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Assessment testing to focus and direct your studies
In-depth coverage of official exam objectives
Hundreds of challenging practice questions, in the book and on the CD
Sample simulation questions
Authoritative coverage of all exam topics, including:
Working with asynchronous connections
Using the Point-to-Point Protocol
Using Microsoft Windows 95/98
Setting up ISDN and dial-on-demand routing
Working with the Cisco 700 Series
Understanding X.25 and remote access issues
Working with Frame Relay
Using a backup link as a permanent connection
Understanding queuing and compression
Using NAT (Network Address Translation)
Setting up AAA
Featured on the CD
The enclosed CD is packed with vital preparation tools and materials, beginning with the Sybex EdgeTest testing engine for Cisco's new Remote Access exam, 640-605. Loaded with hundreds of practice questions, including sample simulation questions, it lets you test yourself chapter by chapter or according to objective groups. You'll also find electronic flashcards for your PCs, Pocket PCs, and Palm handhelds, along with two practice exams that will help you prepare for the test. A fully searchable electronic copy of the book is also included.
About the Author
Robert Padjen, CCNP, CCNP Security, CCDP, is Director of Technology Solutions for a large financial institution. He is recognized as an expert witness in computer networking and intellectual property litigation, and is on the Cisco Technical Advisory Board. Todd Lammle, CCNP, has over 20 years of experience working with various LAN and WANs, and has been working on Cisco router networks since 1986. He is CEO and Chief Scientist of RouterSim, LLC and President of GlobalNet Training, Inc. Wade Edwards, CCIE #7009, has over 13 years of networking experience and has been actively involved in the computer industry for over 22 years.
Exam 640-505. Prepare for the exam with focused review questions and labs. Illustrates the full range of Cisco remote access solutions. Covers the latest version of the Remote Access Exam.
This chapter will focus on the configuration and support issues that surround this popular client software. Particular attention should be paid to the protocols that are supported and the configuration steps that are required on the client.
Automatic connection to Web sites Once configured, the operating system will automatically establish a dial-up connection in order to connect with a remote Web server. If a user simply types a URL into Internet Explorer, the modem will dial the Internet Service Provider (ISP) and request the Web page.
E-mail Mobile clients can connect with Microsoft Exchange or another e-mail service in the office. This provides an efficient way to communicate with colleagues.
File synchronization Remote users can obtain file updates and post their files on a server in the office for local users. Although Microsoft provides Configuring Dial-Up Networking with Windows 95/98 141 the Briefcase application for this purpose, Symantec’s pcAnywhere and other such programs may be desired by more demanding users.
Remote control One alternative to high-bandwidth applications is remote control. Remote control software does exactly what it sounds like it does—keystrokes and mouse movements are sent to the host, and the host returns the image back to the remote user, allowing them to control the host. This solution allows only the screen images to be transferred, which can greatly reduce the required bandwidth for supporting the application.
Consider the following: a remote user on a dial-up connection needs to access a database that will result in 10 megabytes of data being transferred. With remote control, only the screen data will be sent for the session— with compression, this means that possibly less than 2 megabytes of data will be sent. Clearly, this bandwidth savings can be substantial. Note that remote control solutions must be connected to access data— unlike remote node solutions (where the modem acts as a slower network link), which use the remote user’s local applications and data. Also, the bandwidth savings variance can differ significantly depending on the data demands of the application; in this context, remote control utilizes remote node solutions for transport, but the connection must be maintained for the duration of the remote control session.
Effectively, anything that a user can accomplish in the office is possible with dial-up networking. Unfortunately, the significantly lower bandwidth can make this impractical, depending on the application.
As you will see in this chapter, configuring and administrating a single Win-dows workstation for dial-up networking is very simple. Unfortunately, it is not as simple when you have to administer dial-up networking for thousands of remote users, and there are few existing tools that make this task easier.
Microsoft Windows 95 and 98 support remote dial-up networking with the protocols that provide transport for NetBIOS:
See Chapter 3 for more information about the PPP protocol.
By default, the Windows 95/98 installation will include the basic files for installing and configuring a network connection. It is always a good idea, though, to have the original installation CD-ROM available since the setup program may need additional files to complete the installation. In addition, the latest service packs and updates should be installed—service packs contain many updates and problem fixes called patches. In general, the installation of patches is a benign event; however, before performing the upgrade, it is best to backup critical files and review the appropriateness of the patch. For multiple node upgrades, it is best to test the patch before you deploy it.
Check the Windows Web site at www.microsoft.com for the latest patches, service packs, and tips for configuring dial-up networking.
The screen captures in this chapter, unless otherwise noted, are from Windows 98 Second Edition. While the screens will look similar, other versions of Windows may differ slightly.
FIGURE 4.1 The Windows dial-up networking dialog box...
...On the system shown here, this is the first dial-up connection, so Windows provides only a Make New Connection icon. This brings up the Dial-Up Networking wizard. If there were other connections available, the user or administrator could select them to initiate a call or to go into an already established connection in order to reconfigure options.
FIGURE 4.2 Making a new connection...
...In this dialog box, you will select a name for the connection and set the type of modem that you will be using for the connection. If Windows did not detect and install a modem in the Select a Device box, you will need to correct this before continuing.
For instructions on installing a modem in Windows, please refer to the product documentation.
Note that in Figure 4.2, the Lucent Win Modem has been automatically selected, and the user has been prompted to provide a name for the connection....
|Ch. 1||Cosco Solutions for Remote Access||1|
|Ch. 2||Asynchronous Connections||57|
|Ch. 3||Point-to-Point Protocol||89|
|Ch. 4||Using Microsoft Windows 95/98||141|
|Ch. 5||Integrated Services Digital Network (ISDN)||171|
|Ch. 6||X.25 and LAPB||243|
|Ch. 7||Frame Relay||285|
|Ch. 8||Queuing and Compression||329|
|Ch. 9||Network Address Translation (NAT) and Port Address Translation (PAT)||369|
|Ch. 10||Centralized Security in Remote Access Networks||411|
|A: Commands in This Study Guide||445|
|C: Commands in This Study Guide||469|
Posted December 8, 2000
This is not that great a book if you want to learn from the beginning. Robert Padjen did not provide enough explaination on a lot of the terms used in the book. Readers can tell that author was writing this book in a rush to make money. Surprisingly large amount of errors were presented in various area throughout the study guide. Author use cut & paste to duplicate text to generate that 600 pages. It is poorly organized, written, and can confuse reader on the idea of remote access. This book did not provide enough knowledge to pass the exam. I strongly recommand books from Coriolis. www.bn.com is a great source to obtain Coriolis books. I love the accurate and fast service that www.bn.com provide.Was this review helpful? Yes NoThank you for your feedback. Report this reviewThank you, this review has been flagged.