EX447更新された試験問題集で[2023年最新] 練習有効な試験問題集 [Q14-Q29]

EX447更新された試験問題集で[2023年最新] 練習有効な試験問題集

EX447サンプルには正確で更新された問題

質問 14
Create a playbook calledwebdev.ymlin'home/sandy/ansible. The playbook will create a directory Avcbdev on dev host. The permission of the directory are 2755 and owner is webdev. Create a symbolic link from
/Webdevto /var/www/html/webdev. Serve a file from Avebdev7index.html which displays the text
"Development" Curlhttp://node1.example.com/webdev/index.htmlto test

正解:

解説:
See the Explanation for complete Solution below.
Explanation
Solution as:

質問 15
Create an ansible vault password file calledlock.ymlwith the passwordreallysafepwin the
/home/sandy/ansibledirectory. In the lock.yml file define two variables. One ispw_devand the password is
'dev' and the other ispw_mgrand the password is 'mgr' Create a regular file calledsecret.txtwhich contains the password for lock.yml.

正解:

解説:
See the Explanation for complete Solution below.
Explanation
ansible-vault create lock.yml
New Vault Password: reallysafepw
Confirm: reallysafepw

質問 16
Create the users in the fileusersjist.ymlfile provided. Do this in a playbook called users.yml located at
/home/sandy/ansible.The passwords for these users should be set using thelock.ymlfile from TASK7. When running the playbook, the lock.yml file should be unlocked withsecret.txtfile from TASK 7.
All users with the job of 'developer' should be created on thedevhosts, add them to the group devops, their password should be set using thepw_devvariable. Likewise create users with the job of 'manager' on theproxy host and add the users to the group 'managers', their password should be set using thepw_mgrvariable.

正解:

解説:
See the Explanation for complete Solution below.
Explanation
ansible-playbook users.yml -vault-password-file=secret.txt

質問 17
Create a file in/home/sandy/ansible/calledreport.yml.Using this playbook, get a filecalledreport.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 informationofthehosts. Ifa disk does not exist then write NONE.

正解:

解説:
See the Explanation for complete Solution below.
Explanation
Solution as:

質問 18
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 group nodc4 and node 5 are members of groupprod.Also,prodis a member of group webservers.

正解:

解説:
See the Explanation for complete Solution below.
Explanation
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

質問 19
Install and configure ansible
User sandy has been created on your control node with the appropriate permissions already, do not change or modify ssh keys. Install the necessary packages to run ansible on the control node. Configure ansible.cfg to be in folder /home/sandy/ansible/ansible.cfg and configure to access remote machines via the sandy user. All roles should be in the path /home/sandy/ansible/roles. The inventory path should be in
/home/sandy/ansible/invenlory.
You will have access to 5 nodes.
node1.example.com
node2.example.com
node3.example.com
node4.example.com
node5.example.com
Configure these nodes to be in an inventory file where node I is a member of group dev. nodc2 is a member of group test, node3 is a member of group proxy, nodc4 and node 5 are members of group prod. Also, prod is a member of group webservers.

正解:

解説:
See the Explanation for complete Solution below.
Explanation
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

質問 20
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.

正解:

解説:
See the Explanation for complete Solution below.
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"

質問 21
Create a file calledadhoc.shin/home/sandy/ansiblewhich will use adhoc commands to set up anew repository.
The name of the repo will be 'EPEL' the description 'RHEL8' the baseurl is'https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rmp'there is no gpgcheck, but you should enable the repo.
* You should be able to use an bash script using adhoc commands to enable repos. Depending on your lab setup, you may need to make this repo "state=absent" after you pass this task.

正解:

解説:
See the Explanation for complete Solution below.
Explanation
chmod0777adhoc.sh
vim adhoc.sh
#I/bin/bash
ansible all -m yum_repository -a 'name=EPEL description=RHEL8
baseurl=https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rmp gpgcheck=no enabled=yes'

質問 22
Create a playbookthatchanges the default target onallnodes tomulti-usertarqet. Do this in playbook file called target.yml in /home/sandy/ansible

正解:

解説:
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

質問 23
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

正解:

解説:
See the Explanation for complete Solution below.
Explanation
ansible-vault create lock.yml
New Vault Password: reallysafepw
Confirm: reallysafepw

質問 24
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