Core Concepts Practice Questions

Office 365 represents _____

SaaS

____ gives you a way to give users access to sophisticated applications in a pay-as-you-go environment.

SaaS

The service provider is responsible for all infrastructure hardware in _______

SaaS, PaaS, and IaaS

With CapEx, your costs are fixed

True

Azure allows you to annually for some IaaS offerings, such as ____

Reserved VM Instances

A _____ is an example of an Azure resource that can be deployed as an IaaS

Virtual Machine

_____ represents IaaS because it simulates hardware.

Virtual Machines

IaaS includes: _______

Virtual Machines, Storage, and Virtual Networks

In the IaaS model, the service provider is responsible for:

Virtualization, Servers, Storage, and Physical Networking

The hybrid cloud allows you to deploy resources with no capital expenditure and minimal IT expertise

False

____ is a PaaS offering because it allows you to manage an application

IoT Hub

____ is the spending of money on products and services and being billed for them as you use them.

OpEx

____ is a SaaS offering because it only allows you to manage its users

Skype

In a PaaS environment, the customer is responsible for managing:

Applications and Data

In the PaaS model, the subscriber is responsible only for:

Applications and Data

In the IaaS model, subscribers are responsible for the management of ____

Applications, Data, Runtime, Middleware, and OS

_____ is a relational DB based on the PostgreSQL Community Edition DB engine and offered as a PaaS.

Azure Database for PostgreSQL

An _____ that crawls the web for trending news represents a public deployment model.

Azure Function

___________ is a serverless platform that lets you execute your code when needed and pay for the actual run time only, without worrying about configuration or management of the underlying physical and application infrastructure.

Azure Functions

Which Azure resource can be managed as a SaaS?

Azure Internet of Things (IoT) Central

_____ represents PaaS because the user does not have full control over the operating system.

Azure SQL Database

_________ is a relational database on the Microsoft SQL server DB engine and provided as a PaaS.

Azure SQL Database

______ is an IaaS offered in Azure, where Microsoft manages the underlying physical infrastructure.

Azure Virtual Machine

An _______ that makes calls to the Azure REST API represents a public cloud deployment model.

Azure WebJob

How can Azure lower capital expenditure (CapEx) costs?

Azure allows you to pay monthly based on usage rather than pay upfront for physical hardware.

An ____ that connects to an on-premises SQL Server database represents a hybrid development model.

Azure web API

An ______ that connects to an Azure SQL Database represents a public cloud deployment model.

Azure web application.

_____ is the spending of money on products and services upfront, and then deducting that expense from your tax bill over time.

CapEx

_______ is the delivery of computing services such as compute power, storage, networking, software, and analytics over the internet.

Cloud computing

PaaS includes: _____

Development Frameworks and Databases

What is an advantage of using a public cloud over a private cloud?

Costs are lower and spread among multiple tenants

The private cloud allows you to deploy resources by having minimal IT experience

False

The responsibility for accounts is transferred to the cloud provider

False

The responsibility for the operating system in PaaS is retained by the customer

False

Using CapEx for infrastructure spending is a good idea when the demand fluctuates or is unknown

False

A company plans to use a custom SaaS application and wants to minimize costs. The company is legally required to maintain and secure all data onsite.

Hybrid model

A company needs to deploy an Ubuntu Linux virtual machine (VM) to run a resource-intensive data analysis application, they should use ____

IaaS

A company needs to transition an on-premises data center to the cloud with minimal impact on users, they should use ____

IaaS

Creating a VM running Windows Server 2016 is an example of ____

IaaS

___ allows you to rent hardware and have control over the OS.

IaaS

_____ allows you to manage applications without controlling the underlying OS

PaaS

A company needs to develop a Web app designed to run on both computers and mobile devices and manage the application lifecycle, they should use _____

PaaS

API Management represents _____. With _____, the user does not have full control over the operating system or an application.

PaaS

Azure SQL Database represents ______

PaaS

The private cloud allows you to deploy _____ in a datacenter where you have access.

Physical Resources

Your company wants to control the methods used to have a high level of security for its resources:

Private Cloud Model

With the private cloud, cloud resources are maintained on a _______ and used exclusively by one business or organization.

Private Network

A company needs to implement a solution where it maintains management control over hardware and infrastructure. The solution can be physically deployed offsite.

Private model

Your organization hosts its e-commerce solution on a computing infrastructure that is provided by a third-party service provider and shared with other organizations. You only pay for the compute power, storage, and networking resources you use. What type of cloud computing is this an example of?

Public Cloud

Your company does not have IT experts or the money to purchase its own servers:

Public Cloud Model

Your company wants to create a virtual network with 10 virtual machines (VMs) and no capital expenditure (CapEx) costs

Public Cloud Model

A company wants to deploy multiple servers to host web applications but want to keep hardware costs and management costs to a minimum. The solution should be highly scalable:

Public model

In a PaaS environment, the provider is responsible for managing:

Runtime, Middleware, Operating System, Virtualization, Servers, Storage, and Networking.

____ is an IaaS offering because you can manage the Linux Operating System

SQL Server 2016 on Linux

A company needs to make productivity applications available to all employees, including those that work from home, on a pay-as-you-go basis, they should use _____

SaaS

With ________, developers deploy code and pay for its run time only, without worrying about the provisioning, configuration, and management of the underlying infrastructure.

Serverless Computing

With the public cloud, cloud resources are owned and operated by a ______ and delivered over the internet.

Service Provider

Disaster Recovery

The ability to restore cloud service in the wake of a catostrophic loss

Scalability

The benefit of cloud computing that allows increasing or decreasing resources to meet predictable workload.

Elasticity

The benefit of cloud computing that allows the automatic increase or decrease of resources to meet spikes and drops in demand.

Agility

The benefit of cloud computing that enables speed and flexibility in allocation and deallocation of required resources.

High Availability

The benefit of cloud computing that keeps resources and services functioning for long periods of time.

Hybrid Cloud

This cloud model is most commonly used when leveraging benefits of running applications from a public cloud while providing additional security in a private cloud or an on-premises datacenter.

The Pay-as-you-go consumption model qualifies as an OpEx

True

The customer always retains responsibility for the data

True

The public cloud allows you to deploy resources without managing the underlying hardware

True

As a client, you pay for the _______ of the selected cloud services and resources using a pay-per-use charging model

actual consumption

You can automatically ____ more disk space as email messages increases. Azure is elastic.

add

Azure does not allow you to pay _____ to reduce the overall costs that are associated with its PaaS offerings.

annually

With ______, you can configure rules that monitor metrics such as requests, memory usage, and central processing unit (CPU) percentage to determine when Azure should automatically add and remove virtual machine (VM) instances.

auto-scale

A private cloud does not require the use of _______

custom developed software

CapEx is usually _______ over time

depreciated

You do not ______ the cost of having an IT staff by moving the infrastructure to the cloud.

eliminate

Azure does not reduce the amount of maintenance that is associated with configuring _____, which would reduce costs.

firewalls

OpEx can be expensed ______

immediately

A private cloud does not require data to be stored in an _______

on-premises datacenter

An ______ is typically used to build a private cloud server because the hardware and software are located at your organization's own on-site datacenter and dedicated to your organization's workload only.

on-premises datacenter

A hybrid cloud is a combination of ________ with a public cloud.

on-premises infrastructure

In a private cloud, computing resources are used exclusively by ____________

one business or organization

Migrating to cloud services enables an organization to budget infrastructure costs as an ________

operational expense

A private cloud does not require each _____ to access applications through a different URL.

tenant

A private cloud requires

the infrastructure to be on a private network

With cloud infrastructure, there are no ______ for cloud customers, because the cost of hardware provisioning and ownership is taken care by the cloud provider.

upfront costs

With a public cloud deployment in Azure, you only need to pay for the ____ of these devices.

usage