Creating a Traffic Manager profile using Azure CLI 2.0 does not require all the parameters required for PowerShell; it only needs the RelativeDnsName, but its format in Azure CLI is unique-dns-name. So, to get the Traffic Manager profile created using Azure CLI 2.0, you need to run the following command:

az network traffic-manager profile create --name CLIProfile --resource-group PacktPub --routing-method Performance --unique-dns-name PacktCLI