Juniper JN0-420 問題集

質問 1：
Click the Exhibit button.
Exhibit:

How would you test the configuration snippet shown in the exhibit?
A. Use the root@router% event SSHD_LOGIN_FAILED command
B. Use the root@router% logger SSHD_LOGIN_FAILED command
C. Use the root@router% test SSHD_LOGIN_FAILED command
D. Use the root@router% logger -e SSHD_LOGIN_FAILED command
正解：D

質問 2：
A customer has a control machine with a default Ansible installation. During execution of an Ansible module, the Ansible control machine generates the no hosts matched error.
Which statement is correct in this scenario?
A. The target device was not defined in /etc/ansible/inventory/hosts on the control machine
B. The target device was not defined on the associated DNS servers
C. The target device was not defined in /etc/ansible/hosts on the control machine
D. The target device was not defined in /etc/hosts on the control machine
正解：C

質問 3：
What is the purpose of an __init__.py file?
A. __init__.py file sets all magic attributes with the __init__.prefix with the appropriate default values
B. An __init__.py file indicates to the Python interpreter that a directory contains Python packages or modules
C. An __init__.py file initializes a Python application with default values for instantiated objects
D. An __init__.py file contains strings for additional directories that the Python interpreter adds to sys.path []
正解：B

質問 4：
Click the Exhibit button.
Exhibit:

Where would the Python code shown in the exhibit be used?
A. an event script
B. an op script
C. a commit script
D. an SNMP script
正解：D

質問 5：
Click the Exhibit button.
Exhibit:

You are using RubyEZ to interact with a Junos device: however, you are not successfully connecting to the device.
Referring to the exhibit, what is the problem?
A. Netconf::SSH.new statement arguments must be hashes
B. Netconf::SSH.new statement only expects an IP address of the target device
C. Argument passed to Netconf:: SSH.new statement must be referenced as variables
D. A Junos::Ez::Provider statement is missing before the Netconf::SSH. New statement
正解：C

質問 6：
Which command is used to execute an Ansible playbook?
A. ansible-vault
B. ansible-playbook
C. ansible-galaxy
D. ansible
正解：B