Zabbix deployment help - 3 server

[saifkhantm]

Hi
I'm new to Zabbix..
deploying a 3 server implementation.

Q1. Can someone pls guide me, where i can find 3 server deployment info?
ie.,
1x server for Zabbix server
1x server for Zabbix DB
1x server for Zabbix Web

All are being deployed on CentOS 7
Using 1CPU, 4GBram, 60GB

Q2. Is the Zabbix proxy to Zabbix sercer communciation secure?
How do i enable SSL encryption between these to?

Thanks for your help.