Red Hat Red Hat Certifications EX407 Questions & Answers

• Question 41:

  If a valid playbook contains serial: 20 and the ansible-playbook command running that playbook is passed '-f 10' and targets an inventory of 15 servers, what is the maximum number of forks will exist at any one time during play execution?

  A. 20

  B. 15

  C. 5

  D. 10

  Correct Answer: D

  The -f 10 will allow no more that 10 forks to run at once even though serial is set to 20.

• Question 42:

  What are the minimum configurations that must be made to install Ansible Tower?

  A. You must provide a target host and set some key user passwords.

  B. You must generate an SSL certificate for the Ansible Tower web frontend.

  C. You must specify a few key user passwords.

  D. PROJECTS_ROOT must be configured.

  Correct Answer: D

  This is the only required configuration change needed prior to installation.

• Question 43:

  Consider the following file. authors:

  -joe

  -john

  editors:

  -frank

  managers:

  editing: josh

  authoring: sam

  How many lists are defined in the provided file?

  A. 3

  B. 0

  C. 2

  D. 1

  Correct Answer: C

  There are two lists in the file. Note use of the hyphens.

• Question 44:

  What Ansible variable allows access to internal Ansible data?

  A. Ansible Facts

  B. Magic Variables

  C. Dictionary Variables

  D. Environment Variables

  Correct Answer: B

  Magic variables allow access to internal Ansible data such as host groups and inventory hosts.

• Question 45:

  Where are custom facts defined on a host?

  A. /etc/ansible/facts.d/

  B. /etc/ansible//*.fact

  C. /etc/ansible/facts.d/*.fact

  D. /etc/ansible/facts.db

  Correct Answer: C

  Custom facts are gathered from all files with the .fact extension in /etc/ansible/facts.d.

• Question 46:

  Consider the provided dictionary variable definition:

  drives: name: hd1 type: physical size: 1G

  Which of the following are valid ways to retrieve data from this dictionary? (Choose all that apply.)

  A. {{ drives[`type'] }}

  B. {{ drives-name }}

  C. {{ drives }}

  D. {{ drives.size }}

  Correct Answer: ACD

  {{ drives }}: This will return the whole dictionary.

  {{ drives.size }}: This will return the size value for the drives dictionary.

• Question 47:

  How are facts collected? (Choose all that apply.)

  A. During playbook execution.

  B. Ansible agents push facts to the control node.

  C. The Ansible control node periodically polls the hosts in the inventory.

  D. The setup module.

  Correct Answer: AD

  The setup module collects facts.

• Question 48:

  What formats may variables specified on the command line use when not using a file with the -e flag? (Choose all that apply.)

  A. YAML

  B. CSV

  C. Ansible dictionary

  D. JSON

  Correct Answer: AD

  Variables must be specified in JSON format when passed via command line.

• Question 49:

  By default, how many times can a role be applied during a play?

  A. Once, no matter the parameters provided.

  B. As many times as necessary, no matter the parameters.

  C. Once, presuming it is only applied with a single set of parameters.

  D. As many times as necessary, presuming the `single_run' attribute is set to false.

  Correct Answer: C

  A role given only a single set of parameters will only be applied by Ansible one time in a play.

• Question 50:

  What is the defaults directory used for within a role?

  A. The defaults directory is for defining default values for variables if no other value is provided.

  B. The defaults directory is where you define which plays of a role will be used by default.

  C. The defaults directory is for defining variable values that override other variables used in a playbook using the role.

  D. The defaults directory stores configurations that override ansible.cfg.

  Correct Answer: A

  Variables defined within defaults are given the lowest precedence and are only used when no other value is provided.