Cloud info Flashcards
1
Q
most common deployment model. IT infrastructure is owned and managed by a CSP. Located in a remote datacenter. There are 2 variants
A
Shared public cloud
Dedicated public cloud
2
Q
- Many organizations share common resources.
- Each org is only aware of its own account
- Their own tenant is within a Multi-tenant environment
A
Shared public cloud
3
Q
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)
A
Dedicated public cloud
4
Q
- 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
A
Private Cloud
5
Q
- 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
A
Hybrid Cloud
6
Q
- 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
A
Advantages of Cloud Computing