computer security and network

 The total word count must be 250 to 300 words in your posting. (20 points)Please provide references for your original postings in APA format.

  1. Is it better to have an in-house CA or a public CA? Which trust domain model is the best?
  2. A datacenter has just been dropped in this very room. We will not be able to move it. We are stuck with it here. The information is highly sensitive. What do we need to do in order to physically secure this equipment and the information?