Exam 70-151
Microsoft^® Windows^® Operating Systems and Services Architecture II

The Microsoft Windows Operating Systems and Services Architecture II certification exam measures your ability to design and develop business solutions with Microsoft tools and technologies. Specifically, this exam measures your ability to understand and apply fundamental concepts of Windows Open Services Architecture (WOSA) to the design and creation of business solutions. Major topic groups covered include:

• ODBC: Understanding Open Database Connectivity, Microsoft's strategic interface for accessing data in a heterogeneous environment of relational and nonrelational database management systems
• MAPI: Understanding the Messaging API and its use in electronic mail and workgroup productivity applications
• Communication Services: Understanding the services that are provided by other APIs (Telephony API, License Service API, Windows Sockets API, Windows SNA API, and so on)

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

Open Database Connectivity (ODBC) 2.0

• Describe the services that ODBC provides to the application developer.
• Describe the role of an application.
• Describe the role of the Driver Manager.
• Describe the role of the driver.
• Describe the role of the data source.
• List and describe the ODBC API and SQL conformance levels.
• Discuss the approach to writing an interoperable database application that uses ODBC.
• Describe the advantages and disadvantages of using native SQL versus ODBC SQL.
• Describe single-tier and multiple-tier drivers.
• List the information necessary to connect to a data source.
• Describe where configuration information for each data source is stored for Windows version 3.x and Microsoft Windows NT®.
• Describe the four scrollable cursor types in ODBC: static, keyset-driven, dynamic, and mixed.
• Describe performance issues related to ODBC.

Messaging API (MAPI)

• Describe the services that MAPI provides to the application developer.
• Describe the role of the Windows Messaging System and each of its components.
• List the functions of the server messaging system.
• Describe the role of the address book.
• Describe the role of the message store.
• Describe the role of the message spooler.
• Describe the role of the transport provider.
• Describe folders, messages, recipient lists, and attachments and how they work together.
• Describe the difference between Simple MAPI and CMC 1.0.
• Describe Extended MAPI.
• Define unified logons and profiles.
• Describe store-and-forward functionality.
• Describe what it means for an application to be an advanced messaging application and which client API or APIs are applicable.
• Describe other types of communication (besides LAN-based electronic mail) to which MAPI provides access.

Telephony API (TAPI)

• Describe the services that TAPI provides to the application developer.
• Describe Assisted Telephony.
• Describe the full Telephony API.

License Service API (LSAPI)

• Describe the services that LSAPI provides to the application developer.
• Describe the level of copy protection provided by LSAPI.

Windows SNA API

• Describe the services that the Windows SNA API provides to the application developer.
• List and describe the components of the Windows SNA API.

Windows Sockets API

• Describe the services the Windows Sockets API provides to the application developer.
• Describe the roles of client and server as they relate to Windows Sockets.

WOSA Extensions for Financial Services (XFS)

• Describe the services that WOSA XFS provides to the application developer.

WOSA Extensions for Real-Time Market Data (XRT)

• Describe the services that WOSA XRT provides to the application developer.