Episode1-Describe Cloud Computing

Question 1

Describe the 4 types services of Cloud Computing

Answer 1

Storage, Compute Power, Network and Analytics

Question 2

Describe the term Availability

Question 3

Describe the term Scalability

Answer 3

Scalability is the ability to scale. Scaling is a process of
* allocating(adding ) or
* deallocating(removing)
resources.
When increasing the size a of resource in we scaling UPwhen we are decreasing the resource in size are scaling down.When we are moving we are moving up or down is called vertical scalling .
However whrn increasing the amount of instances of our resources its called scaling out this means when we are decreasing the amount of our instances we are scaling in. This type of scaling method of is called a horizontal scaling

Question 4

Describe the term Elasticity

Answer 4

Elasticity(automatic scaling)
* The ability to scale dynamically

Question 5

Describe the term Agility

Answer 5

Agility is the ability to react quickly.
this means the ability to allocate and deallocate (scale) resources quickly.

Question 6

Describe Fault Tolerance

Answer 6

Fault tolerance refers to the ability to remain up and running during component and service failures.

Question 7

Disaster Recovery

Answer 7

Disaster is a serious disruption of serives caused by natural or human-induced causes.

** Disaster Recovery** is the ability to recover from an even that has taken down the service(disaster)

Question 8

High Availability

Answer 8

Availbility is a mesure of system uptime for users/services, and **High Availability **means the ability to keep services running for extended periods of time with very little downtime

Question 9

Private Cloude

Answer 9

Private cloud is where the
computing services are offered to
users over the internet or a private
internal network.

Question 10

Public cloude

Answer 10

Public cloud are owned and
operated by a third-party cloud
service providers like Azure, AWS or
GCP.

Question 11

Hybrid cloude

Answer 11

A hybrid cloud, as the name suggests, is a combination of public cloud and

private cloud. A hybrid cloud typically extends a connection from an on-
premises data center to a public cloud.

Question 12

Capital Expenditure

Answer 12

1. CapEX (Capital expenditures) is the spending of money on
   physical infrastructure upfront and then deducting that
   expense from your tax bill over time.
2. CapEx is an upfront cost, which has a value that reduces over
   time and usually has no recurring cost.
3. Capital expenditures (CapEx) are major purchases a company
   makes that are designed to be used over the long term.

4.Examples of CapEx include physical assets, such as buildings,
equipment, machinery, and vehicles

5.Deploying your own data center and Azure Reserved VM
Instances are a few examples of the CapEx pricing model.

Question 13

Operating Expenditure

Answer 13

(1) OpEX (Operating expenditures) is spending money on services
or products now and being billed for them now. You can
deduct this expense from your tax bill in the same year.

(2) There’s no upfront cost but has a recurring cost.

(3) Operating expenses (OpEx) are the day-to-day expenses a
company incurs to keep its business operational.

(4) Examples of OpEx include employee salaries, rent, utilities,
property taxes, and cost of goods sold (COGS).

(5)Azure virtual machines is an example of the OpEx pricing
model.