MCSE STUDY GUIDE_ Proxy Server 2.0 Exam 70-88

A Proxy Server has one network card for the private internal network and it has another network adapterwith which to connect to the Internet. This adapter may be another network card or it may be an ISDNadapter. The Proxy Server is the only computer in the network attached to both internal and externalnetworks.
Nội dung trích xuất từ tài liệu:
MCSE STUDY GUIDE_ Proxy Server 2.0 Exam 70-88Troy Technologies USA MCSE STUDY GUIDE Proxy Server 2.0 Exam 70-88 Congratulations!!You have purchased one of the Troy Technologies USA MCSE StudyGuides.This study guide consists of a selection of questions and answers very, verysimilar to the ones you will find on the official MCSE exam. All you need todo is study and memorize the following questions and answers.....and youwill be ready to take the exam. Remember, we guarantee it!Average study time is 10 to 12 hours. Then you are ready.GOOD LUCK! GuaranteeShould you use this study guide and still fail the appropriate MCSE exam,then send your original of the official score notice, along with your mailingaddress to: Troy Technologies USA 11134 Hunter Oaks San Antonio, TX 78233We will gladly refund the full cost of this study guide. However, you are notgoing to need this guarantee if you follow the above instructions. Ó Copyright 1998 Troy Technologies USA. All Rights Reserved.Further Suggested Reading for Microsoft Certified System Engineer • Exam Cram, MCSE Windows 2000 Network: Exam 70-216 (Exam Cram) by Hank Carbeck, et al. Paperback (September 28, 2000) • MCSE Windows 2000 Accelerated Study Guide (Exam 70-240) (Book/CD-ROM package) by Tom Shinder (Editor), et al. Hardcover (October 6, 2000) • MCSE 2000 JumpStart: Computer and Network Basics by Lisa Donald, et al. Paperback (April 2000) • MCSE: Windows 2000 Network Infrastructure Administration Exam Notes by John William Jenkins, et al. Paperback (September 19, 2000) • Public Key Infrastructure Essentials: A Wiley Tech Brief - Tom Austin, et al; Paperback • Planning for PKI: Best Practices Guide for Deploying Public Key Infrastructure - Russ Housley, Tim Polk; Hardcover • Digital Certificates: Applied Internet Security - Jalal Feghhi, et al; Paperback • Ipsec: The New Security Standard for the Internet, Intranets, and Virtual Private Networks - Naganand Doraswamy, Dan Harkins; Hardcover • A Technical Guide to Ipsec Virtual Private Networks - Jim S. Tiller, James S. Tiller; Hardcover • Big Book of IPsec RFCs: Internet Security Architecture - Pete Loshin (Compiler); Paperback • MCSE Windows 2000 Core 4 for Dummies: Exam 70-210, Exam 70-215, Exam 70-216, Exam 70-217 Proxy Server ConceptsThe primary functions of Microsoft Proxy Server is to act as a gateway to and from the Internet. Clientsconnect to Proxy Server when they make a request for resources located on the Internet. Proxy Server getsthe resource and returns it to the client. The Server can also allow selected computers or protocols toaccess the internal network. Since you are only presenting one IP address to the Internet, Proxy Servereffectively hides your internal network.A Proxy Server has one network card for the private internal network and it has another network adapterwith which to connect to the Internet. This adapter may be another network card or it may be an ISDNadapter. The Proxy Server is the only computer in the network attached to both internal and externalnetworks.Microsoft Proxy Server consists of 3 different services: Web Proxy, WinSock Proxy, and SOCKS Proxy.Web Proxy ServiceThe Web Proxy service runs as a service on a Windows NT Server. It runs as an extension to IIS 3.0 orhigher. You must have IIS installed on your NT server in order for the Web Proxy service to run. Clientscontact the Web Proxy service and it contacts other Web servers on behalf of the client and then relays theinformation back.The Web Proxy service supports Hypertext Transfer Protocol (HTTP) and File Transfer Protocol (FTP) forcomputers on the local LAN.CachingThe Web Proxy service maintains a local copy of HTTP and FTP objects on a local hard disk. This iscalled caching. Not all objects are cached. Some objects change frequently, even each time they areaccessed, so caching them is a waste of processing time. Some objects have a security context and are notcached for security reasons. The Proxy Server performs two types of caching: Passive caching and Activecaching.Passive CachingPassive caching is the method used most. It is also know as on-demand caching because it is available ondemand when the client makes the request.In a network that does not have a Proxy Server, the client contacts the Web server on the Internet. TheWeb server responds to the request and sends the requested objects directly back to the client. ProxyServer sits in the middle of this process. The Proxy client contacts Proxy Server with the request. ProxyServer goes to the Internet with the request and retrieves t ...