IT Infrastructure

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The core knowledge units and topics within IT Infrastructure are as follows:

  • Role of IT Infrastructure in a Modern Organization
  • Core Computing System Architecture Concepts
  • Core Computing System Organizing Structures
  • Core Technical Components of Computer-Based Systems
  • Operating Systems
    • Core operating systems functionality
    • Internal organization of an operating system
    • Types of devices that require and utilize operating systems
    • Multitasking and multithreading
    • File systems and storage
    • User interfaces
    • Operating system configuration
    • Securing an operating system
    • Virtualization of computing services
  • Software
    • Types of software
    • Development models
      • Open source
      • In-house
      • Consulting model
      • Commercial off-the-shelf (COTS)
    • Licensing models and management
    • Intellectual property
      • Ownership
      • Protection
        • Patents
    • Software as a Service
    • Web services
  • Networking
    • Types of networks
      • PAN
      • LAN
      • MAN
      • WAN
    • Core network components
    • TCP/IP model (Internet model)
      • Physical layer: wired and wireless connectivity
      • Data link layer: Ethernet
      • Network layer: IP, IP addressing and routing
      • Transport layer: TCP
      • Application layer: Core internet application protocols
    • Network design
    • Network security and security devices
    • The Internet as a key networking platform
    • Network device configuration
  • Network Management
    • Securing IT infrastructure
      • Principles of encryption and authentication
      • Component level security: clients, servers, storage network devices, data transport, applications
      • Perimeter security: firewalls
    • Using public networks for secure data transport: VPNs
    • Ensuring business continuity
    • System performance analysis and management
    • Cost management
      • Purchasing of IT infrastructure technologies and services
      • Cost of maintaining and staffing of IT infrastructure technologies and services
    • End user support
    • IT Infrastructure Risk Management
      • Compliance
      • Disaster planning
      • Auditing
      • Controls
      • Standards
  • Organizing Storage on Organizational Networks
  • Data Centers
  • Grid Computing
  • Cloud Computing
    • Computing as a service
    • Utility computing
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