What type of credential is used for accessing system accounts on your remote Linux hosts via SSH in Ansible Tower?

Install and configure ansible
Userbobhas been created on your control node. Give him the appropriate permissions on thecontrol node.
Install the necessary packages to run ansible on the control node.
Create a configuration file /home/bob/ansible/ansible.cfg to meet the following requirements:
* The roles path should include /home/bob/ansible/roles, as well as any otherpath that may be required for the course of the sample exam.
* The inventory file path is /home/bob/ansible/inventory.
* Ansible should be able to manage 10 hosts at a single time.
* Ansible should connect to all managed nodes using the bobuser.
Create an inventory file for the following five nodes:
nodel.example.com
node2.example.com
node3.example.com
node4.example.com
node5.example.com
Configure these nodes to be in an inventory file where node1 is a member of groupdev.nodc2 is a member of group test, nodc3 is a member of group nodc4 and node 5 are members of groupprod.Also,prodis a member of group webservers.

Which of these are valid as the first thing in a playbook? (Choose all that apply.)

What switch needs to be added to prevent the following command from failing:
ansible all -m user -a "name=jsmith state=present"

State whether the following statement is true or false.
The command ansible-galaxy init won't create the file structure you need for roles.