fix links

Author: chuckb1300

articles/certification/how-to-test-pnp.md

@@ -26,7 +26,7 @@ This article shows you how to:
 The application code that runs on your IoT Plug and Play must:
 
 - Connect to Azure IoT Hub using the [Device Provisioning Service (DPS)](../iot-dps/about-iot-dps.md).
-- Follow the [IoT Plug an Play conventions](../iot-develop/concepts-convention.md) to implement of telemetry, properties, and commands.
+- Follow the [IoT Plug an Play conventions](../iot-develop/concepts-developer-guide-device) to implement of telemetry, properties, and commands.
 
 The application is software that's installed separately from the operating system or is bundled with the operating system in a firmware image that's flashed to the device.
 
@@ -49,15 +49,15 @@ The following steps show you how to prepare for and run the certification tests
 
 ### Install the Azure IoT extension for the Azure CLI
 
-See the installation instructions to set up the [Azure CLI](/cli/azure/?view=azure-cli-latest) in your environment.
+See the installation instructions to set up the [Azure CLI](../../cli/azure/iot?view=azure-cli-latest) in your environment.
 
 To install the Azure IoT Extension, run the following command:
 
 ```azurecli
 az extension add --name azure-iot
 ```
 
-To learn more, see [Azure CLI for Azure IoT](/cli/azure/azure-cli-reference-for-iot?view=azure-cli-latest).
+To learn more, see [Azure CLI for Azure IoT](../../cli/azure/iot/product?view=azure-cli-latest).
 
 ### Create a new product test
 
@@ -71,7 +71,7 @@ az iot product test create --badge-type Pnp --at SymmetricKey --device-type Fini
 ```
 
 > [!NOTE]
-> You need to [sign in](/cli/azure/authenticate-azure-cli?view=azure-cli-latest) to your subscription when you use the CLI.
+> You need to [sign in](../../cli/azure/authenticate-azure-cli?view=azure-cli-latest) to your subscription when you use the CLI.
 
 The JSON output from the command contains the `primaryKey`, `registrationId`, and `scopeID` to use when you connect your device.