Describe core solutions and management tools on Azure

Question 1

What’s IoT?

Answer 1

IoT enables devices to gather and then relay information for data analysis

Question 2

Let’s suppose your company manufactures and operates smart refrigerated vending machines. What kinds of information would you want to monitor?

Answer 2

You might wanna ensure that:

Each machine is operating without any errors.

The machines haven't been compromised.

The machines' refrigeration systems are keeping their contents within a certain temperature range.

You're notified when products reach a certain inventory level so you can restock the machines.

Question 3

what’s Azure IoT Hub?

Answer 3

Azure IoT Hub is a managed service that’s hosted in the cloud and that acts as a central message hub for bi-directional communication between your IoT application and the devices it manages. You can use Azure IoT Hub to build IoT solutions with reliable and secure communications between millions of IoT devices and a cloud-hosted solution back end. You can connect virtually any device to your IoT hub.

Question 4

what’s Azure IoT Central?

Answer 4

Azure IoT Central builds on top of IoT Hub by adding a dashboard that allows you to connect, monitor, and manage your IoT devices.

Question 5

what’s Azure Sphere?

Answer 5

Azure Sphere creates an end-to-end, highly secure IoT solution for customers that encompasses everything from the hardware and operating system on the device to the secure method of sending messages from the device to the message hub.

Question 6

which is bets IoT for this situation, it’s critical to ensure that the device is not compromised?

Answer 6

When security is a critical consideration in your product’s design, the best product option is Azure Sphere, which provides a comprehensive end-to-end solution for IoT devices.

Question 7

which is bets IoT for this situation, do I need a dashboard for reporting and management?

Answer 7

if you want a pre-built customizable user interface with which you can view and control your devices remotely, you might prefer to start with IoT Central. With this solution, you can control a single device or all devices at once, and you can set up alerts for certain conditions, such as a device failure.

Question 8

When can we use the azure IoT hud?

Answer 8

It’s ideal when e need integrate the telemetry data and all other functionality into existing maintenance requests

and bi-direcional comunication

Question 9

when can we use the azure IoT central?

Answer 9

It’s ideal when we need a dashboard for reporting and management

Question 10

when can we use the azure Sphere?

Answer 10

It’s ideal when e need to ensure that all devices on other things not be compromised

Question 11

Question:

A company wants to build a new voting kiosk for sales to governments around the world. Which IoT technologies should the company choose to ensure the highest degree of security?

Answer 11

Azure Sphere

That’s correct. Azure Sphere provides the highest degree of security to ensure the device has not been tampered with.

Question 12

Question:

A company wants to quickly manage its individual IoT devices by using a web-based user interface. Which IoT technology should it choose?

Answer 12

IoT Central

That’s correct. IoT Central quickly creates a web-based management portal to enable reporting and communication with IoT devices.

Question 13

Question:

You want to send messages from the IoT device to the cloud and vice versa. Which IoT technology can send and receive messages?

Answer 13

IoT Hub

That’s correct. An IoT hub communicates to IoT devices by sending and receiving messages.

Question 14

what’s Azure Machine Learning?

Answer 14

Azure Machine Learning is a platform for making predictions. It consists of tools and services that allow you to connect to data to train and test models to find one that will most accurately predict a future result. After you’ve run experiments to test the model, you can deploy and use it in real time via a web API endpoint.

Question 15

What’s Azure Cognitive Services?

Answer 15

Azure Cognitive Services provides prebuilt machine learning models that enable applications to see, hear, speak, understand, and even begin to reason. Use Azure Cognitive Services to solve general problems, such as analyzing text for emotional sentiment or analyzing images to recognize objects or faces

Question 16

What’s Azure bot service?

Answer 16

Azure Bot Service and Bot Framework are platforms for creating virtual agents that understand and reply to questions just like a human. Azure Bot Service is a bit different from Azure Machine Learning and Azure Cognitive Services in that it has a specific use case. Namely, it creates a virtual agent that can intelligently communicate with humans.

Question 17

When use Azure bot services ?

Answer 17

Use Azure Bot Service when you need to create a virtual agent to interact with humans by using natural language.

Question 18

When use Azure Cognitive Services?

Answer 18

Use Azure Cognitive Services when it comes to general-purpose tasks, such as performing a speech to text, integrating with search, or identifying the objects in an image, or when you need to predict the behavior or provides users with personalized recommendations in your app

Question 19

when use Azure Machine Learning?

Answer 19

Choose Azure Machine Learning when you need to analyze data to predict future outcomes, or when you need use your our data

Question 20

Question:

You need to predict future behavior based on previous actions. Which product option should you select as a candidate?

Answer 20

Azure Machine Learning

That’s correct. Azure Machine Learning enables you to build models to predict the likelihood of a future result. It should not be eliminated as a candidate.

Question 21

Question:

You need to create a human-computer interface that uses natural language to answer customer questions. Which product option should you select as a candidate?

Answer 21

Azure Bot Service

That’s correct. Azure Bot Service creates virtual agent solutions that utilize natural language. It should not be eliminated as a candidate.

Question 22

Question:

You need to identify the content of product images to automatically create alt tags for images formatted properly. Which product option is the best candidate

Answer 22

Azure Cognitive Services

That’s correct. Azure Cognitive Services includes Vision services that can identify the content of an image. Azure Cognitive Services is the best candidate.

Question 23

What’s Azure Functions?

Answer 23

With the Azure Functions service, you can host a single method or function by using a popular programming language in the cloud that runs in response to an event.

The Azure Functions solution is ideal when you’re concerned only with the code that’s running your service and not the underlying platform or infrastructure

Question 24

What’s Azure Logic Apps?

Answer 24

Logic Apps is a low-code/no-code development platform hosted as a cloud service.

Question 25

When use the Azure Functions?

Answer 25

you need to execute custom algorithms or perform specialized data parsing and data lookups

Question 26

When use the Azure logic Apps?

Answer 26

Azure Logic Apps was designed with orchestration in mind, from the web-based visual configurator to the pricing model (you need to perform an orchestration across well-known APIs)

If you already have your orchestration or business logic expressed in C#, Java, Python, or another popular programming language

Question 27

Question:

You need to process messages from a queue, parse them by using some existing imperative logic written in Java, and then send them to a third-party API. Which serverless option should you choose?

Azure Functions
Azure logic apps

Answer 27

Azure Functions

Azure Functions is the correct choice because you can use existing Java code with minimal modification.

Question 28

Question:

You want to orchestrate a workflow by using APIs from several well-known services. Which is the best option for this scenario?

Answer 28

Azure Logic Apps

Azure Logic Apps makes it easy to create a workflow across well-known services with less effort than writing code and manually orchestrating all the steps yourself.

Question 29

Question:

Your team has limited experience with writing custom code, but it sees tremendous value in automating several important business processes. Which of the following options is your team’s best option?

azure functions

azure logic apps

Answer 29

Azure Logic Apps

Azure Logic Apps is best suited for users who are more comfortable in a visual environment that allows them to automate their business processes. Logic Apps is the best option in this scenario.

Question 30

What’s Azure DevOps Services?

Answer 30

Azure DevOps Services is a suite of services that address every stage of the software development lifecycle.

Azure Repos is a centralized source-code repository where software development, DevOps engineering, and documentation professionals can publish their code for review and collaboration.

Azure Boards is an agile project management suite that includes Kanban boards, reporting, and tracking ideas and work from high-level epics to work items and issues.

Azure Pipelines is a CI/CD pipeline automation tool.

Azure Artifacts is a repository for hosting artifacts, such as compiled source code, which can be fed into testing or deployment pipeline steps.

Azure Test Plans is an automated test tool that can be used in a CI/CD pipeline to ensure quality before a software release.

Question 31

What’s Azure DevTest Labs?

Answer 31

Azure DevTest Labs provides an automated means of managing the process of building, setting up, and tearing down virtual machines (VMs) that contain builds of your software projects. This way, developers and testers can perform tests across a variety of environments and builds.

Question 32

What’s GitHub and GitHub Actions?

Answer 32

GitHub is arguably the world’s most popular code repository for open-source software. Git is a decentralized source-code management tool, and GitHub is a hosted version of Git that serves as the primary remote.

Question 33

When use the GitHub and Git?

Answer 33

If is necessary building open-source software use it

Question 34

When use the DevTest labs?

Answer 34

If your aim is to automate the creation and management of a test lab environment, consider choosing Azure DevTest Labs.

Question 35

When use the DevOps service?

Answer 35

Azure DevOps has a much more granular set of permissions that allow organizations to refine who is able to perform most operations across the entire toolset.(when you need diferent kinds of permissions)

Azure DevOps is highly customizable, which allows an administrator to add custom fields to capture metadata and other information alongside each work item.(For generates report)

Question 36

Question:

Which of the following choices would not be used to automate a CI/CD process?

Azure Pipelines

GitHub Actions

Azure Boards

Answer 36

Azure Boards

Azure Boards is an agile project-management tool. It would not be used to automate a CI/CD process.

Question 37

Question:

Which service could help you manage the VMs that your developers and testers need to ensure that your new app works across various operating systems?

Azure DevTest Labs

Azure Test Labs

Azure Repos

Answer 37

Azure DevTest Labs

Azure DevTest Labs is used to manage VMs for testing, including configuration, provisioning, and automatic de-provisioning.

Question 38

Question:

Which service lacks features to assign individual developers tasks to work on?

Answer 38

Azure Pipelines

Azure Pipelines is a CI/CD tool for building an automated toolchain. It lacks features to assign tasks for individual developers to work on. However, it can automate other tools to assign tasks to users.

Question 39

What’s Azure portal?

Answer 39

By using the Azure portal, a web-based user interface, you can access virtually every feature of Azure. The Azure portal provides a friendly, graphical UI to view all the services you’re using, create new services, configure your services, and view reports.

Question 40

What’s Azure mobile app?

Answer 40

The Azure mobile app provides iOS and Android access to your Azure resources when you’re away from your computer. With it, you can:

Monitor the health and status of your Azure resources.

Check for alerts, quickly diagnose and fix issues, and restart a web app or virtual machine (VM).

Run the Azure CLI or Azure PowerShell commands to manage your Azure resources.

Question 41

What’s Azure PowerShell?

Answer 41

Azure PowerShell is a shell with which developers and DevOps and IT professionals can execute commands called cmdlets (pronounced command-lets). These commands call the Azure Rest API to perform every possible management task in Azure. Cmdlets can be executed independently or combined into a script file and executed together to orchestrate:

The routine setup, teardown, and maintenance of a single resource or multiple connected resources.
The deployment of an entire infrastructure, which might contain dozens or hundreds of resources, from imperative code.

Capturing the commands in a script makes the process repeatable and automatable.

Azure PowerShell is available for Windows, Linux, and Mac, and you can access it in a web browser via Azure Cloud Shell.

Windows PowerShell has helped Windows-centric IT organizations automate many of their on-premises operations for years, and these organizations have built up a large catalog of custom scripts and cmdlets, as well as expertise.

Question 42

What’s Azure CLI?

Answer 42

The Azure CLI command-line interface is an executable program with which a developer, DevOps professional, or IT professional can execute commands in Bash. The commands call the Azure Rest API to perform every possible management task in Azure.

Question 43

What’s ARM templates?

Answer 43

Although it’s possible to write imperative code in Azure PowerShell or the Azure CLI to set up and tear down one Azure resource or orchestrate an infrastructure comprising hundreds of resources, there’s a better way to implement this functionality.

Question 44

When use ARM templates?

Answer 44

ARM templates define your application’s infrastructure requirements for a repeatable deployment that is done in a consistent manner

Use ARM to scale fast when you need make the same resource, using json declarative

Question 45

When use or Azure Powershell?

Answer 45

Use this method if your team has knowledge about Windows administrator

Question 46

When use Azure Portal?

Answer 46

If you need view data visually or creating reports, the azure portal is better choice

Question 47

When use Azure mobile?

Answer 47

If you don’t have a computer available, use the mobile app to do tasks

Question 48

When use Azure CLI?

Answer 48

Use this method if your team has knowledge about Linux administrator

Question 49

Question:

As an administrator, you need to retrieve the IP address from a particular VM by using Bash. Which of the following tools should you use?

ARM templates

Azure PowerShell

The Azure portal

The Azure CLI

Answer 49

The Azure CLI

The Azure CLI enables you to use Bash to run one-off tasks on Azure.

Question 50

Question:

You’re a developer who needs to set up your first VM to host a process that runs nightly. Which of the following tools is your best choice?

ARM templates

Azure PowerShell

The Azure portal

The Azure CLI

Answer 50

The Azure portal

The Azure portal is a great place for newcomers to learn about Azure and set up their first resources.

Question 51

Question:

What is the best infrastructure-as-code option for quickly and reliably setting up your entire cloud infrastructure declaratively?

ARM templates

Azure PowerShell

The Azure portal

The Azure CLI

Answer 51

ARM templates

ARM templates are the best infrastructure-as-code option for quickly and reliably setting up your entire cloud infrastructure declaratively.

Question 52

What can we do using combination of monitoring solutions on Azure?

Answer 52

Gain answers, insights, and alerts to help ensure that you’ve optimized your cloud usage.

Ascertain the root cause of unplanned issues.

Prepare ahead of time for planned outages.

Question 53

What’s Azure Advisor?

Answer 53

Azure Advisor evaluates your Azure resources and makes recommendations to help improve reliability, security, and performance, achieve operational excellence, and reduce costs. Advisor is designed to help you save time on cloud optimization.

Question 54

what notifications can azure advisor show you?

Answer 54

Reliability: Used to ensure and improve the continuity of your business-critical applications.
Security: Used to detect threats and vulnerabilities that might lead to security breaches.
Performance: Used to improve the speed of your applications.
Cost: Used to optimize and reduce your overall Azure spending.
Operational Excellence: Used to help you achieve process and workflow efficiency, resource manageability, and deployment best practices.

Question 55

What’s Azure Monitor?

Answer 55

Azure Monitor is a platform for collecting, analyzing, visualizing, and potentially taking action based on the metric and logging data from your entire Azure and on-premises environment.

Question 56

What’s Azure Application Insights?

Answer 56

a service for sending telemetry information from application source code to Azure, uses Azure Monitor under the hood.

Question 57

What’s Azure Service Health?

Answer 57

Azure Service Health provides a personalized view of the health of the Azure services, regions, and resources you rely on.

Question 58

what kind of Health service helps you to keep an eye on ?

Answer 58

Service issues are problems in Azure, such as outages, that affect you right now. You can drill down to the affected services, regions, updates from your engineering teams, and find ways to share and track the latest information.

Planned maintenance events can affect your availability. You can drill down to the affected services, regions, and details to show how an event will affect you and what you need to do. Most of these events occur without any impact to you and aren’t shown here. In the rare case that a reboot is required, Service Health allows you to choose when to perform the maintenance to minimize the downtime.

Health advisories are issues that require you to act to avoid service interruption, including service retirements and breaking changes. Health advisories are announced far in advance to allow you to plan.

Question 59

When use Azure Service Health?

Answer 59

If you want to keep tabs on Azure itself, especially the services and regions you depend on, you want to choose Azure Service Health. You can view the current status of the Azure services you rely on, upcoming planned outages, and services that will be sunset. You can set up alerts that help you stay on top of incidents and upcoming downtime without having to visit the dashboard regularly.

Question 60

When use Azure Monitor?

Answer 60

Choose Azure Monitor when you want to measure custom events alongside other collected telemetry data. Custom events, such as those added in the source code of your software applications, could help identify and diagnose why your application is behaving a certain way.

you would use Azure Monitor to set up alerts for key events that are related to your specific resources.

Question 61

When use Azure Advisor?

Answer 61

Choose Azure Advisor when you’re looking for an analysis of your deployed resources. Azure Advisor analyzes the configuration and usage of your resources and provides suggestions on how to optimize for reliability, security, performance, costs, and operations based on experts’ best practices.

Question 62

Question:

You want to be alerted when new recommendations to improve your cloud environment are available. Which service will do this?

Azure Advisor

Azure Monitor

Azure Service Health

Answer 62

Azure Advisor

Azure Advisor can alert you when new recommendations are available.

Question 63

Question:

Which service provides official outage root cause analyses (RCAs) for Azure incidents?

Azure Advisor

Azure Monitor

Azure Service Health

Answer 63

Azure Service Health

Azure Service Health provides incident history and RCAs to share with your stakeholders.

Question 64

Question:

Which service is a platform that powers Application Insights, monitoring for VMs, containers, and Kubernetes?

Azure Advisor

Azure Monitor

Azure Service Health

Answer 64

Azure Monitor

Azure Monitor is the platform used by Application Insights.

Question 65

big data

what is Azure Synapse Analytics?

Answer 65

Azure Synapse Analytics (formerly Azure SQL Data Warehouse) is a limitless analytics service that brings together enterprise data warehousing and big data analytics. You can query data on your terms by using either serverless or provisioned resources at scale. You have a unified experience to ingest, prepare, manage, and serve data for immediate BI and machine learning needs.

Question 66

What is Azure HDInsight?

Answer 66

Azure HDInsight is a fully managed, open-source analytics service for enterprises. It’s a cloud service that makes it easier, faster, and more cost-effective to process massive amounts of data. You can run popular open-source frameworks and create cluster types such as Apache Spark, Apache Hadoop, Apache Kafka, Apache HBase, Apache Storm, and Machine Learning Services. HDInsight also supports a broad range of scenarios such as extraction, transformation, and loading (ETL), data warehousing, machine learning, and IoT.

Question 67

what is Azure Databricks?

Answer 67

Azure Databricks helps you unlock insights from all your data and build artificial intelligence solutions. You can set up your Apache Spark environment in minutes, and then autoscale and collaborate on shared projects in an interactive workspace. Azure Databricks supports Python, Scala, R, Java, and SQL, as well as data science frameworks and libraries including TensorFlow, PyTorch, and scikit-learn.