JN0-221Preview

What is the default port for NETCONF connections over SSH?

What are two popular methods of data serialization? (Choose two.)

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?

What is a valid JSON object?

Which Python code block is an example of a context manager?

Click the Exhibit button.

>>> print(hardware_count)  
{"˜MX960':10, "˜SRX300': 22, "˜QFX5100': 4}  

Referring to the exhibit, what is the correct method to retrieve the value associated only with "MX960"?

You are using the curl tool to include multiple RPCs in a REST API request.
Which HTTP method must be used for this request?

Click the Exhibit button.

{  
"interface": "ge-0/0/1.0"  
}  

Which type of data is contained in the key of the JSON object shown in the exhibit?

Click the Exhibit button.

Referring to the exhibit, what is the output from the print(x) line?

What is an example of correct XML syntax?

Ansible playbooks are written in which format?

In Python, my_list = [1, 2, 3] is an example of which type of operation?

Which API does the Junos CLI use to modify the configuration database?

What are three elements of Infrastructure as Code (IaC)? (Choose three.)

What will determine which data serialization format is used for interfacing with a system?

Which curl command will successfully retrieve interface information from a Juniper device?

Which statement about using Ansible with a Junos device is correct?

Given the <name> username </name> XML code, what is the information between the opening and closing tags called?

Which two statements about Junos PyEZ RPC(s) are correct? (Choose two.)

Which Junos system process handles NETCONF automation commands?

Which code block shows valid YAML syntax?

What is the advantage of using the REST API?

Which two statements about Ansible are true? (Choose two.)

Which two statements about Ansible are correct? (Choose two.)