I am working as a DevOps Engineer, Need 750 words of explanation how it relate to 2 of my subjects1. Access Control and 2. Bussiness Continuity Plan & Disaste Recovery Plan

I am working as a DevOps Engineer, Need 750 words of explanation how it relate to 2 of my subjects

1. Access Control and 2. Bussiness Continuity Plan & Disaste Recovery Plan