Who can manage the on-premise IT infrastructure?

• Only the company itself

• Only a third-party

• Either the company or a third-party

• Only external consultants

Answer explanation

The on-premise IT infrastructure can be managed by either the company itself or a third-party service provider. This flexibility allows organizations to choose the best option based on their needs and resources.

Who hosts and manages the system in a private cloud?

• Multiple organisations

• A single organisation

• A third-party provider

• The government

Answer explanation

In a private cloud, the system is hosted and managed by a single organization, which has full control over the infrastructure and resources, unlike public clouds that are managed by third-party providers.

What are public clouds typically created from?

• IT infrastructure not owned by the end user

• Personal computers

• Local servers

• User-owned hardware

Answer explanation

Public clouds are built on IT infrastructure not owned by the end user, allowing for scalable and flexible resources. This distinguishes them from personal computers, local servers, or user-owned hardware, which are privately managed.

What is the role of a runtime system?

• Store data

• Translate programming languages into machine code

• Manage network traffic

• Control hardware

Answer explanation

The runtime system is responsible for translating programming languages into machine code, enabling the execution of programs on hardware. This is essential for program performance and compatibility.

Which of the following is a service provided by IaaS?

• Remote Desktops

• Local Desktops

• Physical Servers

• Personal Computers

Answer explanation

IaaS (Infrastructure as a Service) provides virtualized computing resources over the internet. Remote Desktops are a service that allows users to access a desktop environment remotely, making it the correct choice.

What is the primary delivery method for IaaS?

• Through the internet

• Through local networks

• Through physical delivery

• Through satellite

Answer explanation

The primary delivery method for Infrastructure as a Service (IaaS) is through the internet, allowing users to access and manage resources remotely without the need for physical hardware.

What is the main advantage of using IaaS for businesses?

• Flexibility and scalability

• High initial investment

• Limited access

• Complex setup

Answer explanation

The main advantage of IaaS is its flexibility and scalability, allowing businesses to easily adjust resources based on demand without high initial investments or complex setups.

What does PaaS stand for in cloud computing?

• Platform-as-a-service

• Product-as-a-service

• Process-as-a-service

• Program-as-a-service

Answer explanation

PaaS stands for Platform-as-a-Service, which provides a framework for developers to build, deploy, and manage applications without dealing with the underlying infrastructure. The other options do not accurately represent this concept.

What does the service provider deliver in a PaaS model?

• A physical server

• An integrated solution stack

• A standalone application

• A manual guide

Answer explanation

In a PaaS model, the service provider delivers an integrated solution stack, which includes the operating system, middleware, and development tools, allowing developers to build and deploy applications without managing the underlying infrastructure.

Who manages the applications in a SaaS model?

• Service Provider

• End User

• IT Department

• Network Administrator

Answer explanation

In a SaaS model, the service provider manages the applications, ensuring they are maintained, updated, and available to end users. The end user accesses the software, but does not manage it.