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2. Objectives Distinguish between servers and desktops and workstations and know what is meant by fault tolerance, availability, scalability, and load balancing Describe the features, advantages and disadvantages of tower, rack, and blade servers Describe the features and installation requirements of rack-mounted equipment 1.1 Servers and Racks 3

3. Features of servers compared to desktops o High availability / fault tolerance o Load balancing o Scalability Workstations Server Hardware and Software 1.1 Servers and Racks 3

4. Server Roles Server Platform o NOS o Basic services (directory, DHCP, DNS) Web Hosting Messaging Media / Streaming Application Small Business Server 1.1 Servers and Racks 5

5. Server Form Factors Tower Rack Blade 1.1 Servers and Racks 7

6. Midplane versus backplane Network modules / switches I/O modules Management modules - Power supply modules Fan modules Blade Enclosures 1.1 Servers and Racks 9

7. Rack Systems Specs o U height units - 1.75" / 4.45cm o Depth o Load o Config tools Accessories o Shelving / rails o Doors / panels o Stabilizers o Cable management 1.1 Servers and Racks 10

8. Positioning o Back-to-back orientation o Service gap Module distribution o Heavier items lower in rack (UPS) o Drive units away from EMI (interference) sources o Keyboard Video Mouse height o Cable lengths / runs o Pull-out rails Rack Installation 1.1 Servers and Racks 12

9. Personal safety and lifting techniques Floor load limitations Safety 1.1 Servers and Racks 13

10. Review Distinguish between servers and desktops and workstations and know what is meant by fault tolerance, availability, scalability, and load balancing Describe the features, advantages and disadvantages of tower, rack, and blade servers Describe the features and installation requirements of rack-mounted equipment 1.1 Servers and Racks 14