Device provisioning and registry in IOT Protocols - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to register a new device in the registry.

IOT Protocols

registry.register_device(device_id=[1])

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A"device123"

Bdevice123

C123device

Ddevice-123

Attempts:

3 left

💡 Hint

Common Mistakes

Forgetting to put quotes around the device ID.

The device ID must be a string, so it needs quotes around it.

2fill in blank

medium

Complete the code to provision a device using the correct method.

IOT Protocols

provisioning_client.[1](device_id)

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Aprovision_device

Bdelete_device

Clist_devices

Dupdate_device

Attempts:

3 left

💡 Hint

Common Mistakes

Using methods that manage devices but don't provision them.

The method to start device provisioning is provision_device.

3fill in blank

hard

Fix the error in the code to fetch device info from the registry.

IOT Protocols

device_info = registry.get_device([1])

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A"device_id"

Bdevice_id

CdeviceInfo

Ddevice-id

Attempts:

3 left

💡 Hint

Common Mistakes

Passing the device ID as a string literal instead of a variable.

The method expects a variable holding the device ID, not a string literal.

4fill in blank

hard

Fill both blanks to create a dictionary of devices filtered by status.

IOT Protocols

filtered_devices = {device: info for device, info in registry.devices.items() if info['[1]'] == '[2]'}

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Astatus

Bactive

Cinactive

Ddevice_id

Attempts:

3 left

💡 Hint

Common Mistakes

Using wrong keys or status values in the filter.

The dictionary filters devices where the status is active.

5fill in blank

hard

Fill all three blanks to create a registry update for devices with low battery.

IOT Protocols

low_battery_devices = { [1]: [2] for [1] , [2] in registry.devices.items() if [2]['battery'] < 20 }

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Adevice_id

Binfo

Cdevice

Dstatus

Attempts:

3 left

💡 Hint

Common Mistakes

Using inconsistent variable names in the comprehension.

The dictionary comprehension uses device as the key and info as the value for devices with battery less than 20.