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Exam 70-220

Designing Security for a Microsoft Windows 2000 Network

Exam 70-220 has been available since July 20, 2000.

This document includes information on:

• Microsoft Certification Path
• Target Audience
• Skills Being Measured

Microsoft Certification Path

When you pass this exam, you achieve MCP (Microsoft Certified Professional) status. You also earn either core or elective credit toward your MCSE (Microsoft Certified Systems Engineer) certification.

Target Audience

Candidates for this exam operate in medium to very large computing environments that use the Windows 2000 network operating system. They have a minimum of one year's experience designing network infrastructures in environments that have the following characteristics:

• Supported users range from 200-26,000+
• Physical locations range from 5-150+
• 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.

Skills Being Measured

This certification exam tests the skills required to analyze the business requirements for security and design a security solution that meets business requirements. Security includes:

• Controlling access to resources
• Auditing access to resources
• Authentication
• Encryption

Before taking the exam, you should be proficient in the job skills listed below.

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 business and security requirements for the end user.

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.

Analyze the current physical model and information security model by analyzing internal and external security risks.

Analyzing Technical Requirements

Evaluate the company's existing and planned technical environment.

• Analyze company size and user and resource distribution.
• Assess the available connectivity between the geographic location of work sites and remote sites.
• Assess the net available bandwidth.
• Analyze performance requirements.
• Analyze the method of accessing data and systems.
• Analyze network roles and responsibilities. Roles include administrative, user, service, resource ownership, and application.

Analyze the impact of the security design on the existing and planned technical environment.

• Assess existing systems and applications.
• Identify existing and planned upgrades and rollouts.
• Analyze technical support structure.
• Analyze existing and planned network and systems management.

Analyzing Security Requirements

Design a security baseline for a Windows 2000 network that includes domain controllers, operations masters, application servers, file and print servers, RAS servers, desktop computers, portable computers, and kiosks.

Identify the required level of security for each resource. Resources include printers, files, shares, Internet access, and dial-in access.

Designing a Windows 2000 Security Solution

Design an audit policy.

Design a delegation of authority strategy.

Design the placement and inheritance of security policies for sites, domains, and organizational units.

Design an Encrypting File System strategy.

Design an authentication strategy.

• Select authentication methods. Methods include certificate-based authentication, Kerberos authentication, clear-text passwords, digest authentication, smart cards, NTLM, RADIUS, and SSL.
• Design an authentication strategy for integration with other systems.

Design a security group strategy.

Design a Public Key Infrastructure.

• Design Certificate Authority (CA) hierarchies.
• Identify certificate server roles.
• Manage certificates.
• Integrate with third-party CAs.
• Map certificates.

Design Windows 2000 network services security.

• Design Windows 2000 DNS security.
• Design Windows 2000 Remote Installation Services (RIS) security.
• Design Windows 2000 SNMP security.
• Design Windows 2000 Terminal Services security.

Designing a Security Solution for Access Between Networks

Provide secure access to public networks from a private network.

Provide external users with secure access to private network resources.

Provide secure access between private networks.

• Provide secure access within a LAN.
• Provide secure access within a WAN.
• Provide secure access across a public network.

Design Windows 2000 security for remote access users.

Designing Security for Communication Channels

Design an SMB-signing solution.

Design an IPSec solution.

• Design an IPSec encryption scheme.
• Design an IPSec management strategy.
• Design negotiation policies.
• Design security policies.
• Design IP filters.
• Define security levels.

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