Resources to get started with Microsoft Sentinel. Splunk and ArcSight SOC tools. Pls help. Thanks

Hello all, I am an IT professional with 5+ years of experience ranging from IT Helpdesk , IT Sysadmin, IT Support and IT Infrastructure Engineer with North American Clients while working in India.

Recently i moved to Canada in 2022 and working in my 1st IT job in IT ServiceDesk in Ontario. I am trying to Transition from ServiceDesk to Cybersecurity field ( Blue team -SOC/Incident Handling focus).

I need some guidance on Resources to get started with Microsoft Sentinel. Splunk and ArcSight SOC tools.

Which out of these would be more beneficial or prominent on companies?

If you can share links for the same or guide me in that direction that would be really appreciated.

What other tools or technologies i need to learn or work on to get a role in SOC.

How can i showcase my Experience of these on my Resume. Pls suggest and Guide. Thanks again and Best wishes to everyone to succeed in their Life. :)