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WorksheetsAzure IoT Hub
Total questions: 59
Worksheet time: 30mins
What can you do with IoT devices added to IoT Hub?
Manage them
Monitor them
Send messages to them
How many IoT devices can you add to a single IoT Hub?
1,000,000
500,000
2,000,000
750,000
From IoT Hub, you can send messages to devices or from your device to IoT Hub.
True
False
What format is used to store the logical equivalent of every IoT device in IoT Hub?
JSON format
XML format
YAML format
CSV format
What is the JSON representation of the device called in IoT Hub?
Device twin
Device shadow
Device profile
Device model
What is IoT Central?
A hardware device for IoT
A SaaS offering for IoT devices
A programming language
A type of network protocol
What is a key difference between IoT Central and IoT Hub?
IoT Central requires creating Azure resources
IoT Hub is a SaaS offering
IoT Central does not require creating Azure resources
IoT Hub gives control over roles
What feature does IoT Central provide regarding user roles?
It does not support user roles
It gives control over who can do what using roles
It automatically assigns roles
It limits the number of roles
What is the role of an Administrator in IoT Central?
Users can edit pages but not perform administrative tasks.
Users have full access to the application and can edit pages and add new users.
Users can use the application but cannot edit any pages
What is the role of a Builder in IoT Central?
Users can edit pages but not perform administrative tasks.
Users have full access to the application and can edit pages and add new users.
Users can use the application but cannot edit any pages.
What is the role of an Operator in IoT Central?
Users can edit pages but not perform administrative tasks.
Users have full access to the application and can edit pages and add new users.
Users can use the application but cannot edit any pages.
What is Azure Sphere?
Azure Sphere is an entire ecosystem that starts with the chip or the microprocessor unit (MCU).
Azure Sphere is a cloud-based service for data analytics.
Azure Sphere is a software development kit for mobile applications.
Azure Sphere is a virtual reality platform for gaming.
Who developed the Azure Sphere MCU?
Microsoft has developed an Azure Sphere MCU that contains security components embedded in the chip.
Google has developed an Azure Sphere MCU that contains security components embedded in the chip.
Apple has developed an Azure Sphere MCU that contains security components embedded in the chip.
Amazon has developed an Azure Sphere MCU that contains security components embedded in the chip.
What operating system does the code run on when using Azure Sphere MCUs?
The code runs on the Azure Sphere operating system, which is a customized version of Linux developed for Azure Sphere.
The code runs on Windows IoT Core.
The code runs on Android OS.
The code runs on FreeRTOS.
What is the data warehousing portion of Azure Synapse?
Synapse SQL
Synapse Analytics
Data Movement Service
Compute Nodes
What can you do using Synapse SQL?
Run powerful queries against big data
Store small data sets
Visualize data
Create machine learning models
What is the role of the Data Movement Service (DMS) in Azure Synapse?
Moves data efficiently between compute nodes
Stores data in the cloud
Analyzes data patterns
Visualizes data
What is HDInsight?
A cloud-based implementation of Hadoop by Microsoft
A type of database
A programming language
A hardware device
What does HDInsight make possible?
Create and manage clusters of computers for distributed processing of big data
Develop mobile applications
Design websites
Manufacture hardware components
What is Azure Databricks an ideal solution for?
Accumulating data and forming it for machine learning models
Developing web applications
Creating mobile apps
Designing graphics
Databricks is the name of a company that originally developed ________.
Apache Spark
Hadoop
TensorFlow
PyTorch
What does Databricks now operate?
A web hosting service
A data analytics platform
A social media network
An online marketplace
What is the basis for AI in Azure Machine Learning?
A learning algorithm
A database system
A cloud storage service
A web hosting platform
What do you do after developing the algorithm in Azure Machine Learning?
Feed test data to it and examine the result.
Deploy the algorithm to a different cloud service.
Delete the algorithm and start over.
Ignore the algorithm and move to another project.
What might you need to do based on the result of the test data in Azure Machine Learning?
Tweak the algorithm.
Ignore the results.
Delete the test data.
Export the data to Excel.
What happens as the algorithm deals with more data in Azure Machine Learning?
It can improve itself by recognizing patterns.
It becomes slower and less efficient.
It requires less computational power.
It loses the ability to generalize.
What does Cognitive Services include that makes it easy to build an ML engine that can extract information from images?
A database
An API called Computer Vision
A programming language
A hardware device
Computer Vision can recognize objects or a scene, but it can also recognize inappropriate content so you can _______ images.
moderate
delete
enhance
ignore
Cognitive Services provides decision APIs that allow you to moderate content in which of the following?
Images
Text
Video
All of the above
What services can Azure Bot Service be connected to?
Slack, Facebook Messenger, Microsoft Teams
Google Hangouts, WhatsApp, Instagram
Twitter, LinkedIn, Snapchat
Each of these is considered a (a) within the Bot Service.
What is Direct Line considered in Azure Bot Service?
A standard channel
A premium channel
A free channel
The concept of serverless computing is:
A model where the cloud provider manages the server infrastructure.
A type of computing where servers are not used at all.
A system where users have to manage their own servers.
A method of computing that requires physical servers on-site.
Why do all cloud providers need surplus capacity?
To handle unexpected demand spikes
To reduce operational costs
To improve data security
To comply with regulations
What is Azure Functions?
Azure Functions is the compute component of Azure’s serverless offerings.
Azure Functions is a database management service.
Azure Functions is a virtual machine service.
Azure Functions is a cloud storage solution.
What can you use Azure Functions for?
To write code without having to worry about deploying that code or creating VMs to run your code.
To manage databases directly without any additional services.
To design complex user interfaces for web applications.
To host virtual machines for large-scale applications.
Apps that use Azure Functions are often referred to as what?
Function Apps
Cloud Services
Web Jobs
Logic Apps
What are Logic Apps similar to in terms of being kicked off by a trigger?
Function Apps
Web Apps
Mobile Apps
Desktop Apps
How many services can Logic Apps integrate with?
More than 50
More than 100
More than 150
More than 200
What are Azure Functions and Azure Logic Apps integrated with?
Event Grid
Service Bus
Azure Storage
Azure SQL Database
What benefit does Event Grid provide in terms of event triggering?
Event Grid allows for real-time event delivery.
Event Grid supports only batch processing of events.
Event Grid does not support event filtering.
Event Grid requires manual polling for events.
How long will Event Grid retry triggering an event if it fails to trigger?
1 hour
6 hours
12 hours
24 hours
Is Event Grid cost-effective?
Yes
No
What is one of the challenges of keeping track of work in a large team?
Communication breakdowns
Increased productivity
Lack of resources
Improved collaboration
When a team is developing a complex application, what is a key factor in ensuring success?
Effective communication among team members
Using the latest technology
Having a large budget
Working long hours
What does Azure DevOps offer to make project management easier?
Azure DevOps offers tools for project management, version control, and continuous integration.
Azure DevOps provides only cloud storage solutions.
Azure DevOps is a hardware manufacturing service.
Azure DevOps is a social media platform.
What is one of the benefits of using Azure DevTest Labs?
It reduces costs for development and testing environments.
It provides a platform for continuous integration and delivery.
It solves problems and adds features helpful for developers and IT departments.
It offers advanced analytics for application performance.
In Azure DevTest Labs, what can be created that is preconfigured for specific purposes?
Virtual Machines (VMs)
Storage Accounts
Resource Groups
Network Interfaces
How do developers use a VM for testing in Azure DevTest Labs?
They look at a list of available VMs and claim the VM they need.
They create a new VM from scratch.
They use a pre-configured VM template.
They delete existing VMs to free up resources.
What is GitHub?
A web portal for repositories managed by a popular open-source system called Git.
A programming language.
A type of database.
A web browser
Who developed Git?
Linus Torvalds
Bill Gates
Steve Jobs
Mark Zuckerberg
What was Git designed for?
To be a fast and efficient way for teams of developers to collaborate on software development.
To create video games.
To manage financial transactions.
To design websites.
When was GitHub released as a hosting platform for Git repositories?
2008
2010
2005
2015
What is the current iteration of the Azure portal in use today?
First
Second
Third
Fourth
Fill in the blank: Everything that you do in the Azure portal calls (a) on the back end.
What can you use to manage your Azure resources if you are a PowerShell user?
Azure CLI
Azure PowerShell Az module
Azure Portal
Azure SDK
The Azure PowerShell Az module offers cross-platform support for which operating systems?
Windows
Linux
macOS
All of the above
Azure CLI can be scripted using shell scripts in various languages. Which of the following languages can be used?
Python
Ruby
Java
All of the above
Azure CLI is cross-platform and works on Windows, Linux, and macOS as long as you use the 2.0 version or later.
True
False
