IT infrastructure and emerging technologies
7 important questions on IT infrastructure and emerging technologies
What is the difference between two-tiered and mulititiered (n-tier) server architectures?
What are the sevon major components for IT infrastructure
- computer hardware - Dell, IBM HP
- operating system platform - windows, unix, linux
- enterprise software applications - SAP, oracle, microsoft
- networking/telecommunications - windows server, linux, cisco
- consultants and system integrators - IBM, HP, accenture
- data management and storage - IBM DB2, oravle, SQL server
- internet platforms - Apache, microsoft, unix
What is a blade server?
- Higher grades + faster learning
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What are the contemporary hardware platform trends and explain
- the mobile digital platform
- consumerization of it and byod (bring your own device)
- grid computing
- virtualization (multiple operating systems) 70% capacity
- cloud computing
- green computing
- high-performance/power-saving processirs
- autonomic computing
Name the essential characteristics of cloud computing
- on-demand self-service
- ubiquitous network access - everyone with internet can access
- location-independent resource pooling
- rapid elasticity
- measured service
What are the three different types of services for cloud computing?
cloud platform as a service
cloud software as a service
What are the three external sources for software
- software from a commercial software vendor
- software outsourcing
- cloud-based software services and tools (called: SaaS) (googledrive)
- mashups and apps
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