JN0-421リアル試験問題解答は更新された[2022年01月05日]
お手軽に合格させる 最新Juniper JN0-421問題集には66問があります
質問 22
Click the Exhibit button.
An automation developer is using command-line scripting and wants to briefly survey NETCONF capabilities before running a new task.
Referring to the exhibit, how does the automation developer end the current NETCONF session and go to the next one?
- A. Use the quit command.
- B. Use the <rpc><kill-ession></close-session></>pc> command.
- C. Use the logout command.
- D. Use the <rpc><kill-ession><kill-session></>pc> command.
正解: D
質問 23
Which statement describes the purpose of Ansible roles?
- A. A collection of Ansible playbooks.
- B. A collection of permissions for users of your Ansible setup.
- C. A collection of hosts that have been categorized by purpose.
- D. A collection of tasks to be run on a given set of hosts.
正解: C
質問 24
Drag and drop
Referring to the exhibit, the configuration components are displayed in which format?
- A. YANG
- B. YAML
- C. JSON
- D. XML
正解: C
質問 25
You need to reset all Junson systems in your lab to their factory-default state and then push a new configuration to the device.
Which two Ansible modules would your playbook use to accomplish this task? (Choose two.)
- A. Junos_system_services
- B. Junos_install_confi
- C. Junos_get_facts
- D. Junos_zeroize
正解: D
質問 26
In SLAX, what is the difference between the jcs : invoke ( ) and the jcs : execute ( ) functions?
- A. RPCs called by jcs : invoke ( ) are not executed until the conclusion of the script.
- B. RPCs called by jcs : execute ( ) are not executed until the conclusion of the script.
- C. RPCs called by jcs : invoke ( ) are executed within an existing connection.
- D. RPCs called by jcs : execute ( ) are executed within an existing connection.
正解: A
質問 27
Which format does an Ansible playbook use
- A. YAML
- B. CSV
- C. JSON
- D. XML
正解: A
質問 28
What are three ways for PyEZ to connect to supported Junos devices? (Choose three.)
- A. JET API
- B. Webook
- C. NETCONF over SSH
- D. Telnet
正解: C
質問 29
With the inclusion of Python in the Junos OS, what is an advantage that this feature provides administrators?
- A. It provides the Python command line (REPL) for testing
- B. The ability to execute Python scripts on the device.
- C. The ability to compile Python scripts on the device.
- D. It provides compatibility with all Python versions.
正解: B
質問 30
Click the Exhibit button.
Referring to the exhibit, which Python statement selects the <user-entry> element for the user logged in on the pts/2 TTY?
A)
B)
C)
D)
- A. Option C
- B. Option B
- C. Option A
- D. Option D
正解: D
質問 31
Which messaging protocol do JET service APIs use to interface with the Junos OS?
- A. NETCONF
- B. MQTT
- C. gRPC
- D. Rabbit MQ
正解: D
質問 32
You are asked to write an application that interacts directory with the internal APIs belonging to rpd.
Which statement is true in this scenario?
- A. You must write the application using the REST APIs.
- B. You must write the application using the JET APIs.
- C. You must write the application using the XML APIs.
- D. You must write the application using the YANG APIs.
正解: A
質問 33
You are writing a SLAX op script to provide a customized rendition of the show interface output. You want to include a command-line argument named interface and provide it whit the default value of fxp0.
A)
B)
C)
D)
- A. Option B
- B. Option D
- C. Option C
- D. Option A
正解: A
質問 34
You are asked by you manager to automatically switch traffic from the primary link to the backup link on the MX Series device at the branch site whenever latency is above 300 ms over a 5-minute period.
Which type of Junos script would you use in this scenario?
- A. SNMP
- B. Op
- C. Commit
- D. Event
正解: A
質問 35
Which statement describes the relationship between YANG and NETCONF?
- A. YANG models the state and configuration data manipulated by the NETCONF protocol.
- B. YANG is the programming language used to generate base classes to develop the NETCONF protocol.
- C. NETCONF models XML data use to program YANG modules.
- D. NETCONF is the programming language used to create the state and configuration data manipulaterd by YANG.
正解: D
質問 36
Which two statements are correct about JSON characteristics? (Choose two.)
- A. JSON is a supported template language.
- B. JSON uses # # for comments
- C. JSON is easy to read for humans and devices.
- D. JSON is programming language independent
正解: C,D
質問 37
Which two primary processes are used by Juniper devices for on-box or off-box automation?
- A. ancpd
- B. rpd
- C. jsd
- D. mgd
正解: A
質問 38
What are three supported languages for operational scripts on Junos devices? (Choose three.)
- A. Java
- B. SLAX
- C. Python
- D. PHP
正解: A,B,C
質問 39
What is a purpose of RubyEZ?
- A. to provide a Ruby interface to Juniper devices that support Puppet
- B. to provide a Ruby interface to the Junos Space management product
- C. to provide a Ruby framework for interfacing with Juniper devices
- D. to provide an off device interface to Ruby
正解: B
質問 40
What is the purpose of an _intit_.py file ?
- A. An_init_.py file indicates to the Python interpreter that a directory contains Python packages or modules.
- B. An_init_.py file contains strings for additional directories that the Python interpreter adds to sys.path [].
- C. An_init_.py file initializes a Python application with default values for instantiated objects.
- D. An_init_.py file sets all magic attributes with the _init_prefix with the appropriate default values.
正解: C
質問 41
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最新のJN0-421学習ガイド2022年最新の- 提供するのはテストエンジンとPDF：https://www.goshiken.com/Juniper/JN0-421-mondaishu.html