instead, we tried to capture the essence of each topic and to present questions and scenarios that push the envelope on each topic that is covered for the Remote Access test.
The audience for this book includes candidates that have successfully completed the Building Cisco Remote Access Networks (BCRAN) class and those that have a breadth of experience in this area. The show and debug commands from that class are fair game for questions within the Remote Access exam, and hands-on work is the best way to commit those to memory.
If you have not taken the BCRAN course, the quizzes and scenarios in this book should give you a good idea of how prepared you are to skip the class and test out based on your experience. On the flip side, however, you should know that although having the knowledge from just a classroom setting can be enough to pass the test, some questions assume a CCNA-level of internetworking knowledge.
Overview of Cisco Certifications
Cisco fulfills only a small portion of its orders through direct sales; most times, a Cisco reseller is involved. Cisco's main motivation behind the current certification program was to measure the skills of people working for Cisco Resellers and Certified Partners.
Cisco has not attempted to become the only source for consulting and implementation services for network deployment using Cisco products. In 1996 and 1997 Cisco embarked on a channel program in which business partners would work with smaller and midsized businesses with whom Cisco could not form a peer relationship. In effect, Cisco partners of all sizes carried the Cisco flag into these smaller companies. With so many partners involved, Cisco needed to certify the skill levels of the employees of the partner companies.
The CCIE program was Cisco's first cut at certifications. Introduced in 1994, the CCIE was designed to be one of the most respected, difficult-to-achieve certifications. To certify, a written test (also at Sylvan Prometric) had to be passed, and then a two-day hands-on lab test was administered by Cisco. The certifications were a huge commitment for the smaller resellers that dealt in the commodity-based products for small business and home use.
Cisco certified resellers and services partners by using the number of employed CCIEs as the gauge. This criterion worked well originally, partly because Cisco had only a few large partners. In fact, the partners in 1995-1997 were generally large integrators that targeted the midsized coporations with whom Cisco did not have the engineering resources to maintain a personal relationship. This was a win-win situation for both Cisco and the partners. The partners had a staff that consisted of CCIEs that could present the product and configuration with the same adroitness as the Cisco engineering staff and were close to the customer.
Cisco used the number of CCIEs on staff as a criterion in determining the partner status of another company. That status in turn dictated the discount received by the reseller when buying from Cisco. The number of resellers began to grow, however, and with Cisco's commitment to the lower-tier market and smaller-sized business, it needed to have smaller integrators that could handle that piece of the market.
The CCIE certification didn't help the smaller integrators who were satisfying the small business and home market; because of their size, the smaller integrators were not able to attain any degree of discount. Cisco, however, needed their skills to continue to capture the small business market, which was-and is-one of the largest markets in the internetworking arena today.
What was needed by Cisco was a level of certification that was less rigorous than CCIE but that would allow Cisco more granularity in judging the skills on staff at a partner company. So Cisco created several additional certifications, CCNP and CCDP included.
Two categories of certifications were developed-one to certify implementation skills and the other to certify design skills. Service companies need more implementation skills, and resellers working in a pre-sales environment needed more design skills. So the CCNA and CCNP are implementation-oriented certifications; whereas, the Cisco Certified Design Associate (CCDA) and CCDP are design-oriented certifications.
Rather than just one level of certification besides CCIE, Cisco created two additional levelsAssociate and Professional. CCNA is more basic, and CCNP is the intermediate level between CCNA and CCIE. Likewise, CCDA is more basic than CCDP.
Several certifications require other certifications as a prerequsite. For instance, CCNP certification requires CCNA first. Also, CCDP requires both CODA and CCNA certification. CCIE, however, does not require any other certification prior to the written and lab tests. This is mainly for historical reasons.
Cisco certifications have become a much needed commodity in the internetworking world as companies scramble to position themselves with the latest e-commerce, e-business, and e-life that is out there. Because Novell, Windows NT, Linux, or any other routed protocols generally need to be routed somewhere, the integrators want a piece of that business as well. Because Cisco cannot form a relationship with every new startup business, it looks for certified partners to take on that responsibility. The CCNP and CCDP certifications are truly another win-win situation for resellers, integrators, you, and Cisco...
|Goals and Methods||xxi|
|Who Should Read This Book?||xxi|
|Strategies for Exam Preparation||xxii|
|How This Book Is Organized||xxii|
|Icons Used in This Book||xxv|
|Command Syntax Conventions||xxvi|
|Chapter 1||All About the Cisco Certified Network Professional and Design Professional Certification||3|
|How This Book Can Help You Pass the CCNP Remote Access Exam||4|
|Overview of Cisco Certifications||5|
|The Remote Access Exam and the CCNP and CCDP Certifications||6|
|Exams Required for Certification||7|
|Other Cisco Certifications||8|
|What Is on the Remote Access Exam?||9|
|Topics on the Exam||9|
|Recommended Training Path for CCNP and CCDP||11|
|How to Use This Book to Pass the Exam||13|
|One Final Word of Advice||14|
|You Have Passed Other CCNP Exams and Are Preparing for the Remote Access Exam||14|
|You Have Passed the CCNA and Are Preparing for the Remote Access Exam||15|
|You Have Experience and Want to Skip the Classroom Experience and Take the Remote Access Exam||16|
|Chapter 2||Cisco Remote Connection Products||19|
|How to Best Use This Chapter||20|
|"Do I Know This Already?" Quiz||21|
|Router Selection Criteria for Remote Access Purposes||23|
|Selecting a WAN Connection Type for Remote Access Purposes||25|
|Determining the Site Requirements||26|
|Scenario 2-1 Answers||40|
|Scenario 2-2 Answers||40|
|Chapter 3||Assembling and Cabling the WAN Components||43|
|How to Best Use This Chapter||43|
|"Do I Know This Already?" Quiz||44|
|Choosing WAN Equipment||48|
|Assembling and Cabling the Equipment||54|
|Verifying the Installation||55|
|Scenario 3-1 Answers||64|
|Chapter 4||Configuring Asynchronous Connections with Modems||67|
|How to Best Use This Chapter||67|
|"Do I Know This Already?" Quiz||68|
|Modem Configuration Using Reverse Telnet||74|
|Router Line Numbering||75|
|Basic Asynchronous Configuration||78|
|Configuration of the Attached Modem||82|
|Chat Scripts to Control Modem Connections||84|
|Chapter 5||Configuring PPP and Controlling Network Access||97|
|How to Best Use This Chapter||97|
|"Do I Know This Already?" Quiz||98|
|Scenario 5-1 Answers||120|
|Scenario 5-2 Answers||121|
|Scenario 5-3 Answers||122|
|Chapter 6||Using ISDN and DDR Technologies||125|
|How to Best Use This Chapter||125|
|"Do I Know This Already?" Quiz||126|
|POTS Versus ISDN||130|
|BRI and PRI Basics||131|
|Basic Rate Interface||131|
|Implementing Basic DDR||141|
|Advanced DDR Operations||157|
|Primary Rate Interface||166|
|Scenario 6-1 Answers||187|
|Scenario 6-2 Answers||188|
|Scenario 6-3 Answers||189|
|Scenario 6-4 Answers||190|
|Chapter 7||Configuring a Cisco 700 Series Router||193|
|How to Best Use This Chapter||193|
|"Do I Know This Already?" Quiz||194|
|Cisco 700 Series Router Key Features and Functions||197|
|Cisco 700 Series Router Profiles||198|
|Configuring the Cisco 700 Series Router for IP Routing||200|
|Routing with the Cisco 700 Series Router||205|
|Using the Cisco 700 Series Router as a DHCP Server and Relay Agent||208|
|Scenario 7-1 Answers||218|
|Chapter 8||Establishing an X.25 Connection||221|
|How to Best Use This Chapter||221|
|"Do I Know This Already?" Quiz||222|
|X.25 Layered Model||229|
|Scenario 8-1: X.25 Initial Configuration||245|
|Scenario 8-2: X.25 Options||246|
|Scenario 8-1 Answers||247|
|Scenario 8-2 Answers||248|
|Chapter 9||Frame Relay Connection Controlling Traffic Flow||251|
|How to Best Use This Chapter||251|
|"Do I Know This Already?" Quiz||252|
|Understanding Frame Relay||257|
|Frame Relay Topologies||259|
|Frame Relay Configuration||263|
|Frame Relay Traffic Shaping||270|
|Frame Relay Traffic Shaping Configuration||272|
|Scenario 9-1 Answers||286|
|Scenario 9-2 Answers||287|
|Scenario 9-3 Answers||287|
|Chapter 10||Managing Network Performance with Queuing and Compression||291|
|How to Best Use This Chapter||291|
|"Do I Know This Already?" Quiz||292|
|Scenario 10-1 Answers||327|
|Scenario 10-2 Answers||327|
|Scenario 10-3 Answers||328|
|Scenario 10-4 Answers||329|
|Chapter 11||Scaling IP Addresses with NAT||331|
|How to Best Use This Chapter||331|
|"Do I Know This Already?" Quiz||332|
|Characteristics of NAT||336|
|Simple NAT Translation||338|
|TCP Load Distribution||340|
|Verification of NAT Translation||350|
|Port Address Translation||352|
|Scenario 11-1 Answers||363|
|Scenario 11-2 Answers||364|
|Scenario 11-3 Answers||364|
|Chapter 12||Using AAA to Scale Access Control in an Expanding Network||367|
|How to Best Use This Chapter||367|
|"Do I Know This Already?" Quiz||368|
|Scenario 12-1 Answers||394|
|Appendix A||Answers to the "Do I Know This Already?" Quizzes and Q&A Sections||397|