[Q10-Q35] 認証トレーニングEX294試験問題集テストエンジン [2022]

認証トレーニングEX294試験問題集テストエンジン [2022]

2022年01月20日ガイド準備でEX294試験合格

質問 10
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.

• A. 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_ask_pass=false
  In /home/sandy/ansible/inventory
  [dev]
  node 1 .example.com
  [test]
  node2.example.com
  node4.example.com
  node5 .example.com
  [webservers:children]
  prod
• B. 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]
  node 1 .example.com
  [test]
  node2.example.com
  [proxy]
  node3 .example.com
  [prod]
  node4.example.com
  node5 .example.com
  [webservers:children]
  prod

正解: B

質問 11
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.

• A. Solution as:
  
  Check the proxy host by curl http://node3.example.com
• B. Solution as:
  
  Check the proxy host by curl http://node3.example.com

正解: B

質問 12
Create a file called specs.empty in home/bob/ansible on the local machine as follows:
HOST=
MEMORY=
BIOS=
VDA_DISK_SIZE=
VDB_DISK_SIZE=
Create the playbook /home/bob/ansible/specs.yml which copies specs.empty to all remote nodes' path /root/specs.txt. Using the specs.yml playbook then edit specs.txt on the remote machines to reflect the appropriate ansible facts.

• A. Solution as:
  
  
• B. Solution as:
  

正解: B

質問 13
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'

• A. Solution as:
  
• B. Solution as:
  

正解: A

質問 14
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. /home/sandy/ansible/apache.yml
  
  /home/sandy/ansible/roles/sample-apache/tasks/main.yml
• B. /home/sandy/ansible/apache.yml
  
  /home/sandy/ansible/roles/sample-apache/tasks/main.yml

正解: A

質問 15
Create an empty encrypted file called myvault.yml in /home/sandy/ansible and set the password to notsafepw. Rekey the password to iwejfj2331.

• A. ansible-vault create myvault.yml
  Create new password: notsafepw Confirm password: notsafepw ansible-vault rekey myvault.yml Current password: notsafepw New password: iwejfj2221 Confirm password: iwejfj2221
• B. ansible-vault create myvault.yml
  Create new password: notsafepw Confirm password: notsafepw ansible-vault rekey myvault.yml Current password: notsafepw New password: iwejfj2331 Confirm password: iwejfj2221

正解: A

質問 16
Create the users in the file usersjist.yml file provided. Do this in a playbook called users.yml located at /home/sandy/ansible. The passwords for these users should be set using the lock.yml file from TASK7. When running the playbook, the lock.yml file should be unlocked with secret.txt file from TASK 7.
All users with the job of 'developer' should be created on the dev hosts, add them to the group devops, their password should be set using the pw_dev variable. Likewise create users with the job of 'manager' on the proxy host and add the users to the group 'managers', their password should be set using the pw_mgr variable.

• A. ansible-playbook users.yml -vault-password-file=secret.txt
  
• B. ansible-playbook users.yml -vault-password-file=secret.txt
  

正解: B

質問 17
Install and configure ansible
User bob has 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 may be 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 group dev. nodc2 is a member of group test, nodc3 is a member of group proxy, nodc4 and node 5 are members of group prod. Also, prod is a member of group webservers.

• A. 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
  In /home/sandy/ansible/inventory
  [dev]
  node 1 .example.com
  [test]
  node2.example.com
  [proxy]
  node3 .example.com
  [prod]
  node4.example.com
  node5 .example.com
  [webservers:children]
  prod
• B. 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]
  node 1 .example.com
  [test]
  node2.example.com
  [proxy]
  node3 .example.com
  [prod]
  node4.example.com
  node5 .example.com
  [webservers:children]
  Prod

正解: B

質問 18
......

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