Section 4.1 Cloud Computing Concepts

What is a private cloud?

A cloud environment dedicated to a single organization

What is a public cloud?

A cloud environment provided by third-party vendors to multiple customers

What is a hybrid cloud?

A mix of private and public cloud services working together

What is a community cloud?

A shared cloud infrastructure for specific organizations with common goals

What does IaaS stand for?

Infrastructure as a Service

What is IaaS?

Provides virtualized computing resources over the internet

What does SaaS stand for?

Software as a Service

What is SaaS?

Software applications delivered over the internet

What does PaaS stand for?

Platform as a Service

What is PaaS?

Provides a platform for developers to build and deploy applications

Which cloud model offers the most control to users?

IaaS

Which cloud model requires no local installation?

SaaS

Which cloud model provides development tools and environments?

PaaS

What is the benefit of shared resources in cloud computing?

Efficient use of infrastructure and reduced costs

What does metered utilization mean in cloud services?

Billing based on resource usage

What is rapid elasticity in cloud computing?

The ability to quickly scale resources up or down

What does high availability refer to?

System uptime and reliability to minimize downtime

What is file synchronization in the cloud?

Keeping files updated and accessible across devices

Give an example of SaaS.

Google Workspace or Microsoft 365

Give an example of IaaS.

Amazon EC2 or Microsoft Azure VM

Give an example of PaaS.

Google App Engine or Microsoft Azure App Services

What is desktop virtualization?

Running desktop environments on centralized servers

What is VDI?

Virtual Desktop Infrastructure

What is on-premises VDI?

VDI hosted within an organization's own data center

What is cloud VDI?

VDI hosted by a cloud provider

What is a benefit of VDI?

Centralized management and easier updates

What is a key benefit of cloud VDI?

Access from anywhere with an internet connection

What feature of cloud computing allows resource pooling?

Shared resources

What is one advantage of SaaS?

No need for local installations or updates

What is a disadvantage of IaaS?

More management responsibility for the customer

What type of cloud is ideal for government agencies sharing infrastructure?

Community cloud

What is a drawback of public cloud?

Less control over data and infrastructure

Which model allows fastest app deployment?

PaaS

Which cloud characteristic supports scaling with demand?

Rapid elasticity

Which cloud model is often used for email services?

SaaS

What kind of billing model is used by most cloud providers?

Metered usage

What is one reason to use a hybrid cloud?

To keep sensitive data private while using public services

What defines a cloud environment's high availability?

Redundancy and failover systems

What is one benefit of file sync in the cloud?

Access files from multiple devices

Which cloud model offers hardware-level access?

IaaS

Which cloud model abstracts OS-level management?

PaaS

What is a typical use of PaaS?

Developing and testing applications

What is needed for cloud VDI access?

Internet and a client device

Why use on-prem VDI over cloud?

More control over data and infrastructure

What service model offers full applications over the web?

SaaS

How does cloud VDI enhance mobility?

Users can access desktops remotely

What is a concern with using public cloud?

Security and compliance

What is one advantage of private cloud?

Higher security and customization

Which model shares infrastructure with similar organizations?

Community cloud