Dec 16, 2021 Step by Step Guide to Prepare for JN0-421 Exam BrainDumps
JNCIS-DevOps JN0-421 Real Exam Questions and Answers FREE Updated on 2021
Juniper JN0-421 Exam Topics:
| Section | Objectives |
|---|---|
| Junos Automation Scripts | Describe the concepts, benefits, or operation of automation scripts for Junos
|
| Stateful Configuration (Ansible/SALT) | Describe how to use Ansible for automating Junos
|
| Platform Automation Overview | Identify concepts, general features, or functionality of Junos platform automation
|
| Python | Describe Python tools for automating Junos
|
| Juniper Extension Toolkit | Identify the concepts, general features, or functionality of the Juniper Extension Toolkit
|
| Data Serialization and Templating | Describe the concepts, benefits, or operation of data serialization
|
Juniper JN0-421 Exam Certification Details:
| Exam Name | Automation and DevOps Specialist |
| Duration | 90 minutes |
| Recommended Training | Junos Platform Automation and DevOps (JAUT) |
| Number of Questions | 65 |
NEW QUESTION 26
Click the Exhibit button.
Referring to the exhibit, what are two results of the Python operational script? (Choose two.)
- A. It does not commit the configuration
- B. It disables a user-selected interface.
- C. It commits the configuration
- D. It deactivates a user-selected interface.
Answer: D
NEW QUESTION 27
Which YAML document represents a valid mapping(dictionary) of sequences (lists) ?
A)
B)
C)
D)
- A. Option C
- B. Option B
- C. Option D
- D. Option A
Answer: A
NEW QUESTION 28
The <rpc-reply> XML tag is a member of which NETCONF protocol layer?
- A. Operations
- B. Content
- C. Transport
- D. Messages
Answer: C
NEW QUESTION 29
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 30
With which three processes does the JET service process communicate? (Choose three)
- A. rpd
- B. cosd
- C. ancpd
- D. mgd
- E. snmpd
Answer: A,D,E
NEW QUESTION 31
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 32
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 B
- B. Option C
- C. Option A
- D. Option D
Answer: D
NEW QUESTION 33
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 34
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 35
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 36
Click the Exhibit button.
You are using RubyEZ to interface 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. Arguments passed to Netconf::SSH.new statement must be referenced as variables.
- D. A Junos::Ez::Provider statement is missing before the Netconf::SSH.nw statement.
Answer: C
NEW QUESTION 37
You want to enable an unsigned Python op script named inventory.py that will be stored on a local Junos device.
Which two commands are needed to accomplish this task? (Choose two.)
A)
B)
C)
D)
- A. Option B
- B. Option C
- C. Option A
- D. Option D
Answer: D
NEW QUESTION 38
Drag and drop
Referring to the exhibit, what should <CHANGEME> be replaced with to correctly print out the exception message Cannot cannot to device ?
- A. ConnectError
- B. PeramissionError
- C. RpcError
- D. CommitError
Answer: D
NEW QUESTION 39
Click the Exhibit button.
Referring to the exhibit, what is the type of the myConfig variable on line 17 of the Python script?
- A. string
- B. template
- C. dictionary
- D. list
Answer: B
NEW QUESTION 40
Which messaging protocol do JET service APIs use to interface with the Junos OS?
- A. gRPC
- B. NETCONF
- C. Rabbit MQ
- D. MQTT
Answer: C
NEW QUESTION 41
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 42
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 43
What are three supported languages for operational scripts on Junos devices? (Choose three.)
- A. SLAX
- B. PHP
- C. Java
- D. Python
Answer: A,C,D
NEW QUESTION 44
......
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