Questions

1. What is a valid strategy for minimizing disruption when in-place upgrades are performed?

   a) Use the serial mode to alter how many hosts Ansible performs the upgrade on at one time.

   b) Use the limit parameter to alter how many hosts Ansible performs the upgrade on at one time.

   c) Have lots of small inventories, each with just a few hosts in.

   d) Revoke access to the hosts by Ansible.

2. What is a key benefit of expanding and contracting as an upgrade strategy?

   a) Reduced cloud operating costs.

   b) It fits well with a development-operations (DevOps) culture.

   c) All hosts are newly built for each application deployment or upgrade, reducing the possibility of stale libraries and configurations.

   d) It provides flexibility in your approach to upgrades.

3. Why would you want to fail fast?

   a) So that you know about your playbook errors as soon as possible.

   b) So that you minimize the damage or disruption caused by a failed play.

   c) So that you can debug your code.

   d) So that you can be...