Virtualization Cloud

Question 1

What is virtualization?

Answer 1

Running multiple virtual machines on a single physical host.

Question 2

What is the purpose of a hypervisor?

Answer 2

To manage and run virtual machines on a physical host.

Question 3

What are the two types of hypervisors?

Answer 3

Type 1 (bare-metal) and Type 2 (hosted).

Question 4

What is an example of a Type 1 hypervisor?

Answer 4

VMware ESXi, Microsoft Hyper-V.

Question 5

What is an example of a Type 2 hypervisor?

Answer 5

Oracle VirtualBox, VMware Workstation.

Question 6

What are the advantages of virtualization?

Answer 6

Cost savings, resource efficiency, and easy scalability.

Question 7

What is hardware virtualization support in CPUs?

Answer 7

Features like Intel VT-x and AMD-V to improve VM performance.

Question 8

What is virtual machine (VM) snapshot?

Answer 8

A saved state of a VM that can be restored later.

Question 9

What is cloud computing?

Answer 9

Delivering computing services over the internet.

Question 10

What are the three primary cloud service models?

Answer 10

IaaS (Infrastructure as a Service), PaaS (Platform as a Service), SaaS (Software as a Service).

Question 11

What is an example of IaaS?

Answer 11

Amazon EC2, Microsoft Azure Virtual Machines.

Question 12

What is an example of PaaS?

Answer 12

Google App Engine, Microsoft Azure App Services.

Question 13

What is an example of SaaS?

Answer 13

Google Workspace, Microsoft 365.

Question 14

What are the four main cloud deployment models?

Answer 14

Public cloud, private cloud, hybrid cloud, and community cloud.

Question 15

What is the difference between public and private clouds?

Answer 15

Public clouds are shared among multiple users; private clouds are dedicated to one organization.

Question 16

What is a hybrid cloud?

Answer 16

A combination of public and private cloud resources.

Question 17

What is on-demand self-service in cloud computing?

Answer 17

The ability to provision resources as needed without human intervention.

Question 18

What is resource pooling in cloud computing?

Answer 18

Sharing resources among multiple customers dynamically.

Question 19

What is cloud elasticity?

Answer 19

The ability to scale resources up or down based on demand.

Question 20

What is cloud scalability?

Answer 20

The ability to handle growth by adding more resources.

Question 21

What is a benefit of cloud computing?

Answer 21

Reduced IT infrastructure costs and increased accessibility.

Question 22

What is cloud metering?

Answer 22

Paying for cloud resources based on usage.

Question 23

What is a cloud-based virtual desktop infrastructure (VDI)?

Answer 23

Hosting a desktop environment on a remote server accessible via the cloud.

Question 24

What is containerization?

Answer 24

Running applications in isolated environments called containers.

Question 25

What is an example of a containerization platform?

Answer 25

Docker, Kubernetes.

Question 26

What is a virtual private network (VPN)?

Answer 26

A secure connection to a private network over the internet.

Question 27

What is an example of a cloud storage service?

Answer 27

Google Drive, Dropbox, Microsoft OneDrive.

Question 28

What is the purpose of cloud monitoring tools?

Answer 28

To track resource usage, performance, and security in a cloud environment.

Question 29

What is a potential risk of cloud computing?

Answer 29

Data breaches and lack of control over physical infrastructure.

Question 30

What is the purpose of encryption in cloud computing?

Answer 30

To protect data stored and transmitted in the cloud.

Question 31

What is multi-tenancy in cloud computing?

Answer 31

Multiple customers sharing the same physical resources in a cloud environment.

Question 32

What is the role of identity and access management (IAM) in the cloud?

Answer 32

To control user access to cloud resources.

Question 33

What is a service-level agreement (SLA)?

Answer 33

A contract defining the level of service expected from a cloud provider.

Question 34

What is the difference between horizontal and vertical scaling in the cloud?

Answer 34

Horizontal scaling adds more machines; vertical scaling adds more resources to an existing machine.

Question 35

What is a cloud orchestration tool?

Answer 35

Automates cloud management tasks like provisioning and scaling.

Question 36

What is serverless computing?

Answer 36

Running code without managing server infrastructure.

Question 37

What is an example of a serverless platform?

Answer 37

AWS Lambda, Google Cloud Functions.

Question 38

What is edge computing?

Answer 38

Processing data closer to its source rather than in a centralized data center.