Preparation Guide for Exam 70-221
Designing a Microsoft Windows 2000 Network Infrastructure
Updated: May 13, 2008
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Exam news
Exam 70-221 became available on July 12, 2000.
• This exam retired in March 2008
Audience profile
Candidates for this exam operate in medium-sized to very large computing environments that use the Microsoft Windows 2000 network operating system. They have a minimum of one year of experience in designing network infrastructures in environments that have the following characteristics:
• Supported users range from 200 to more than 26,000.
• Physical locations range from 5 to more than 150.
• Typical network services and applications include file and print, database, messaging, proxy server or firewall, dial-in server, desktop management, and Web hosting.
• Connectivity needs include connecting individual offices and users at remote locations to the corporate network and connecting corporate networks to the Internet.
Credit toward certification
When you pass the Designing a Microsoft Windows 2000 Network Infrastructure exam, you achieve Microsoft Certified Professional status. You also earn credit toward the following certifications:
• Core or elective credit toward Microsoft Certified Systems Engineer on Windows 2000 certification
Preparation tools and resources
In addition to your hands-on experience working with the product, we recommend that you use the following tools and training to help you prepare for this exam.
Classroom training for this exam
• Course 1562: Designing a Microsoft Windows 2000 Networking Services Infrastructure
Microsoft certified practice tests
• MeasureUp: Visit the MeasureUp Web site to take a practice test.
• Self Test Software: Visit the Self Test Software Web site to take a practice test.
Microsoft online resources
• TechNet: Designed for IT professionals, this site includes how-to instructions, best practices, downloads, technical chats, and much more.
• MSDN: The Microsoft Developer Network (MSDN) is a reference for developers. It features code samples, technical articles, newsgroups, chats, and more.
• Training and certification newsgroups: There is a newsgroup for every Microsoft certification. By participating in the ongoing dialogue, you take advantage of a unique opportunity to exchange ideas with and ask questions of others, including more than 750 Microsoft Most Valuable Professionals (MVPs) worldwide.
Skills measured
This exam measures your ability to analyze the business requirements for a network infrastructure and design a network infrastructure that meets business requirements. Network infrastructure elements include:
• Network topology
• Routing
• IP addressing
• Name resolution such as WINS and DNS
• Virtual private networks
• Remote access
• Telephony solutions
Before taking the exam, you should be proficient in the job skills listed in the following matrix. The matrix shows which Official Microsoft Learning Products may help you reach competency in the skills being tested in the exam.
KEY: = The course provides a general introductory overview of this task. You will need to supplement the course with additional work. = The course includes some material to prepare you for this task. You will need to supplement the course with additional work. = The course includes material to prepare you for this task.
Skills measured by Exam 70-221 Course 1562
Analyzing Business Requirements
Analyze the existing and planned business models.
• Analyze the company model and the geographical scope. Models include regional, national, international, subsidiary, and branch offices.
• Analyze company processes. Processes include information flow, communication flow, service and product life cycles, and decision-making.
Analyze the existing and planned organizational structures. Considerations include management model; company organization; vendor, partner, and customer relationships; and acquisition plans.
Analyze factors that influence company strategies.
• Identify company priorities.
• Identify the projected growth and growth strategy.
• Identify relevant laws and regulations.
• Identify the company’s tolerance for risk.
• Identify the total cost of operations.
Analyze the structure of IT management. Considerations include type of administration, such as centralized or decentralized; funding model; outsourcing; decision-making process, and change-management process.
Analyzing Technical Requirements
Evaluate the company’s existing and planned technical environment and goals.
• Analyze company size and user and resource distribution.
• Assess the available connectivity between the geographic location of worksites and remote sites.
• Assess net available bandwidth and latency issues.
• Analyze performance, availability, and scalability requirements of services.
• Analyze data and system access patterns.
• Analyze network roles and responsibilities.
• Analyze security considerations.
Analyze the impact of infrastructure design on the existing and planned technical environment.
• Assess current applications.
• Analyze network infrastructure, protocols, and hosts.
• Evaluate network services.
• Analyze TCP/IP infrastructure.
• Assess current hardware.
• Identify existing and planned upgrades and rollouts.
• Analyze technical support structure.
• Analyze existing and planned network and systems management.
Analyze the network requirements for client computer access.
• Analyze end-user work needs.
• Analyze end-user usage patterns.
Analyze the existing disaster recovery strategy for client computers, servers, and the network.
Designing a Windows 2000 Network Infrastructure
Modify and design a network topology.
Design a TCP/IP networking strategy.
• Analyze IP subnet requirements.
• Design a TCP/IP addressing and implementation plan.
• Measure and optimize a TCP/IP infrastructure design.
• Integrate software routing into existing networks.
• Integrate TCP/IP with existing WAN requirements.
Design a DHCP strategy.
• Integrate DHCP into a routed environment.
• Integrate DHCP with Windows 2000.
• Design a DHCP service for remote locations.
• Measure and optimize a DHCP infrastructure design.
Design name resolution services.
• Create an integrated DNS design.
• Create a security-enhanced DNS design.
• Create a highly available DNS design.
• Measure and optimize a DNS infrastructure design.
• Design a DNS deployment strategy.
• Create a WINS design.
• Create a security-enhanced WINS design.
• Measure and optimize a WINS infrastructure design.
• Design a WINS deployment strategy.
Design a multi-protocol strategy. Protocols include IPX/SPX and SNA.
Design a Distributed file system (Dfs) strategy.
• Design the placement of a Dfs root.
• Design a Dfs root replica strategy.
Designing for Internet Connectivity
Design an Internet and extranet access solution. Components of the solution could include proxy server, firewall, routing and remote access, Network Address Translation (NAT), connection sharing, Web server, or mail server.
Design a load-balancing strategy.
Designing a Wide Area Network Infrastructure
Design an implementation strategy for dial-up remote access.
• Design a remote access solution that uses Routing and Remote Access.
• Integrate authentication with Remote Authentication Dial-In User Service (RADIUS).
Design a virtual private network (VPN) strategy.
Design a Routing and Remote Access routing solution to connect locations.
• Design a demand-dial routing strategy.
Designing a Management and Implementation Strategy for Windows 2000 Networking
Design a strategy for monitoring and managing Windows 2000 network services. Services include global catalog, Lightweight Directory Access Protocol (LDAP) services, Certificate Services, DNS, DHCP, WINS, Routing and Remote Access, Proxy Server, and Dfs.
Design network services that support application architecture.
Design a plan for the interaction of Windows 2000 network services such as WINS, DHCP, and DNS.
Design a resource strategy.
• Plan for the placement and management of resources.
• Plan for growth.
• Plan for decentralized resources or centralized resources.
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