Juniper JN0-221 問題集

質問 1：
You want to perform a dry run on the myPlays playbook and use a custom inventory file called myRouters.ini.
Which Ansible command would you use in this scenario?
A. ansible-playbook myPlays -extra-vars "dry run=True" myRouters.ini
B. ansible-playbook myPlays --check -i myRouters.ini
C. ansible-playbook myPlays -extra-vars "inventory_file=myRouters .ini"
D. ansible-playbook myPlays -limit myRouters
正解：C

質問 2：
Which two processes does Junos automation use? (Choose two.)
A. jsd
B. dcd
C. mgd
D. chassisd
正解：A,C

質問 3：
Which character is used to separate multiple parameters in a single REST API call?
A. &
B. #
C. =
D. ?
正解：A

質問 4：
As part of an application to manage network devices, you must query hundreds of network devices and return the unique set of IP prefixes by configured firewall filters. To accomplish this task you will require a mutable data type that contains unordered, unique elements.
Which Python data type will fulfill these requirements?
A. sets
B. lists
C. tuples
D. dictionaries
正解：C

質問 5：
Which API does the Junos CLI use to modify the configuration database?
A. XML API
B. REST API
C. RPC API
D. JET API
正解：B

質問 6：
You need an Ansible Playbook to log in to multiple devices with different login credentials. For compliance purposes, you are not allowed to prompt the user for the credentials or allow the credentials be stored in planted on the control machine for each device.
Which two actions will fulfill this task? (Choose two.)
A. Define the credentials as variables in the host's file
B. Define the generated SSH keys to use in the playbook on the devices.
C. Define the credentials as variables in the playbook.
D. Define the credentials in a vaulted file.
正解：B,D

質問 7：
Exhibit.

Referring to the exhibit, which two code blocks are an equivalent representation in JSON?
A. {"routers":["r1","r2"],"switches":[{"s1":[{"interface":"ge-0/0/0.0"}]}]}
B. {"Routers":["r1","r2"],"Switches":[{"s1":[{"interface":"ge-0/0/0.0"}]}]}
正解：A