How many nodes exist in a SQL Server cluster

I am Microsoft SQL Server DB Consultant with total years Experience +10 years in SQL Server technology starting from 2005 to 2019, I am working as of now in the Banking sector, in one of the biggest banking in KSA (Bank Albilad), the core banking system on SQL Server DB (8 TB) and managing around 200 DB Servers AS Production servers plus other environments UAT, SIT and staging servers, I have High-level experience in Database Administration, Performance Tuning, disaster recovery, development (T-SQL), SSRS. And Good Experiences in SSIS, SSAS AZURE DB, Automation (Power-Shell + TSQL). you can find below some information for my technical activity.  I am the founder of the SQL Community:http://MostafaElmasry.com/ and http://www.sqlidol.com/.  LinkedIn Account: https://www.linkedin.com/in/mostafaelmasry  Technical Author in SQL Shack community: http://www.sqlshack.com/author/mustafaelmasry/  Certification: SQL Server 2008,2016 Certified, Azure Certified (MCTIP, MCSA, MCSE, MCT) and planning for Azure Data Engineer certification and Big data as well https://www.youracclaim.com/users/mustafa-elmasry  One of the Top blogger on the Middle East in SQL Server: Around 300 SQL Server Article I published it in multiple SQL Server Communities in the Middle East, also I have Arabic posts on MSDN  https://msdn.microsoft.com/ar-sa/library/dn974980.aspx  https://msdn.microsoft.com/ar-sa/library/mt131032.aspx  https://msdn.microsoft.com/ar-sa/library/mt147014.aspx  https://msdn.microsoft.com/ar-sa/library/mt131033.aspx  https://msdn.microsoft.com/ar-sa/library/mt131034.aspx For any other information I am ready to provide it to you at any time Kindly feel free to contact me at any time over email {Eng.Mostafa_Elmasry@WindowsLive.Com} or by phone {+966 543990968} Thanks View all posts by Mustafa EL-Masry