350-401 Automation Practice Question
A network engineer is new to automation and wants to use a Python library that provides a simple, high-level interface for interacting with network devices, including Cisco IOS XE, without dealing with low-level SSH or NETCONF details. The engineer needs to quickly script configuration changes and command execution. Which Python library is best suited for this requirement?
⚠ Common exam trap
The trap here is selecting Paramiko because it is a common SSH library, but it lacks the high-level abstractions that Netmiko provides for network devices.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Netmiko
Netmiko is designed to simplify SSH-based interactions with network devices. It provides a high-level, consistent interface across multiple vendors, handling device-specific behaviors like prompt detection and output paging. For a network engineer new to automation who needs to quickly script configuration changes and command execution on Cisco IOS XE, Netmiko is the most appropriate choice. It reduces the complexity of low-level SSH libraries.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Requests
Why it's wrong here
Requests is a Python library for making HTTP requests, commonly used with REST APIs. It does not natively support SSH or NETCONF, which are typical for network device automation. While RESTCONF could be used with Requests, the scenario implies a need for a library that handles device interactions directly. Requests is not designed for network device configuration via SSH. Thus, it is not suitable here.
- ✗
Ncclient
Why it's wrong here
Ncclient is a Python library for NETCONF. It provides a low-level interface to NETCONF operations and requires knowledge of YANG models and XML. While powerful, it is not a simple, high-level interface for general device interaction. It is specifically for NETCONF and does not handle SSH CLI. For a beginner wanting to quickly script configuration changes, Ncclient is more complex than needed.
- ✓
Netmiko
Why this is correct
Netmiko is a Python library built on top of Paramiko that simplifies SSH connections to network devices. It handles device-specific prompts, paging, and other nuances, allowing engineers to send configuration commands and retrieve output easily. It supports Cisco IOS XE and many other vendors. For a beginner needing a high-level interface without dealing with low-level details, Netmiko is ideal. It abstracts the complexities of SSH and device interaction.
- ✗
Paramiko
Why it's wrong here
Paramiko is a low-level SSH library for Python. While it can be used to connect to network devices, it requires the engineer to handle device prompts, paging, and other interactions manually. This is more complex and error-prone for beginners. Netmiko builds on Paramiko to provide these higher-level functions. Therefore, Paramiko is not the best choice for a simple, high-level interface.
Go deeper
Related to this question
Learn chapter
SDN Controllers and Cisco ACI
Key term
Python for Network Engineers
Python for Network Engineers is the use of the Python programming language to automate, configure, monitor, and troubleshoot network devices like routers and switches.
Key term
REST API for Network Devices
A REST API for network devices is a set of rules that allows software applications to communicate with routers, switches, and firewalls using standard web methods like GET, POST, PUT, and DELETE over HTTP or HTTPS.
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official Cisco exam blueprint
This 350-401 practice question is part of Courseiva's free Cisco certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 350-401 exam.