RESTful API design for devices in IOT Protocols - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to specify the HTTP method for retrieving device data.

IOT Protocols

curl -X [1] http://api.example.com/devices/123

Drag options to blanks, or click blank then click option'

APOST

BGET

CDELETE

DPUT

Attempts:

3 left

💡 Hint

Common Mistakes

Using POST instead of GET to retrieve data.

Confusing DELETE with GET.

The GET method is used to retrieve data from a server without changing it.

2fill in blank

medium

Complete the code to update device settings using the correct HTTP method.

IOT Protocols

curl -X [1] -d '{"mode":"eco"}' http://api.example.com/devices/123/settings

Drag options to blanks, or click blank then click option'

AHEAD

BGET

CPUT

DDELETE

Attempts:

3 left

💡 Hint

Common Mistakes

Using GET instead of PUT for updates.

Using DELETE when intending to update.

PUT is used to update or replace a resource on the server.

3fill in blank

hard

Fix the error in the API endpoint to correctly delete a device.

IOT Protocols

curl -X DELETE http://api.example.com/devices/[1]

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A123

Bdevice_id

Csettings

Dupdate

Attempts:

3 left

💡 Hint

Common Mistakes

Using a placeholder name instead of the actual device ID.

Using 'settings' or 'update' in the URL when deleting.

The endpoint must specify the device ID to delete that specific device.

4fill in blank

hard

Fill both blanks to create a JSON response showing device status and battery level.

IOT Protocols

{
  "status": "[1]",
  "battery": [2]
}

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Aonline

Boffline

C85

D100

Attempts:

3 left

💡 Hint

Common Mistakes

Putting battery level in quotes making it a string.

Using 'offline' when the device is online.

The device is online and the battery level is 85 percent.

5fill in blank

hard

Fill all three blanks to define a RESTful API route for creating a new device with POST method.

IOT Protocols

POST [1] HTTP/1.1
Host: api.example.com
Content-Type: [2]

[3]

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A/devices

Bapplication/json

C{"name":"SensorX","type":"temperature"}

D/device

Attempts:

3 left

💡 Hint

Common Mistakes

Using singular '/device' instead of '/devices'.

Wrong content type like 'text/plain'.

Missing or invalid JSON body.

The POST request targets the '/devices' endpoint with JSON content type and a JSON body describing the new device.