Points to discuss:

Setting Up the Environment
Syntax of PowerShell
Cmdlets for Administration
Working with the Windows PowerShell Pipeline
Understanding How the Pipeline Works
Working with Variables, Arrays, and Hash Tables
Basic Scripting
Advanced Scripting
Administering Remote Computers
Getting into the real-life examples of scripting.
Share common questions and scenarios to clear Interview

Queries and Answare for real time issues:

I will answare your queries by showing demo in real time and provide the source code for you which you can directly implement on your organisation IT infra.  

Show the code execution in realtime using mentioned technology:

MSGraph API, Active directory, Exchange onprem, office 356, Azure AD, ServiceNow, MS Orchestration,SQL

My Availablility timings:

I will be available anytime you need to solve problems. you only required to share your machine in remote or if possible i will try to show in my machine for you which you can easily implement wherever you want.