JN0-221 Practice Exam Tests Latest Updated on Oct-2021
Pass JN0-221 Exam in First Attempt Guaranteed Dumps!
NEW QUESTION 15
As part of an application to manage network devices, you must query hundreds of network devices and return the unique set of IP prefixes by configured firewall filters. To accomplish this task you will require a mutable data type that contains unordered, unique elements.
Which Python data type will fulfill these requirements?
- A. tuples
- B. sets
- C. lists
- D. dictionaries
Answer: B
NEW QUESTION 16
Which two statements about Ansible are true? (Choose two.)
- A. By default, Ansible playbooks are executed locally
- B. Ansible uses an agentless architecture
- C. Ansible modules only execute a change if required
- D. By default, Ansible core modules use NETCONF to connect to the remote host
Answer: B,D
Explanation:
Explanation/Reference:
Reference: https://www.juniper.net/documentation/en_US/junos-ansible/topics/concept/junos-ansible- overview.html#:~:text=Ansible%20uses%20an%20agentless%20architecture,software%20on%20the%
20managed%20nodes.&text=Thus%2C%20Ansible%20users%20can%20get,of%20Python%20to%20use
%20Ansible
NEW QUESTION 17
Which two tools should be used to test REST APIs? (Choose two.)
- A. curl
- B. Chef
- C. Postman
- D. Puppet
Answer: A,C
Explanation:
Explanation/Reference: https://rickmur.com/using-the-junos-space-rest-api/
NEW QUESTION 18
Exhibit.
You need to translate the configuration shown in the exhibit into a PyEZ RPC call.
Which line shows the proper PyEZ syntax?
- A. dev.rpc.get_route_information:table="inet.0"
- B. dev.rpc.get-route-information(table="inet.0")
- C. dev.rpc.get-route-information:table="inet.0"
- D. dev.rpc.get_route_information(table="inet.0")
Answer: D
NEW QUESTION 19
Which Junos system process handles NETCONF automation commands?
- A. jsd
- B. snmpd
- C. eventd
- D. mgd
Answer: C,D
NEW QUESTION 20
As part of an application to manage network devices, you must query hundreds of network devices and return the unique set of IP prefixes blocked by configured firewall filters. To accomplish this task, you will require a mutable data type that contains unordered, unique elements.
Which Python data type will fulfill these requirements?
- A. sets
- B. tuples
- C. lists
- D. dictionaries
Answer: B
Explanation:
Explanation/Reference: https://docs.python.org/2/library/sets.html
NEW QUESTION 21
Click the Exhibit button.
Referring to the exhibit, what is the function of the registerkey?
- A. to set an input value for the juniper_junos_rpc module
- B. to define a variable containing the return value from the module
- C. to print a result to standard out
- D. to configure a global setting for the playbook
Answer: B
NEW QUESTION 22
Exhibit.
Referring to the exhibit, this snippet of code would represent which type of data?
- A. JSON array
- B. YAML mapping
- C. JSON object
- D. YAML sequence
Answer: C
NEW QUESTION 23
Click the Exhibit button.
Referring to the exhibit, what will be two results of this playbook before saving it to a file? (Choose two.)
- A. to retrieve the candidate configuration
- B. to retrieve the committed configuration
- C. to include only the system/services
- D. to include everything but the system/services
Answer: B,C
NEW QUESTION 24
Exhibit.
What is the purpose of the G character shown in the exhibit?
- A. The G sign is a JSON object that holds XML elements from the Junos configuration segment.
- B. The e sign is a JSON array that holds XML elements from the Junos configuration segment.
- C. The 0 sign is a JSON object that holds XML attributes from the Junos configuration segment.
- D. The 0 sign is a JSON array that holds Xf.1L attributes from the Junos configuration segment.
Answer: D
NEW QUESTION 25
Exhibit.
Referring to the exhibit, which statement about REST is correct?
- A. The device is configured to allow HTTP connections on port 3030.
- B. The device is configured to allow only two simultaneous REST connections.
- C. The device is configured to allow HTTPS connections on port 3443.
- D. The device is configured to allow connections from the REST API Explorer
Answer: C
NEW QUESTION 26
Which two statements about DevOps are correct? (Choose two.)
- A. DevOps is a methodology that ensures that collaboration does not occur across organizational boundaries
- B. DevOps is a methodology that allows for frequent, quick modifications
- C. DevOps is a methodology used to develop software or systems
- D. DevOps is a methodology that is limited to small codebase development
Answer: B,C
NEW QUESTION 27
Which Ansible module would be used to obtain basic information about a Junos device?
- A. juniper_junos_info
- B. juniper_junos_config
- C. juniper_junos_rpc
- D. juniper_junos_facts
Answer: D
Explanation:
Explanation/Reference: https://docs.ansible.com/ansible/latest/collections/junipernetworks/junos/ junos_facts_module.html
NEW QUESTION 28
Exhibit.
What is the function of the . // syntax in the code shown in the exhibit?
- A. to perform the return function
- B. to format the output as rich text
- C. to return a tree of data from the text
- D. to perform a recursive search at all levels
Answer: D
NEW QUESTION 29
Which character is used to separate multiple parameters in a single REST API call?
- A. #
- B. &
- C. =
- D. ?
Answer: B
NEW QUESTION 30
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