Free EX447 Questions for RedHat EX447 Exam as PDF & Practice Test Software

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Total 26 questions

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Question 1

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

* Uses the timesync RHEL system role.

* Sets the ntp server to 0.uk.pool.ntp.org

* Sets the timezone to UTC

AExplanation:
Solution as:

Answer : A

Question 2

Create a role called sample-apache and store it in /home/bob/ansible/roles. The role should

satisfy the following requirements:

*In the role, install and enable httpd. Also enable the firewall to allow http. Also run the template

*index.html.j2 and make sure this runs Create a template index.html.j2 that displays "Welcome to the server HOSTNAME"

In a play called apache.yml in /home/bob/ansible/ run the sample-apache role.

AExplanation:
/home/sandy/ansible/apache.yml

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

/home/sandy/ansible/roles/sample-apache/templates/index.html.j2

In /home/sandy/ansible/roles/sample-apache/handlers/main.yml

Answer : A

Question 3

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.

AExplanation:
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'

Answer : A

Question 4

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 from the servers.

AExplanation:
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. ansible all -b -m yum -a 'name=httpd state=absent'

Answer : A

Question 5

Using the Simulation Program, perform the following tasks:

Static Inventories Task:

1. Add a new group to your default ansible host file. call the group [ec2]

2. Add a new host to the new group you created.

3. Add a variable to a new host entry in the /etc/ansible/hosts file. Add the following. localhost http_port=80 maxRequestsPerChild=808

4. Check to see if maxRequestsPerChild is pulled out with an ad-hoc command.

5. Create a local host file and put a target group and then a host into it. Then ping it with an ad-hoc command.

AExplanation:
1. Edit the /etc/ansible/hosts file. Add a group.
2. Edit the /etc/ansible/hosts file. Add a user under the group you created.
3. Edit the /etc/ansible/hosts file. Find a host. if we add a variable called maxRequestsPerChild to the host it would look like this. host1 maxRequestsPerChild=808
4. ansible ec2 -m shell -a 'echo {{ maxRequestsPerChild }}'
5. Edit a local file. It could be called anything. Lets call it myhosts. Inside the file it would have a host like the following. [mygroup] myusername1.mylabserver.com

Answer : A