You have to deploy a Terraform script to Azure for the creation of resources. You have to authenticate Azure with the use of a service principal. 
You have to execute the following command for creation of the service principal. 

Which of the following needs to be used to login in with the service principal? Choose three answers from the options given below.

Answer options:

A.service principal name
B.subscription name
C.subscription Id
D.password
E.tenant id

Answer – A, D and E 
You need to use the service principal name, password and tenant ID. These are required when you log in with the service principal. 
Options B and C are incorrect since you don’t have to mention these parameters when you log in with the service principal. 
For more information on getting started with Azure Cloud Shell and Terraform, one can browse to the following URL- 

https://docs.microsoft.com/en-us/azure/developer/terraform/get-started-cloud-shell