(Unit 1 of 4) The benefits of high availability and scalability in the cloud Flashcards
1
Q
Describe the term “HIGH AVAILABILITY”
A
An IT system, component, or application can operate at a high level, continuously, without intervention, for a given time period.
2
Q
What does SLA stand for ?
A
Service-level agreement (SLA)
3
Q
What is an SLA?
A
A service-level agreement is a commitment between a service provider and a customer.
4
Q
Describe the Term “SCALABILITY”
A
Scalability refers to the ability to adjust resources to meet demand.
5
Q
What Is Vertical Scaling?
A
Vertical scaling (aka scaling up) describes adding additional resources to a system so that it meets demand.
6
Q
What Is Horizontal Scaling?
A
Horizontal scaling (aka scaling out) refers to adding additional nodes or machines to your infrastructure to cope with new demands.
