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Monitor and troubleshoot an IoT solution by using Azure Monitor Microsoft Quiz Answers
Get Monitor and troubleshoot an IoT solution by using Azure Monitor Microsoft Quiz Answers
You will learn about the solution monitoring tools available in Azure and how to apply them to the IoT Hub service, and how to create event logs that can be used to help troubleshoot your solution.
This learning path helps prepare you for Exam AZ-220: Microsoft Azure IoT Developer.
Prerequisites:
Ability to:
- Demonstrate a general understanding of cloud-based solutions, Azure, and Azure services.
- Explain the features and capabilities of IoT Hub and implement secure device-to-cloud communication between an IoT device and an IoT hub instance.
Module 1: Examine Azure IoT solution monitoring and logging
This module introduces you to Azure Monitor and how to configure monitoring and logging of events using IoT Hub metrics, and it examines the relationship between IoT Hub service limits and device lifecycle events.
Learning objectives:
After you complete this module, you will be able to:
- Describe Azure Monitor support.
- Describe IoT Hub metrics and resource logs.
- Describe IoT device connection state monitoring and lifecycle events.
- Describe IoT Hub service limits and their impact on monitoring.
Prerequisites:
Ability to:
- Demonstrate a general understanding of cloud-based solutions, Azure, and Azure services.
- Explain the features and capabilities of IoT Hub and implement secure device-to-cloud communication between an IoT device and an IoT hub instance.
This module is part of these learning paths:
Quiz 1: Knowledge check
Q1. A developer has detected instances when telemetry is not being received by IoT Hub. The issue always occurs during peak business periods. It appears that devices are connected to IoT hub when this issue occurs. Which of the following statements about message throttling is true?
- The IoT Hub tier edition (1-3) determines the throttling limits that IoT Hub enforces on all operations.
- All messaging attempts in excess of throttle limits are queued and eventually received.
- IoT Hub caches incoming messages for later retrieval if the number of queued messages exceeds the queue size limit.
Q2. A developer wants to track the total number of devices that are connected to IoT Hub. They also want to track the percentage of deployed devices that are connected at any given time. What is the correct way to check the connected/disconnected state of a device?
- Query the connectionState field of the IoT Hub identity registry
- Maintain a record of the last message received from each device.
- Use device twin desired and reported properties that can be used to track connection state.
Module 2: Troubleshoot device connections and communication
This module introduces you to troubleshooting device connection and communications issues, and it examines best practice approaches and troubleshooting guidelines that apply to device connections.
Learning objectives:
After you complete this module, you will be able to:
- Describe device connection best practices.
- Describe the device communication troubleshooting guide.
Prerequisites:
Ability to:
- Demonstrate a general understanding of cloud-based solutions, Azure, and Azure services.
- Explain the features and capabilities of IoT Hub and implement secure device-to-cloud communication between an IoT device and an IoT hub instance.
This module is part of these learning paths:
Quiz 1: Knowledge check
Q1. A developer is writing code that will implement the device connection “retry” pattern. The first step in the code is to detect an error. What is the next step in the process that the code should implement?
- Retry according to the specified retry policy.
- Filter by error type and decide if a retry is needed.
- Determine whether the error is an unrecoverable error.
Q2. What are the three retry policies that are supported by the IoT SDKs?
- Scheduled retry, Custom retry, No retry
- Exponential back-off, Custom back-off, No retry
- Exponential back-off, Custom retry, No retry
Module 3: Explore IoT Hub monitoring
This module provides you with experience configuring IoT Hub monitoring for your solution, setting up and triggering alerts, and reviewing the diagnostics logs.
Learning objectives:
After you complete this module, you will be able to:
- Enable IoT Hub diagnostics logs and metrics.
- Configure alerts for IoT Hub metrics.
- Trigger alerts and verify records in the diagnostics log.
Prerequisites:
Ability to:
- Demonstrate a general understanding of cloud-based solutions, Azure, and Azure services.
- Explain the features and capabilities of IoT Hub and implement secure device-to-cloud communication between an IoT device and an IoT hub instance.
- Describe Azure Monitor support and IoT Hub metrics.
- Describe IoT device connection state and lifecycle events.
This module is part of these learning paths:
Quiz 1: Knowledge check
Q1. What does Azure Monitor do to help manage an IoT solution?
- It monitors the IoT devices.
- It monitors the IoT device telemetry.
- It monitors the IoT Hub.
Q2. Which of the following statements about IoT Hub Metrics is correct?
- IoT Hub metrics help to assess the overall health of the IoT Hub service.
- IoT Hub metrics will help to assess the overall health of the devices connected to your IoT Hub.
- IoT Hub metrics are disabled by default.
Conclusion:
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