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NEW QUESTION 95
Which development model is the classic approach to software development?
A. Waterfall
B. Scrum
C. Kanban
D. Lean
Answer: A
Explanation:
https://searchsoftwarequality.techtarget.com/definition/waterfall-model
NEW QUESTION 96
What is the advantage of using the REST API?
A. The REST API enables Junos devices to participate in other REST management system environments.
B. The REST API is enabled by default on all Junos devices.
C. By default, the REST API retrieves data from a Junos device in CSV format.
D. By default, the REST API retrieves data from a Junos device in HTML format.
Answer: A
Explanation:
https://www.juniper.net/documentation/us/en/software/junos/rest-api/topics/concept/rest-api-overview.html
NEW QUESTION 97
Junos PyEZ is a microframework used to operate the Junos OS using which language?
A. Puppet
B. Chef
C. Python
D. Ruby
Answer: C
Explanation:
https://www.juniper.net/documentation/us/en/software/junos-pyez/junos-pyez-developer/topics/concept/junos-pyez-overview.html
NEW QUESTION 98
What are two popular methods of data serialization? (Choose two.)
A. Python
B. JSON
C. SLAX
D. YAML
Answer: AD
Explanation:
https://docs.python-guide.org/scenarios/serialization/
NEW QUESTION 99
Which statement about element nodes is correct?
A. Only a single root element node is allowed.
B. Element nodes only consist of a single line of code.
C. Element nodes cannot be nested in other element nodes.
D. Only the root element node can contain other element nodes.
Answer: A
Explanation:
https://en.wikipedia.org/wiki/Root_element
NEW QUESTION 100
Which two statements about DevOps are correct? (Choose two.)
A. DevOps is a methodology that allows for frequent, quick modifications.
B. DevOps is a methodology that ensures that collaboration does not occur across organizational boundaries.
C. DevOps is a methodology used to develop software or systems.
D. DevOps is a methodology that is limited to small codebase development.
Answer: AC
Explanation:
https://www.juniper.net/us/en/products-services/what-is/devnetops/
NEW QUESTION 101
Which statement is correct about Infrastructure as Code (IaC)?
A. It is an infrastructure that runs identical operating systems.
B. It is an infrastructure where devices are entirely virtualized.
C. It is an infrastructure that is used for beta code testing.
D. It is an infrastructure where devices are managed like software.
Answer: D
NEW QUESTION 102
Which two Python packages use NETCONF to interact with Junos devices? (Choose two.)
A. numpy
B. jsnapy
C. junos-eznc
D. pyyaml
Answer: BC
NEW QUESTION 103
Which two processes does Junos automation use? (Choose two.)
A. chassisd
B. jsd
C. dcd
D. mgd
Answer: BD
Explanation:
https://coggle.it/diagram/XW0atWn5-1ccZJer/t/junos-automation-stack
NEW QUESTION 104
What are two examples of XPath axes? (Choose two.)
A. grandchild
B. sibling
C. parent
D. grandparent
Answer: BC
Explanation:
https://www.juniper.net/documentation/us/en/software/junos/automation-scripting/topics/concept/junos-script-automation-xpath-overview.html
NEW QUESTION 105
According to the Manifesto for Agile Software Development, what is the highest priority?
A. continuous attention to technical excellence and good design enhances quality
B. a well-documented statement of work created before the development cycle begins
C. on-time software releases based on a quarterly or semi-annual time frame
D. customer satisfaction obtained through continuous delivery of valuable software
Answer: D
Explanation:
https://airfocus.com/glossary/what-is-agile-manifesto/#:~:text=The%20highest%20priority%20is%20to,continuous%2C%20delivery%20of%20valuable%20software
NEW QUESTION 106
Which Ansible Playbook play parameter will prevent the system from copying the playbook to the Junos devices?
A. serial
B. gather_facts
C. environment
D. connection
Answer: D
NEW QUESTION 107
Which two statements about Ansible are correct? (Choose two.)
A. All Ansible host and group variables must be defined in the /etc/ansible/hosts directory.
B. Groups can be nested and a device is allowed to participate in multiple groups.
C. Separate host and group variable files can be used for larger environments.
D. Groups cannot be nested and a device is allowed to participate only a single group.
Answer: AB
NEW QUESTION 108
What are three elements of Infrastructure as Code (IaC)? (Choose three.)
A. code review
B. integration
C. flow
D. feedback
E. version control
Answer: BCE
NEW QUESTION 109
Which API does the Junos CLI use to modify the configuration database?
A. REST API
B. XML API
C. JET API
D. RPC API
Answer: A
NEW QUESTION 110
You are asked to write an automation script using Python. When you execute the script, you notice that your code sends an RpcTimeoutError error. In this scenario, what would be the reason for this error?
A. The Python script was not able to connect to the Juniper device.
B. The Juniper device rejects the connection.
C. The Juniper device took too long to reply to the RPC call.
D. The RPC syntax is incorrect.
Answer: C
NEW QUESTION 111
Which statement about using Ansible with a Junos device is correct?
A. Ansible modules are executed on the control server.
B. SFTP must be used to allow communication between the Ansible control server and the Junos device.
C. An Ansible agent must be installed and running on the Junos device.
D. An Ansible playbook is a set of tasks written in XML.
Answer: A
NEW QUESTION 112
Given the <name> username </name> XML code, what is the information between the opening and closing tags called?
A. name node
B. data node
C. text node
D. element node
Answer: D
Explanation:
https://www.juniper.net/documentation/us/en/software/junos/automation-scripting/topics/concept/junos-script-automation-xml-overview.html
https://www.ibm.com/docs/fi/db2-for-zos/11?topic=nodes-text
NEW QUESTION 113
What is the purpose of an XSD file?
A. to define the allowed elements and hierarchy of an XML document
B. to define the scripting language of an XML document
C. to define the security and access permissions for an XML document
D. to define the shortcuts that can be used in an XML document
Answer: A
Explanation:
https://www.proficomms.cz/files/datasheets/Juniper/junosos.pdf (page 4)
NEW QUESTION 114
Which Junos system process handles NETCONF automation commands?
A. snmpd
B. eventd
C. mgd
D. jsd
Answer: C
Explanation:
https://www.oreilly.com/library/view/automating-junos-administration/9781491928875/ch01.html
NEW QUESTION 115
……
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