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
