Introduction to Cloud Computing - Unit 1

Question 1

What does the term “Local Compute” mean?

Answer 1

The use of computer hardware and software that is specific to a local network.

Question 2

What does the term “On-Premises” mean?

Answer 2

Servers that are operated locally or in a data center managed by the company.

Question 3

What does the term “Private Cloud” mean?

Answer 3

Enterprise data center resources that are provisioned for exclusive use by a single organization.

Question 4

What does the term “Public Cloud” mean?

Answer 4

Computing and storage services over the internet.

Question 5

What are hyperscalers?

Answer 5

One of AWS, Azure, or Google Cloud.

Question 6

What does the term “Multi Cloud” mean?

Answer 6

The use of two or more cloud providers of the same technology, private or public.

Question 7

What does the term “Hybrid Cloud” mean?

Answer 7

The combination of public or private cloud and on premises.

Question 8

What solutions do the following companies for a Hybrid Cloud situation:

• Azure
• AWS
• VMWare

Answer 8

• Azure Stack
• AWS Outpost
• VMWare - Hybrid Cloud Solutions

Question 9

What does the term “Poly Cloud” mean?

Answer 9

Using only individual components of different cloud platforms and providers for one application.

Question 10

What is the main disadvantage of Poly Cloud?

Answer 10

The need for a high speed, reliable, and stable data connection between the used locations of the cloud providers.

Question 11

What does the term “Cloud Native” mean?

Answer 11

Architectures designed, from the beginning, with cloud in mind.

Question 12

What are characteristics of cloud native architectures?

Answer 12

• built using microservices
• highly scalable
• resilient
• cloud agnostic

Question 13

What are the main cloud concepts in the following categories:

• technology
• services
• redundancy

Answer 13

• technology: containerization, serverless, automation
• services: managed databases, managed backups & high availibility features
• redundancy: usage of multiple regions and availability zones

Question 14

What are the responsibilities of a cloud solution architect?

Answer 14

Designing an organization’s cloud computing concept.

Question 15

What are the responsibilities of a cloud architect?

Answer 15

While their responsibilities are very similiar to that of a cloud solution architect, they are more concerned with the implementation than the broad overview.

Question 16

What are the responsibilities of a cloud engineer?

Answer 16

Building, operating, and maintaining an organization’s cloud computing evironment.

Question 17

What is a cloud developer?

Answer 17

A user of the provided cloud services to create applications.

Question 18

What is a cloud consultant?

Answer 18

An individual who provides expert advice and guidance to organizations on how to best use cloud computing technologies to achieve their goals.

Question 19

What are the different levels of _aaS?

Answer 19

• On-Premises
• Bare-Metal aaS
• Infrastructure aaS
• Container aaS
• Platform aaS
• Function aaS
• Software aaS

Question 20

What does IaaS provide, and what is an example on AWS?

Answer 20

Virtualized computing resources accessible through the internet.

EC2

Question 21

What does PaaS provide, and what is an example on AWS?

Answer 21

Features and functions as a platform to build, run, and manage applications.

S3, DynamoDB

Question 22

What does SaaS provide, and what is are some examples?

Answer 22

Cloud-based software that is provided over the Internet and allows users to access and use the software from a remote location.

Microsoft Office 365, Salesforce

Question 23

What is the main advantage of serverless? What is a classic example of a serverless offering on AWS?

Answer 23

Being able to concentrate on writing code that runs in the cloud without provisioning or managing any servers.

AWS Lambda

Question 24

How can the cloud be leveraged to save money in regard to fluctuations in capacity utilization?

Answer 24

By scaling the used resources up and down with the demand, and only paying for what you use.

Question 25

If a client knows they need a certain number of EC2 instances for a certain amount of time, what can they employ to save money?

Answer 25

Purchasing reserved instances for a cost reduction.

Question 26

What level of service availability must be reached for all cloud providers to reimburse 100% of the montly consumption of the disrupted service?

Answer 26

95%

Question 27

How many regions does AWS operate globally? How many availability zones globally?

Answer 27

28 regions, and 84 availability zones.

Question 28

What is every availability zone comprised of?

Answer 28

Multiple data centers.

Question 29

What is a VPC?

Answer 29

A **V**irtual **P**rivate **C**loud a secure, isolated private cloud hosted within a public cloud.

Question 30

Are cloud solutions always cheaper if systems are moved 1-to-1 from the data center to the cloud?

Answer 30

No, some adaption is necessary.

Question 31

What solutions exist for the prevention of over-spending in the cloud?

Answer 31

* monitoring capabilities * automated alerts * shutdown of services once a pre-defined budget has been spent

Question 32

What is the concept of shared responsibility?

Answer 32

That both the cloud provider and the client are responsible for certain aspects of the system.

Question 33

What should be kept in mind when evaluating the certifications acheived by cloud providers?

Answer 33

* if they are pertinant to your use-case * if they are available in the needed region * if they are available for the needed API

Question 34

What is the **I**nformation **S**ystem **S**ecurity **M**anagement and **A**ssessment **P**rogram (ISMAP), and who administers it?

Answer 34

ISMAP is a cloud services assessment program administered by the Japanese government. It aims to enuser appropriate security in government cloud services.

Question 35

What does ISO 27001 specify?

Answer 35

The requirements for establishing, implementing, maintaining, and continually improving an information security management system.

Question 36

What is the purpose of the Swiss **Fin**ncial **Ma**rket Supervisory Authority (FINMA)?

Answer 36

To supervise banks, insurance companies, financial institutions, collective investment schemes, and their asset managers and fund management companies.

Question 37

What does the term "Data Sovereignty" mean? How can this be difficult in cloud architectures?

Answer 37

That collected data is subject to the law of the country in which it was collected. When data is transferred through different countries, different laws may apply.

Question 38

What is the **G**eneral **D**ata **P**rotection **R**egulation, and who enforces it?

Answer 38

It is a data privacy and security law, and it is enforced by the EU.

Question 39

What does the **C**larifying **L**awful **O**verseas **U**se of **D**ata (CLOUD) act allow the US to do?

Answer 39

To request data from US companies that are based in other countries.

Question 40

Does the CLOUD act require a mutual legal assistance treaty? How is this handled in the EU?

Answer 40

No. The EU does not believe this is acceptable under EU law.

Question 41

What is the Google Sovereign Cloud?

Answer 41

A highly secure cloud solution that allows the customer to retain full control over the processed data.

Question 42

What does the **C**yber**s**ecurity **L**aw (CSL) of the People's Republic of China govern? Which entities are subject to special requirements?

Answer 42

Networks and cyberspace activities in order to safeguard network security, prevent illegal activities, and maintain confidentiality of network data. **C**ritical **I**nformation **I**nfrastructure operators are subject to special requirements.

Question 42

What is a noteworthy point when using Chinese cloud regions in regard to the operator of those regions?

Answer 42

Non-Chinese companies are not allowed to operate them, so it is contracted to a local company.