Introduction to Cloud Computing

What is cloud computing?

• Delivery of computing services over the phone

• Delivery of computing services over the internet

• Delivery of computing services via mail

• Delivery of computing services in person

Answer explanation

Cloud computing refers to the delivery of computing services over the internet, making it the correct choice among the options provided.

Which technologies benefit from cloud services?

• IoT, ML, and AI

• Quantum Computing and Nanotechnology

• Blockchain and VR

• AR and Robotics

Answer explanation

Cloud services benefit IoT, ML, and AI by providing scalable infrastructure, storage, and processing power required for these technologies to function efficiently and effectively.

What do cloud-based IoT solutions enable businesses to do?

• Develop innovative IoT applications without infrastructure investment

• Optimize operations without any tools

• Ignore connected devices remotely

• Monitor and control devices in person

Answer explanation

Cloud-based IoT solutions enable businesses to develop innovative IoT applications without infrastructure investment, allowing them to leverage advanced technology without the need for significant upfront costs.

Which cloud model uses some datacenters focused on providing cloud services to anyone that wants them, and some data centers that are focused on a single customer?

• Hybrid cloud

• Public cloud

• Multicloud

• Infa cloud

Answer explanation

The correct choice is Hybrid cloud because it uses some datacenters for public cloud services and others for a single customer, combining aspects of both public and private clouds.

According to the shared responsibility model, which cloud service type places the most responsibility on the customer?

• Public Cloud

• Infrastructure as a Service (IaaS)

• Platform as a Service (PaaS)

• Software as a Service (SaaS)

Answer explanation

According to the shared responsibility model, Infrastructure as a Service (IaaS) places the most responsibility on the customer as they are responsible for managing the virtualization layer, networking, storage, and operating system.

Which type of scaling involves adding or removing resources (such as virtual machines or containers) to meet demand?

• Vertical scaling

• Diagonal scaling

• Static scaling

• Horizontal scaling

Answer explanation

Horizontal scaling involves adding or removing resources (such as virtual machines or containers) to meet demand.

What is characterized as the ability of a system to recover from failures and continue to function?

• Scalability

• Reliability

• Durability

• Predictability

Answer explanation

Reliability is characterized as the ability of a system to recover from failures and continue to function, making it the correct choice in this context.

Which cloud service type is most suited to a lift and shift migration from an on-premises datacenter to a cloud deployment?

• Software as a Service (SaaS)

• Infrastructure as a Service (IaaS)

• Platform as a Service (PaaS)

• Function as a Service (FaaS)

Answer explanation

IaaS is the most suited cloud service type for a lift and shift migration as it provides virtualized computing resources similar to on-premises infrastructure.

What type of cloud service type would a Finance and Expense tracking solution typically be in?

• Software as a Service (SaaS)

• Platform as a Service (PaaS)

• Infrastructure as a Service (IaaS)

• On-premises solution

Answer explanation

A Finance and Expense tracking solution would typically be in the Software as a Service (SaaS) cloud service type, allowing users to access the solution over the internet without the need for on-premises installation.

How does cloud computing help in cost reduction for businesses?

• By eliminating the need for IT staff

• By reducing hardware and maintenance costs

• By increasing energy consumption

• By requiring expensive software licenses

Answer explanation

Cloud computing helps in cost reduction for businesses by reducing hardware and maintenance costs.