200-901 Infrastructure and Automation Practice Question
This 200-901 practice question tests your understanding of infrastructure and automation. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A network engineer wants to automate the configuration of multiple Cisco IOS devices using Ansible. What is the minimum requirement on the control node to execute Ansible playbooks against these devices?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "minimum / minimize"
Why it matters: Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
A Linux or macOS control node with Python installed
Ansible uses a push-based architecture where the control node must be a Linux or macOS system with Python installed to execute playbooks. Python is required because Ansible itself is written in Python and relies on it for modules, SSH connections, and Jinja2 templating. No additional database, license, or dedicated management server is needed for basic network automation against Cisco IOS devices.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Ansible Tower license for automated network configuration
Why it's wrong here
Ansible Tower is optional; basic Ansible is sufficient.
✗
A PostgreSQL database to store inventory and credentials
Why it's wrong here
Ansible uses simple files for inventory and credentials; no database required.
✗
A dedicated management server with Ansible Tower installed
Why it's wrong here
Ansible Tower is not a minimum requirement; ansible-core can run on any control node.
✓
A Linux or macOS control node with Python installed
Why this is correct
Ansible requires Python on the control node; network devices only need SSH access.
Clue confirmation
The clue word "minimum / minimize" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the misconception that Ansible requires a dedicated server or commercial product like Ansible Tower, when in fact the minimum requirement is simply a Linux/macOS host with Python and the Ansible package installed.
Detailed technical explanation
How to think about this question
Under the hood, Ansible connects to Cisco IOS devices via SSH using the paramiko library or native OpenSSH, and executes CLI commands through network_cli or ansible.netcommon connection plugins. The control node must have Python 3.6+ and the `ansible` package installed, along with the `cisco.ios` collection for IOS-specific modules like `ios_config` and `ios_command`. A real-world scenario where this matters is a small lab or branch office where a single laptop running Ubuntu acts as the control node, eliminating the need for a dedicated server or Tower license.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A practitioner preparing for the 200-901 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Infrastructure and Automation — This question tests Infrastructure and Automation — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: A Linux or macOS control node with Python installed — Ansible uses a push-based architecture where the control node must be a Linux or macOS system with Python installed to execute playbooks. Python is required because Ansible itself is written in Python and relies on it for modules, SSH connections, and Jinja2 templating. No additional database, license, or dedicated management server is needed for basic network automation against Cisco IOS devices.
What should I do if I get this 200-901 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "minimum / minimize". Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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