IT infrastructure

• What is IT infrastructure?

  Set of physical devices and software required to operate an enterprise
• What are the stages of IT infrastructure evolution?

  General-purpose mainframe, Personal computer, Client/server, Enterprise computing, Cloud and mobile computing
• What does Moore's Law state?

  Power of microprocessors doubles every 18 months
• What is Metcalfe's Law?

  Value of a network grows exponentially with the number of members
• What are the components of IT infrastructure?

  Computer hardware, Operating systems, Enterprise software, Data management, Networking, Internet platforms, Consulting services
• What is the purpose of enterprise software applications?

  To support or solve problems of an entire organization
• What is cloud computing?

  Model of computing providing services over a network
• What are the characteristics of cloud computing?

  On-demand self-service, Ubiquitous network access, Location independent resource pooling, Rapid elasticity, Measured service
• What is green computing?

  Practices and technologies for reducing power consumption in computing
• What is autonomic computing?

  Self-managing characteristics of distributed computing resources
• What are the types of cloud computing services?

  • Infrastructure as a service (IaaS)
  • Software as a service (SaaS)
  • Platform as a service (PaaS)
• What are the categories of operating systems?

  • Stand-alone or desktop OS
  • Embedded OS
  • Network OS
• What are the current trends in computer hardware platforms?

  • Mobile digital platform
  • Quantum computing
  • Virtualization
  • Cloud computing
  • Edge computing
  • Green computing
  • Autonomic computing
• What are the technology drivers of infrastructure evolution?

  • Moore's Law
  • Law of Mass Digital Storage
  • Metcalfe's Law
  • Declining communication costs
  • Standards and network effects
• What are the components of IT infrastructure?

  • Computer hardware platforms
  • Operating system platforms
  • Enterprise software applications
  • Data management and storage
  • Networking/telecommunications platforms
  • Internet platforms
  • Consulting and system integration services
• What are the stages of IT infrastructure evolution?

  • General-purpose mainframe and minicomputer era
  • Personal computer era
  • Client/server era
  • Enterprise computing era
  • Cloud and mobile computing era
• What are the stages of IT infrastructure evolution?

  • General-purpose mainframe and minicomputer era
  • Personal computer era
  • Client/server era
  • Enterprise computing era
  • Cloud and mobile computing era
• What are the characteristics of cloud computing?

  • On-demand self-service
  • Ubiquitous network access
  • Location independent resource pooling
  • Rapid elasticity
  • Measured service
• What are the types of cloud computing services?

  • Infrastructure as a service (IaaS)
  • Software as a service (SaaS)
  • Platform as a service (PaaS)
• What are the categories of operating systems?

  • Stand-alone or desktop OS
  • Embedded OS
  • Network OS
• What are the current trends in computer hardware platforms?

  • Mobile digital platform
  • Quantum computing
  • Virtualization
  • Cloud computing
  • Edge computing
  • Green computing
  • Autonomic computing
• What are the technology drivers of infrastructure evolution?

  • Moore's Law
  • Law of Mass Digital Storage
  • Metcalfe's Law
  • Declining communication costs
  • Standards and network effects
• What are the characteristics of cloud computing?

  • On-demand self-service
  • Ubiquitous network access
  • Location independent resource pooling
  • Rapid elasticity
  • Measured service
• What are the types of cloud computing services?

  • Infrastructure as a service (IaaS)
  • Software as a service (SaaS)
  • Platform as a service (PaaS)
• What are the categories of operating systems?

  • Stand-alone or desktop OS
  • Embedded OS
  • Network OS
• What are the current trends in computer hardware platforms?

  • Mobile digital platform
  • Quantum computing
  • Virtualization
  • Cloud computing
  • Edge computing
  • Green computing
  • Autonomic computing
• What are the technology drivers of infrastructure evolution?

  • Moore's Law
  • Law of Mass Digital Storage
  • Metcalfe's Law
  • Declining communication costs
  • Standards and network effects
• What are the components of IT infrastructure?

  • Computer hardware platforms
  • Operating system platforms
  • Enterprise software applications
  • Data management and storage
  • Networking/telecommunications platforms
  • Internet platforms
  • Consulting and system integration services
• What are the components of IT infrastructure?

  • Computer hardware platforms
  • Operating system platforms
  • Enterprise software applications
  • Data management and storage
  • Networking/telecommunications platforms
  • Internet platforms
  • Consulting and system integration services
• What are the stages of IT infrastructure evolution?

  • General-purpose mainframe and minicomputer era
  • Personal computer era
  • Client/server era
  • Enterprise computing era
  • Cloud and mobile computing era
• What are the characteristics of cloud computing?

  • On-demand self-service
  • Ubiquitous network access
  • Location independent resource pooling
  • Rapid elasticity
  • Measured service
• What are the types of cloud computing services?

  • Infrastructure as a service (IaaS)
  • Software as a service (SaaS)
  • Platform as a service (PaaS)
• What are the categories of operating systems?

  • Stand-alone or desktop OS
  • Embedded OS
  • Network OS
• What are the current trends in computer hardware platforms?

  • Mobile digital platform
  • Quantum computing
  • Virtualization
  • Cloud computing
  • Edge computing
  • Green computing
  • Autonomic computing
• What are the technology drivers of infrastructure evolution?

  • Moore's Law
  • Law of Mass Digital Storage
  • Metcalfe's Law
  • Declining communication costs
  • Standards and network effects
• What are the components of IT infrastructure?

  • Computer hardware platforms
  • Operating system platforms
  • Enterprise software applications
  • Data management and storage
  • Networking/telecommunications platforms
  • Internet platforms
  • Consulting and system integration services
• What are the stages of IT infrastructure evolution?

  • General-purpose mainframe and minicomputer era
  • Personal computer era
  • Client/server era
  • Enterprise computing era
  • Cloud and mobile computing era
• What are the characteristics of cloud computing?

  • On-demand self-service
  • Ubiquitous network access
  • Location independent resource pooling
  • Rapid elasticity
  • Measured service
• What are the types of cloud computing services?

  • Infrastructure as a service (IaaS)
  • Software as a service (SaaS)
  • Platform as a service (PaaS)
• What are the categories of operating systems?

  • Stand-alone or desktop OS
  • Embedded OS
  • Network OS