300-435: Automating Cisco Enterprise Solutions (ENAUTO 300-435)

Which two actions do Python virtual environments allow users to perform? (Choose two.)

Simplify the CI/CD pipeline when checking a project into a version control system, such as Git.
Efficiently port code between different languages, such as JavaScript and Python.
Run and simulate other operating systems within a development environment.
Quickly create any Python environment for testing and debugging purposes.
Quickly create an isolated Python environment with module dependencies.

Correct answer: DE

Explanation:

Reference: https://realpython.com/python-virtual-environments-a-primer/

What are two benefits of leveraging Ansible for automation of Cisco IOS XE Software? (Choose two.)

Ansible playbooks are packaged and installed on IOS XE devices for automatic execution when an IOS device reboots.
All IOS XE operating systems include Ansible playbooks for basic system administration tasks.
It is a device-independent method for automation and can be used with any type of device or operating system.
Ansible playbooks can be written from the IOS XE EXEC command line to configure the device itself.
It does not require any modules of software except SSH to be loaded on the network device.

Correct answer: AC

Explanation:

Reference: https://developer.cisco.com/learning/modules/intro-ansible-iosxe/ansible-overview/step/4

Refer to the exhibit. The task is to create a Python script to display an alert message when a Meraki MX Security Appliance goes down. The exhibit shows sample data that is received. Which Python snippet displays the device name and the time at which the switch went down?

Correct answer: B

Which two features are foundations of a software-defined network instead of a traditional network? (Choose two.)

control plane and data plane are tightly coupled
build upon a robust software stack
requires device by device-level configurations
automated through expressed intent to a software controller
requires significant physical hardware resources

Correct answer: BD

Explanation:

In traditional networks, control plane and data plane are coupled tightly. It also requires device by device configurations and of course, it uses physical hardware resources to function. Whereas, SDN is based on a software stack. In Cisco SDNs are automated through expressed intent to a software controller.

A new project called “device_status” must be stored in a central Git repository called “device_status” with the first file named “device_status.py”. The Git repository is created using the account python_programmer. Which set of commands inserts the project into Git?

Correct answer: A

Explanation:

Reference: https://help.github.com/en/github/importing-your-projects-to-github/adding-an-existing-project-to-github-using-the-command-line

What are two characteristics of synchronous calls to APIs? (Choose two.)

They can be used only with certain programming languages.
They make your application less portable, so asynchronous calls are preferred.
They can add perceived latency to your application if data is not received.
They block until a response is returned from the servers.
They do not block while waiting for the API to be processed.

Correct answer: CE

Explanation:

Reference: https://docs.cloudmgmt.cisco.com/display/40API/Synchronous+and+Asynchronous+APIs

Refer to the exhibit. What is the result when running the Python scripts?

s1
s2
s1, s2, s3
s3

Correct answer: B

Explanation:

Refer to the exhibit. Which type of YANG container is described by the JSON instance provided?

interface-configurations
active
interface-name
description

Correct answer: A

Explanation:

Reference: https://www.cisco.com/c/en/us/td/docs/routers/asr9000/software/asr9k-r7-0/programmability/configuration/guide/b-programmability-cg-asr9000-70x/b-programmability-cg-asr9000-70x_chapter_011.html

Refer to the exhibit. How many YANG models does the NETCONF <get> operation interact with?

one
two
three
four

Correct answer: A

Explanation:

The get operation tag is at the beginning of the document. It interacted only with NTP and its related services. There get operation interacted only with one model.

Refer to the exhibit. An engineer creates a Python script using RESTCONF to display hostname information. The code must be completed so that it can be tested. Which string completes the highlighted areas in the exhibit?

yang-data+json
yang +json
yang.data+json
json

Correct answer: A

Explanation:

Reference: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/prog/configuration/166/b_166_programmability_cg/restconf_prog_int.html

Vendor:	Cisco
Exam Code:	300-435
Exam Name:	Automating Cisco Enterprise Solutions (ENAUTO 300-435)
Date:	Mar 27, 2020
File Size:	3 MB

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