Cloud Computing

Question 1

Cloud Computing

Answer 1

he practice of using a network of remote servers hosted on the Internet

Question 2

Characteristics of the Cloud - High Availability

Answer 2

High Availability
▪ Services experience very little downtime when using the cloud
▪ Availability is the percentage of uptime versus downtime

Question 3

Characteristics of the Cloud - Scalability

Answer 3

Scalability
▪ Ability to increase the number of items in a system at a linear rate or less
than a linear rate

Question 4

Characteristics of the Cloud - Vertical Scaling (Scaling Up)

Answer 4

Vertical Scaling (Scaling Up)
▪ Increasing the power of the existing resources in the working
environment

Question 5

Characteristics of the Cloud - Horizontal Scaling (Scaling Out)

Answer 5

Horizontal Scaling (Scaling Out)
▪ Adding additional resources to help handle the extra load being
experienced

Question 6

Characteristics of the Cloud - Rapid Elasticity

Answer 6

Rapid Elasticity
▪ The ability to quickly scale up or down
● Elasticity is the system’s ability to handle changes to demand in
real time

Question 7

Characteristics of the Cloud - Metered Utilization

Answer 7

Metered Utilization
▪ Being charged for a service on a pay per use basis
The benefit of using the cloud is that most things are done on a metered
basis

Question 8

Characteristics of the Cloud - Measured Services

Answer 8

Measured Services
▪ Charging is based upon the actual usage of the service being consumed
▪ Measured services are charged based on the actual usage of the service
being consumed

Question 9

Characteristics of the Cloud - Shared Resources

Answer 9

Shared Resources
▪ The ability to minimize the costs by putting VMs on other servers
▪ Shared resources is pooling together all the hardware to make a cloud
provider

Question 10

Characteristics of the Cloud - File Synchronization

Answer 10

File Synchronization
▪ The ability to store data that can spread to other places depending on the
configuration