[Nov 20, 2021] Powerful JN0-421 PDF Dumps for JN0-421 Questions
Authentic JN0-421 Dumps - Free PDF Questions to Pass
Juniper JN0-421 Exam Certification Details:
| Exam Code | JN0-421 JNCIS-DevOps |
| Exam Name | Automation and DevOps Specialist |
| Exam Registration | PEARSON VUE |
| Recommended Training | Junos Platform Automation and DevOps (JAUT) |
| Number of Questions | 65 |
| Exam Price | $300 USD |
| Sample Questions | Juniper JN0-421 Sample Questions |
Juniper JN0-421 Exam Topics:
| Section | Objectives |
|---|---|
| Platform Automation Overview | Identify concepts, general features, or functionality of Junos platform automation
|
| Junos Automation Scripts | Describe the concepts, benefits, or operation of automation scripts for Junos
|
| Data Serialization and Templating | Describe the concepts, benefits, or operation of data serialization
|
| NETCONF/XML API | Describe the concepts, benefits, or operation of automation access methods
|
| Juniper Extension Toolkit | Identify the concepts, general features, or functionality of the Juniper Extension Toolkit
|
NEW QUESTION 39
Click the Exhibit button.
You need to programmatically extract interface information using PYeZ from you MX Series device. You log in and use the show interfaces terse I display xml rpc command and see the information shown in the exhibit.
What is the correct PyEZ syntax to accomplish this task?
A)
B)
C)
D)
- A. Option B
- B. Option C
- C. Option A
- D. Option D
Answer: D
NEW QUESTION 40
What are two message types that compose the message layer of the Juniper NETCONF implementation? (Choose two.)
- A. <rpc>
- B. <rpc-reply>
- C. <get>
- D. <lock>
Answer: A,B
NEW QUESTION 41
Which command is used to execute an Ansible playbook?
- A. ansible-galaxy
- B. ansible
- C. ansible-playbook
- D. ansible-vault
Answer: C
NEW QUESTION 42
Which statement describes the purpose of Ansible roles?
- A. A collection of hosts that have been categorized by purpose.
- B. A collection of permissions for users of your Ansible setup.
- C. A collection of Ansible playbooks.
- D. A collection of tasks to be run on a given set of hosts.
Answer: A
NEW QUESTION 43
Click the Exhibit button.
Where would the Python code shown in the exhibit be used?
- A. an SNMP script
- B. an op script
- C. an event script
- D. a commit script
Answer: A
NEW QUESTION 44
What are two benefits of network automation? (Choose two )
- A. to improve product lifecycle management
- B. to enforce consistency in automated devices
- C. to provide historical configuration management
- D. increase programming language fluency
Answer: A,B
NEW QUESTION 45
Click the Exhibit button.
You manger asks you to trouble shoot an Ansible problem when logging into a Junson device. You notice the Ansible pay in question has a vars_files argument that calls the variables.yml entery file. The contents of that file are displayed in the exhibit.
What is happening in this scenario?
- A. The variables.yml files is not actually a YAMI.file.
- B. The file is encrypted with ansible
- C. The file is encrypted with ansible-vault
- D. The file is an SSH key
Answer: D
NEW QUESTION 46
Click the Exhibit button.
What will executing the program shown in the exhibit retrieve from a Junos device?
- A. the previous configuration changes of the device
- B. the current software version on the device
- C. the current memory utilization
- D. the FPC inventory of the device
Answer: A
NEW QUESTION 47
Which pair of daemons in the Junson OS handle automation?
- A. mgd and JET
- B. jsd and gRPC
- C. mgd and jsd
- D. JET and gRPC
Answer: B
NEW QUESTION 48
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
Answer: A
NEW QUESTION 49
Click the Exhibit:
Referring to the exhibit, what will he hostname be if interface ge-0/0/0 goes down?
- A. int-test-1
- B. int-test-2
- C. int-test-4
- D. int-test-3
Answer: B
NEW QUESTION 50
Which statement is true about a Junos ephemeral configuration database?
- A. It can be used to validate configuration data semantics.
- B. It can be used to trigger a commit script.
- C. It can be used to reduce commit time.
- D. It can be used to archive previous versions of the ephemeral configuration.
Answer: A
NEW QUESTION 51
What are two attributes of the jsd JET service process? (Choose two.)
- A. It executes one API request per session.
- B. It executes APIs from multiple sessions in parallel
- C. It creates a separate thread to service JET application requests
- D. It supports only one client session at a time
Answer: A,C
NEW QUESTION 52
Which format does an Ansible playbook use
- A. JSON
- B. XML
- C. CSV
- D. YAML
Answer: D
NEW QUESTION 53
By default, Python event scripts and SNMP script configured on a Junos device execute as which user ?
- A. snmpd
- B. nobody
- C. root
- D. wheel
Answer: B
NEW QUESTION 54
You organization is creating a custom YANG module. You are asked to create a leaf node called timeout with a data type of duration.
In this scenario, what is the appropriate syntax for this leaf node?
A)
B)
C)
D)
- A. Option C
- B. Option B
- C. Option D
- D. Option A
Answer: A
NEW QUESTION 55
What are three types of Juniper on-box scripts? (Choose three)
- A. event
- B. Ansible
- C. expect
- D. operational
- E. commit
Answer: B,D,E
NEW QUESTION 56
What are two format distinctions to know when using YAML? (Choose two.)
- A. whit space indentation sensitive
- B. tab indentation allowed
- C. tab indentation not allowed
- D. white space indentation insensitive
Answer: C,D
NEW QUESTION 57
Click the Exhibit button.
While using NETCONF, the developer attempts to lock the configuration, but the error shown in the exhibit is received. The developer verifies no one else is configuring the device.
According to Juniper, how would you clear the error in this scenario?
- A. Log in with another NETCONF session, reboot the instance, and save the original configuration.
- B. Log in with another NETCONF session and enter the <rpc><close-session>8099</close-session><rpc>]]>]]> command.
- C. Log in with another NETCONF session and enter the <rpc><kill-session>< session -id>user02</session-id></kill-session></rpc]]>]]> command.
- D. Login with another NETCONF session and enter the <rpc><kill-session>< session -id>8099</session-id></kill-session></rpc]]>]]> command.
Answer: A
NEW QUESTION 58
In SLAX, what is the difference between the jcs : invoke ( ) and the jcs : execute ( ) functions?
- A. RPCs called by jcs : execute ( ) are executed within an existing connection.
- B. RPCs called by jcs : invoke ( ) are executed within an existing connection.
- C. RPCs called by jcs : invoke ( ) are not executed until the conclusion of the script.
- D. RPCs called by jcs : execute ( ) are not executed until the conclusion of the script.
Answer: C
NEW QUESTION 59
Which transport protocol must be supported by RFC-compliant NETCONF implementations?
- A. BEEP
- B. Telnet
- C. TLS
- D. SSH
Answer: D
NEW QUESTION 60
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