The Best Practice Test Preparation for the EX407 Certification Exam
EX407 Exam Dumps, Practice Test Questions BUNDLE PACK
How to study the EX407 Exam
There are two main types of resources for preparation of certification exams first there are the study guides and the books that are detailed and suitable for building knowledge from ground up then there are video tutorial and lectures that can somehow ease the pain of through study and are comparatively less boring for some candidates yet these demand time and concentration from the learner. Smart Candidates who want to build a solid foundation in all exam topics and related technologies usually combine video lectures with study guides to reap the benefits of both but there is one crucial preparation tool as often overlooked by most candidates the practice exams. Practice exams are built to make students comfortable with the real exam environment. Statistics have shown that most students fail not due to that preparation but due to exam anxiety the fear of the unknown. Braindumps2go expert team recommends you to prepare some notes on these topics along with it don't forget to practice Red Hat EX407 exam dumps which have been written by our expert team, Both these will help you a lot to clear this exam with good marks.
EX407 Exam topics
Candidates must know the exam topics before they start of preparation. Because it will really help them in hitting the core. Our Red Hat EX407 exam dumps will include the following topics:
- Download roles from an Ansible Galaxy and use them
- Work with Ansible variables and facts
- Understand core components of Ansible
- Use Ansible Vault in playbooks to protect sensitive data
- Utilize an existing dynamic inventory script
- Create and use templates to create customized configuration files
- Use Ansible modules for system administration tasks that work with:
- Manage parallelism
NEW QUESTION 25
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".
Answer:
Explanation:
See the Explanation for complete Solution below.
Explanation
/home/sandy/ansible/apache.yml
/home/sandy/ansible/roles/sample-apache/tasks/main.yml
NEW QUESTION 26
Create a file called requirements.yml in /home/sandy/ansible/roles a file called role.yml in /home/sandy/ansible/.
The haproxy-role should be used on the proxy host. And when you curl http://node3.example.com it should display "Welcome to node4.example.com" and when you curl again "Welcome to node5.example.com" The php-role should be used on the prod host.
Answer:
Explanation:
Solution as:
Check the proxy host by curl http://node3.example.com
NEW QUESTION 27
What does the when keyword do?
- A. Allows a play to be scheduled
- B. Allows a play to be conditional
- C. Allows a task to be conditional
- D. There is no when keyword
Answer: C
NEW QUESTION 28
You are taking over for someone while they are away on leave. You need to run a playbook against over
600 servers. When you run the playbook you notice that only 10 servers are worked on at any one time.
How would you fix this so that you can have 50 servers worked on at the same time?
- A. Edit the /etc/ansible/ansible.cfg file and adjust the 'poll_interval' parameter.
- B. Edit the /etc/ansible/ansible.cfg file and adjust the 'forks' parameter.
- C. Edit the /etc/ansible/hosts file and adjust the 'forks' parameter.
- D. Edit the /etc/ansible/servers file and adjust the 'servers' parameter.
Answer: B
Explanation:
The forks parameter adjust the parallelism of the ansible commands.
NEW QUESTION 29
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.
Answer:
Explanation:
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"
NEW QUESTION 30
Create a file in /home/sandy/ansible/ called report.yml. Using this playbook, get a file called report.txt (make it look exactly as below). Copy this file over to all remote hosts at /root/report.txt. Then edit the lines in the file to provide the real information a disk does not exist then write NONE.
Answer:
Explanation:
See the Explanation for complete Solution below.
Explanation
Solution as:
NEW QUESTION 31
An Ansible inventory may contain which of the following? (Choose all that apply.)
- A. Groups
- B. Variable declarations
- C. Plays
- D. Hosts
Answer: A,B,D
Explanation:
Groups of hosts (and even groups of groups) may be defined within an inventory. The primary purpose of an Ansible inventory is to maintain a list of hosts with which Ansible may interact.
NEW QUESTION 32
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
Answer:
Explanation:
See the Explanation for complete Solution below.
Explanation
Solution as:
NEW QUESTION 33
What does the -p flag do with the ansible-galaxy command?
- A. Allows ansible-galaxy to pull a role down to the local server.
- B. Instructs ansible-galaxy to install the role permanently to persist a reboot.
- C. Allows ansible-galaxy to push a role to a target.
- D. Allows the user to provide a role path other than the default to be used when installing a role.
Answer: D
NEW QUESTION 34
Create a playbook that changes the default target on all nodes to multi-user tarqet. Do this in playbook file called target.yml in /home/sandy/ansible
Answer:
Explanation:
- name: change default target
hosts: all
tasks:
- name: change target
file:
src: /usr/lib/systemd/system/multi-user.target dest: /etc/systemd/system/default.target state: link
NEW QUESTION 35
Observe the details of the following dynamic inventory file.
$ ls -l dynamic.py -rw-rw-r--. 1 user user 1928 Mar 30 08:21 dynamic.py Why will this inventory file cause the ansible command to fail?
- A. The file is not executable.
- B. The ansible user must own the file.
- C. Ansible cannot use python scripts as inventories.
- D. The ansible command will not fail using the noted file with the given details.
Answer: A
Explanation:
Without being executable. Ansible will attempt to parse the script as a static inventory and fail.
NEW QUESTION 36
Create a playbook called regulartasks.yml which has the system that append the date to /root/datefile every day at noon. Name is job 'datejob'
Answer:
Explanation:
See the Explanation for completeSolution below.
Explanation
Solution as:
NEW QUESTION 37
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.
Answer:
Explanation:
See the Explanation for complete Solution below.
Explanation
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'
NEW QUESTION 38
Create a playbookthatchanges the default target on tarqet. Do this in playbook file called target.yml in/home/sandy/ansible
Answer:
Explanation:
See the Explanation for complete Solution below.
Explanation
- name: change default target
hosts: all
tasks:
- name: change target
file:
src: /usr/lib/systemd/system/multi-user.target dest:/etc/systemd/system/default.target state: link
NEW QUESTION 39
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 a variable 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
Answer:
Explanation:
See the Explanation for complete Solution below.
Explanation
ansible-vault create lock.yml
New Vault Password: reallysafepw
Confirm: reallysafepw
NEW QUESTION 40
===================================================================================
control.realmX.example.com _ workstation.lab.example.com
node1.realmX.example.com _ servera.lab.example.com
node2.realmX.example.com _ serverb.lab.example.com
node3.realmX.example.com _ serverc.lab.example.com
node4.realmX.example.com _ serverd.lab.example.com
node5.realmX.example.com
- username:root, password:redhat
- username:admin, password:redhat
note1. don't change 'root' or 'admin' password.
note2. no need to create ssh-keygen for access, its pre-defined
note3. SELinux is in enforcing mode and firewalld is disabled/stop on whole managed hosts.
Rekey an existing Ansible vault as follows:
-----------------------------------------------
* Download Ansible vault from http:// classroom.example.com /secret.yml to /home/
admin/ansible/
* The current vault password is curabete
* The new vault password is newvare
* The vault remains in an encrypted state with the new password
Answer:
Explanation:
Solution as:
# pwd
/home/admin/ansible/
# wget http://classroom.example.com/secret.yml
# chmod 0600 newpassword.txt
# ansible-vault rekey vault.yml --new-vault-password-file=newpassword.txt
NEW QUESTION 41
......
How to book the EX407 Exam
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