Red Hat EX447 Online Practice Questions and Exam Preparation

Red Hat EX447 Online Questions & Answers

• Question 1:

  CORRECT TEXT

  Using the Simulation Program,perform the following tasks:

  1.

  Use an ansible ad-hoc command, check the connectivity of your servers.

  2.

  Use an ad-hoc ansible command, find the free space of your servers.

  3.

  Use an ad-hoc ansible command, find out the memory usage of your servers.

  4.

  Do an ls -l on the targets /var/log/messages file.

  5.

  Tail the contents of the targets /var/log/messages file.

  A. See the for complete Solution below.
  A. See the for complete Solution below.

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  1.

  ansible all -m ping

  2.

  ansible all -a "/bin/df -h"

  3.

  ansible all-a "/usr/bin/free"

  4.

  ansible all -a "ls -l /var/log/messages"

  5.

  ansible local -b -a "tail /var/log/messages"

• Question 2:

  CORRECT TEXT

  Create a playbook calledtimesvnc.yml in /home/sandy/ansible using rhel system role timesync. Set the time to use currently configured nip with the server 0.uk.pool.ntp.org. Enable burst. Do this on all hosts.

  A. See the for complete Solution below.
  A. See the for complete Solution below.

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  Solution as:

  

• Question 3:

  CORRECT TEXT

  Using the Simulation Program, perform the following tasks:

  Ad-Hoc Ansible Commands (Number Two) Task:

  1.Use the ad-hoc command to make sure php is installed.

  2.

  Use the ad-hoc command to make sure that php is installed and is the latest version.

  3.

  Use the ad-hoc command to make sure that httpd is installed.

  4.

  Use the ad-hoc command to remove httpd fromthe servers.

  A. See the for complete Solution below.
  A. See the for complete Solution below.

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  1.

  ansible all -b -m yum -a 'name=php state=present'

  2.

  ansible all -b -m yum -a 'name=php state=latest'

  3.

  ansible all -b -m yum -a 'name=httpd state=latest'

  4.

  ansibleall -b -m yum -a 'name=httpd state=absent'

• Question 4:

  CORRECT TEXT

  Create a file calledpackages.yml in/home/sandy/ansibleto install some packages for the following hosts. On dev, prod and webservers install packages httpd, mod_ssl, and mariadb. On dev only install the development tools package. Also, on dev host update all the packages tothe latest.

  A. See the for complete Solution below.
  A. See the for complete Solution below.

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  Solution as:

  

  ** NOTE 1 a more acceptable answer is likely 'present' since it's not asking to install the latest state: present ** NOTE 2 need to update thedevelopment node

  -name: update all packages on development node

  yum:

  name: '*'

  state: latest

• Question 5:

  CORRECT TEXT

  Install and configure ansible

  Userbobhas been created on your control node. Give him the appropriate permissions on the control 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 other path that maybe 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 bob user.

  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 groupproxy,nodc4 and node 5 are members of groupprod.Also,prodis a member of group

  webservers.

  A. See the for complete Solution below.
  A. See the for complete Solution below.

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  In/home/sandy/ansible/ansible.cfg [defaults] inventory=/home/sandy/ansible/inventory roles_path=/home/sandy/ansible/roles remote_user= sandy host_key_checking=false [privilegeescalation] become=true become_user=root become_method=sudo become_ask_pass=false

  In /home/sandy/ansible/inventory [dev] node1 .example.com [test] node2.example.com [proxy] node3 .example.com [prod] node4.example.com node5 .example.com [webservers:children] prod

• Question 6:

  CORRECT TEXT

  Create a playbook /home/bob /ansible/motd.yml that runs on all inventory hosts and docs the following: The playbook should replaee any existing content of/etc/motd in the following text. Use ansible facts to display the FQDN of each host

  On hosts in the dev host group the line should be "Welcome to Dev Server FQDN".

  On hosts in the webserver host group the line should be "Welcome to Apache Server FQDN".

  On hosts in the database host group the line should be "Welcome to MySQL Server FQDN".

  A. See the for complete Solution below.
  A. See the for complete Solution below.

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  /home/sandy/ansible/apache.yml

  

  /home/sandy/ansible/roles/sample-apache/tasks/main.yml

• Question 7:

  CORRECT TEXT

  Create a playbook called issue.yml in /home/sandy/ansible which changes the file /etc/issue on all managed nodes: If host is a member of (lev then write "Development" If host is a member oftestthen write "Test" If host is a member ofprodthen write "Production"

  A. See the for complete Solution below.
  A. See the for complete Solution below.

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  Solution as:

  

• Question 8:

  CORRECT TEXT

  Create a playbook /home/bob/ansible/timesync.yml that runs on hosts in the webservers host group and does the following:

  Uses thetimesync RHEL system role. Sets the ntp server to 0.uk.pool.ntp.org Sets the timezone to UTC

  A. See the for complete Solution below.
  A. See the for complete Solution below.

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  Solution as:

  

• Question 9:

  CORRECT TEXT

  Create a file called mysecret.yml on the control host using ansible vault in home/bob/ansible. Set the password to 'notasafepass' and inside the file create avariable called dev_pass with the value of devops. Save the file. Then go back in the file and change dev_pass value to devops123. Then change the vault password of mysecret.yml to verysafepass

  A. See the for complete Solution below.
  A. See the for complete Solution below.

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  ansible-vault create lock.yml New Vault Password: reallysafepw Confirm: reallysafepw

  

• Question 10:

  CORRECT TEXT

  Create a jinja template in /home/sandy/ansible/ and name it hosts.j2. Edit this file so it looks like the one below. The order of the nodes doesn't matter. Then create a playbook in /home/sandy/ansiblecalledhosts.ymland install the template on dev node at /root/myhosts

  

  A. See the for complete Solution below.
  A. See the for complete Solution below.

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  Solution as: