Question 1,505 of 2,015

Ansible Automation →hardMultiple SelectObjective-mapped

Quick Answer

The correct answer is that the ios_vlan module is used to create and delete VLANs on Cisco IOS devices, as it is a dedicated resource module designed for VLAN management. This is true because Ansible modules for Cisco IOS-XE follow a resource-oriented approach, where ios_vlan directly manipulates VLAN configurations idempotently, meaning applying the same playbook multiple times yields the same result without duplication. On the ENCOR 350-401 exam, this concept tests your understanding of automation tools within the network programmability domain, often appearing in questions that distinguish between modules like ios_config for configuration snippets and ios_command for sending show commands. A common trap is confusing ios_vlan with ios_config for VLAN tasks, but remember that ios_vlan is purpose-built for VLAN CRUD operations. Memory tip: think “VLAN module for VLAN tasks” — the module name tells you its job.

CCNP Ansible Automation Practice Question

This 350-401 practice question tests your understanding of ansible automation. Examine the command output carefully: the correct answer depends on what the output actually shows, not on general recall alone. 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.

Which three statements about Ansible modules for Cisco IOS-XE are true? (Choose three.)

Question 1hardmulti select

Read the full Ansible explanation →

A
The ios_config module supports idempotent configuration changes by comparing the desired state with the running configuration.
Correct: ios_config uses the 'lines' parameter and compares with running config to avoid unnecessary changes.
B
The ios_command module can be used to execute show commands and capture output for parsing.
Correct: ios_command sends CLI commands and returns the output, which can be parsed with regex or filters.
C
The ios_facts module gathers only interface statistics from the device.
Why wrong: Incorrect: ios_facts gathers a broad set of facts including version, hardware, interfaces, and more.
D
The ios_vlan module is used to create and delete VLANs on Cisco IOS devices.
Correct: ios_vlan is a resource module that manages VLANs declaratively.
E
The ios_lldp module can only enable LLDP globally, not on specific interfaces.
Why wrong: Incorrect: ios_lldp can manage both global and per-interface LLDP settings.

Full breakdown with real-world context →

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

✓

The ios_config module supports idempotent configuration changes by comparing the desired state with the running configuration.

The ios_config module manages configuration snippets and supports idempotency via the 'lines' parameter. The ios_command module sends show commands and returns output. The ios_facts module gathers device facts. The ios_vlan module is a dedicated resource module for VLANs. The ios_lldp module manages LLDP settings. Idempotency means applying the same config multiple times yields the same result.

Key principle: A trunk being up does not mean the VLAN is allowed across it. Always verify the allowed VLAN list and whether the VLAN exists on both switches.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

✓
The ios_config module supports idempotent configuration changes by comparing the desired state with the running configuration.
Why this is correct
Correct: ios_config uses the 'lines' parameter and compares with running config to avoid unnecessary changes.
Related concept
Access ports place end devices into a single VLAN.
✓
The ios_command module can be used to execute show commands and capture output for parsing.
Why this is correct
Correct: ios_command sends CLI commands and returns the output, which can be parsed with regex or filters.
Related concept
Access ports place end devices into a single VLAN.
✗
The ios_facts module gathers only interface statistics from the device.
Why it's wrong here
Incorrect: ios_facts gathers a broad set of facts including version, hardware, interfaces, and more.
✓
The ios_vlan module is used to create and delete VLANs on Cisco IOS devices.
Why this is correct
Correct: ios_vlan is a resource module that manages VLANs declaratively.
Related concept
Access ports place end devices into a single VLAN.
✗
The ios_lldp module can only enable LLDP globally, not on specific interfaces.
Why it's wrong here
Incorrect: ios_lldp can manage both global and per-interface LLDP settings.

Common exam traps

Common exam trap: an active trunk can still block the VLAN you need

A trunk being up does not prove every VLAN is crossing it. Check allowed VLAN lists, native VLAN mismatch, VLAN existence and access-port assignment.

Detailed technical explanation

How to think about this question

VLAN questions usually combine access-port and trunking clues. The key is to identify whether the issue is local to one switchport, caused by the trunk, or caused by the VLAN not existing where it needs to exist.

KKey Concepts to Remember

Access ports place end devices into a single VLAN.
Trunk ports carry multiple VLANs between switches.
Allowed VLAN lists decide which VLANs can cross a trunk.
Native VLAN mismatch can create confusing symptoms.

TExam Day Tips

Use show vlan brief to verify access VLANs.
Use show interfaces trunk to verify trunk state and allowed VLANs.
Do not treat every same-VLAN issue as a routing problem.

Key takeaway

A trunk being up does not mean the VLAN is allowed across it. Always verify the allowed VLAN list and whether the VLAN exists on both switches.

Real-world example

How this comes up in practice

A help-desk technician troubleshoots why a newly connected PC cannot reach shared printers on the same floor. The cable is good, the switch port is active, but the PC is in VLAN 20 and the printers are in VLAN 10. The uplink trunk only allows VLAN 10. A trunk being up does not mean every VLAN crosses it.

What to study next

Got this wrong? Here's your next step.

Review VLAN allowed lists, native VLAN mismatch detection, and how to verify VLAN membership with show vlan brief and show interfaces trunk. Then practise related 350-401 questions on switching, trunking, and access-port configuration.

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FAQ

Questions learners often ask

What does this 350-401 question test?

Ansible Automation — This question tests Ansible Automation — Access ports place end devices into a single VLAN..

What is the correct answer to this question?

The correct answer is: The ios_config module supports idempotent configuration changes by comparing the desired state with the running configuration. — The ios_config module manages configuration snippets and supports idempotency via the 'lines' parameter. The ios_command module sends show commands and returns output. The ios_facts module gathers device facts. The ios_vlan module is a dedicated resource module for VLANs. The ios_lldp module manages LLDP settings. Idempotency means applying the same config multiple times yields the same result.

What should I do if I get this 350-401 question wrong?

What is the key concept behind this question?

Access ports place end devices into a single VLAN.

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