Cloud info

Question 1

most common deployment model. IT infrastructure is owned and managed by a CSP. Located in a remote datacenter. There are 2 variants

Answer 1

Shared public cloud
Dedicated public cloud

Question 2

• Many organizations share common resources.
• Each org is only aware of its own account
• Their own tenant is within a Multi-tenant environment

Answer 2

Shared public cloud

Question 3

a 3rd party owns stored in a remote location

• Dedicated physical infrastructure
• Higher cost
• Better security, performance, customization
• Advantages
• Lower cost than having your own private cloud
• No maintenance
• Near-unlimited scalability
• High reliability (SLA)

Answer 3

Dedicated public cloud

Question 4

• It infrastructure owned and managed by the organization
• Can appear identical to their end users as a public cloud
• One variant known as Hosted Private Cloud (my servers that I own, hosted by someone else’s datacenter/CSP)
• Advantages
  
  • More flexibility
  • Improved security
  • High scalability, higher but not unlimited

Answer 4

Private Cloud

Question 5

• Combines public with private cloud or on-premises
• Run applications at the most appropriate location
• Can provide failover capabilities
  
  • Cloud bursting – service gets hit, can’t handle workload, can burst temporarily out to Azure; or failover capabilities

Answer 5

Hybrid Cloud

Question 6

• Economy
  
  • Hardware
  • Upgrades
  • Software
  • Data center environment
  • Network
  • Redundancy (SLA)
  • Personnel
  • Consolidation
  • Scalability
    
    • Vertical scaling – know differences. We add resources to a machine (RAM)
    • Horizontal scaling – rather than increase the performance of a single VM, I will scale out to more VMs
  • Reliability
  • Manageability
• Security – making sure tenants are segregated

Answer 6

Advantages of Cloud Computing