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350-401 Premium File: 763 Questions & Answers

Last Update: Oct 20, 2026

350-401 Training Course: 196 Video Lectures

350-401 PDF Study Guide: 636 Pages

$79.99

350-401 Bundle gives you unlimited access to "350-401" files. However, this does not replace the need for a .vce exam simulator. To download your .vce exam simulator click here

Cisco 350-401 Practice Test 90

Question 890

A team wants to push declarative interface changes from a central automation server over SSH to many switches without installing software agents on every switch. The incident evidence is: An engineer insists every switch must run a locally installed Ansible daemon to receive playbooks. Which targeted configuration or design change best addresses the failure?

  1. Choose the supported event detector for the desired one-shot startup or cron schedule instead of a recurring watchdog timer.
  2. Use an agentless orchestration approach such as Ansible playbooks with appropriate network connection plugins.
  3. Prefer supported agentless controller-driven network automation rather than a server-only agent model that needs a device-local daemon.
  4. Use an agent-based desired-state management pattern appropriate to supported server endpoints.

Explanation

Correct Answer

B:

The required correction is: Use an agentless orchestration approach such as Ansible playbooks with appropriate network connection plugins. The underlying failure mechanism is: Ansible uses controller-driven agentless connections in the common network-device workflow. Verify success by carrying out this direct test: check inventory-selected targets receive idempotent configuration while devices require no extra persistent agent.

Incorrect Answers

A:

Choosing the supported event detector for the desired one-shot startup or cron schedule would not meet the need for an agentless orchestration approach such as Ansible playbooks with appropriate network connection plugins.

C:

The needed correction is to use an agentless orchestration approach such as Ansible playbooks with appropriate network connection plugins.

D:

Using an agent-based desired-state management pattern appropriate to supported server endpoints would not meet the need for an agentless orchestration approach such as Ansible playbooks with appropriate network connection plugins.

Question 891

A team wants to push declarative interface changes from a central automation server over SSH to many switches without installing software agents on every switch. The proposed remedy is: Use an agentless orchestration approach such as Ansible playbooks with appropriate network connection plugins. Which observation would most directly confirm that remedy works as intended?

  1. Check inventory-selected targets receive idempotent configuration while devices require no extra persistent agent.
  2. Check the node agent reports and regularly reconciles the declared state after manual drift.
  3. Observe execution frequency during a short lab interval and verify it matches the intended scheduling semantics.
  4. Test the chosen tool's SSH/API transport and configuration idempotency on an isolated router.

Explanation

Correct Answer

A:

The decisive acceptance observation is: Check inventory-selected targets receive idempotent configuration while devices require no extra persistent agent. This tests the working mechanism, while the original incident was: an engineer insists every switch must run a locally installed Ansible daemon to receive playbooks.

Incorrect Answers

B:

This test measures a different behavior: Check the node agent reports and regularly reconciles the declared state after manual drift. It does not establish the target outcome. For the documented fault, the direct acceptance test is: check inventory-selected targets receive idempotent configuration while devices require no extra persistent agent.

C:

This test measures a different behavior: Observe execution frequency during a short lab interval and verify it matches the intended scheduling semantics. It does not establish the target outcome. For the documented fault, the direct acceptance test is: check inventory-selected targets receive idempotent configuration while devices require no extra persistent agent.

D:

This test measures a different behavior: Test the chosen tool's SSH/API transport and configuration idempotency on an isolated router. It does not establish the target outcome. For the documented fault, the direct acceptance test is: check inventory-selected targets receive idempotent configuration while devices require no extra persistent agent.

Question 892

A team wants to push declarative interface changes from a central automation server over SSH to many switches without installing software agents on every switch. During troubleshooting: An engineer insists every switch must run a locally installed Ansible daemon to receive playbooks. Which underlying cause best explains the recorded behavior?

  1. The watchdog timer is periodic and the event detector does not encode a one-time action.
  2. The chosen agent deployment model does not fit network devices' supported management interfaces.
  3. The proposed process lacks the agent-based periodic enforcement expected in the chosen model.
  4. Ansible uses controller-driven agentless connections in the common network-device workflow.

Explanation

Correct Answer

D:

The actual technical cause is: Ansible uses controller-driven agentless connections in the common network-device workflow. It specifically explains the observation: an engineer insists every switch must run a locally installed Ansible daemon to receive playbooks. The correcting configuration is: use an agentless orchestration approach such as Ansible playbooks with appropriate network connection plugins.

Incorrect Answers

A:

That diagnosis is supported by a different symptom: An action repeats every second while the operator expected a single run. Here the recorded observation is: an engineer insists every switch must run a locally installed Ansible daemon to receive playbooks. The applicable cause is: ansible uses controller-driven agentless connections in the common network-device workflow.

B:

That diagnosis is supported by a different symptom: Provisioning cannot start because the selected orchestration method expects an unsupported resident agent on the router. Here the recorded observation is: an engineer insists every switch must run a locally installed Ansible daemon to receive playbooks. The applicable cause is: ansible uses controller-driven agentless connections in the common network-device workflow.

C:

That diagnosis is supported by a different symptom: A server's configuration drifts for weeks because no agent checks the intended state between runs. Here the recorded observation is: an engineer insists every switch must run a locally installed Ansible daemon to receive playbooks. The applicable cause is: ansible uses controller-driven agentless connections in the common network-device workflow.

Question 893

A team wants to push declarative interface changes from a central automation server over SSH to many switches without installing software agents on every switch. The initial change is: Use an agentless orchestration approach such as Ansible playbooks with appropriate network connection plugins. Which continuing control most directly prevents a recurrence of the documented problem: An engineer insists every switch must run a locally installed Ansible daemon to receive playbooks.

  1. Monitor agent health and certificate rotation for declarative configuration convergence.
  2. Document EEM event scheduling and bound repeated commands before production use.
  3. Maintain inventory, credential vaulting and dry-run or check-mode discipline for network playbooks.
  4. Match tool architecture to available device APIs and verify change rollback on representative hardware.

Explanation

Correct Answer

C:

The continuing protective control is: Maintain inventory, credential vaulting and dry-run or check-mode discipline for network playbooks. This addresses the underlying failure mechanism: ansible uses controller-driven agentless connections in the common network-device workflow. The corresponding operational check is: check inventory-selected targets receive idempotent configuration while devices require no extra persistent agent.

Incorrect Answers

A:

That control reduces a separate risk: The proposed process lacks the agent-based periodic enforcement expected in the chosen model. For the described design, the recurring risk arises from: ansible uses controller-driven agentless connections in the common network-device workflow. The specific required safeguard is: maintain inventory, credential vaulting and dry-run or check-mode discipline for network playbooks.

B:

That control reduces a separate risk: The watchdog timer is periodic and the event detector does not encode a one-time action. For the described design, the recurring risk arises from: ansible uses controller-driven agentless connections in the common network-device workflow. The specific required safeguard is: maintain inventory, credential vaulting and dry-run or check-mode discipline for network playbooks.

D:

That control reduces a separate risk: The chosen agent deployment model does not fit network devices' supported management interfaces. For the described design, the recurring risk arises from: ansible uses controller-driven agentless connections in the common network-device workflow. The specific required safeguard is: maintain inventory, credential vaulting and dry-run or check-mode discipline for network playbooks.

Question 894

An enterprise considers Puppet agents to maintain servers' desired state continuously rather than relying on a central-only push at irregular intervals. The incident evidence is: A server's configuration drifts for weeks because no agent checks the intended state between runs. Which targeted configuration or design change best addresses the failure?

  1. Use an agent-based desired-state management pattern appropriate to supported server endpoints.
  2. Prefer supported agentless controller-driven network automation rather than a server-only agent model that needs a device-local daemon.
  3. Create an EEM applet with an interface-state syslog/event trigger and an approved `action cli` sequence.
  4. Use an agentless orchestration approach such as Ansible playbooks with appropriate network connection plugins.

Explanation

Correct Answer

A:

The required correction is: Use an agent-based desired-state management pattern appropriate to supported server endpoints. The underlying failure mechanism is: The proposed process lacks the agent-based periodic enforcement expected in the chosen model. Verify success by carrying out this direct test: check the node agent reports and regularly reconciles the declared state after manual drift.

Incorrect Answers

B:

The needed correction is to use an agent-based desired-state management pattern appropriate to supported server endpoints.

C:

Creating an EEM applet with an interface-state syslog/event trigger and an approved `action cli` sequence would not meet the need for an agent-based desired-state management pattern appropriate to supported server endpoints.

D:

Using an agentless orchestration approach such as Ansible playbooks with appropriate network connection plugins would not meet the need for an agent-based desired-state management pattern appropriate to supported server endpoints.

Question 895

An enterprise considers Puppet agents to maintain servers' desired state continuously rather than relying on a central-only push at irregular intervals. The proposed remedy is: Use an agent-based desired-state management pattern appropriate to supported server endpoints. Which observation would most directly confirm that remedy works as intended?

  1. Check the node agent reports and regularly reconciles the declared state after manual drift.
  2. Test the chosen tool's SSH/API transport and configuration idempotency on an isolated router.
  3. Administratively bounce a test interface and verify one diagnostic report is produced by the applet.
  4. Check inventory-selected targets receive idempotent configuration while devices require no extra persistent agent.

Explanation

Correct Answer

A:

The decisive acceptance observation is: Check the node agent reports and regularly reconciles the declared state after manual drift. This tests the working mechanism, while the original incident was: a server's configuration drifts for weeks because no agent checks the intended state between runs.

Incorrect Answers

B:

This test measures a different behavior: Test the chosen tool's SSH/API transport and configuration idempotency on an isolated router. It does not establish the target outcome. For the documented fault, the direct acceptance test is: check the node agent reports and regularly reconciles the declared state after manual drift.

C:

This test measures a different behavior: Administratively bounce a test interface and verify one diagnostic report is produced by the applet. It does not establish the target outcome. For the documented fault, the direct acceptance test is: check the node agent reports and regularly reconciles the declared state after manual drift.

D:

This test measures a different behavior: Check inventory-selected targets receive idempotent configuration while devices require no extra persistent agent. It does not establish the target outcome. For the documented fault, the direct acceptance test is: check the node agent reports and regularly reconciles the declared state after manual drift.

Question 896

An enterprise considers Puppet agents to maintain servers' desired state continuously rather than relying on a central-only push at irregular intervals. During troubleshooting: A server's configuration drifts for weeks because no agent checks the intended state between runs. Which underlying cause best explains the recorded behavior?

  1. The EEM event detector pattern never matches the actual syslog text or event type.
  2. The chosen agent deployment model does not fit network devices' supported management interfaces.
  3. Ansible uses controller-driven agentless connections in the common network-device workflow.
  4. The proposed process lacks the agent-based periodic enforcement expected in the chosen model.

Explanation

Correct Answer

D:

The actual technical cause is: The proposed process lacks the agent-based periodic enforcement expected in the chosen model. It specifically explains the observation: a server's configuration drifts for weeks because no agent checks the intended state between runs. The correcting configuration is: use an agent-based desired-state management pattern appropriate to supported server endpoints.

Incorrect Answers

A:

That diagnosis is supported by a different symptom: The device logs an interface-down event but no EEM action runs. Here the recorded observation is: a server's configuration drifts for weeks because no agent checks the intended state between runs. The applicable cause is: the proposed process lacks the agent-based periodic enforcement expected in the chosen model.

B:

That diagnosis is supported by a different symptom: Provisioning cannot start because the selected orchestration method expects an unsupported resident agent on the router. Here the recorded observation is: a server's configuration drifts for weeks because no agent checks the intended state between runs. The applicable cause is: the proposed process lacks the agent-based periodic enforcement expected in the chosen model.

C:

That diagnosis is supported by a different symptom: An engineer insists every switch must run a locally installed Ansible daemon to receive playbooks. Here the recorded observation is: a server's configuration drifts for weeks because no agent checks the intended state between runs. The applicable cause is: the proposed process lacks the agent-based periodic enforcement expected in the chosen model.

Question 897

An enterprise considers Puppet agents to maintain servers' desired state continuously rather than relying on a central-only push at irregular intervals. Select TWO complementary decisions: the direct technical remedy and a safeguard against recurrence. A verification-only step cannot substitute for either action.

  1. Monitor agent health and certificate rotation for declarative configuration convergence.
  2. Create an EEM applet with an interface-state syslog/event trigger and an approved `action cli` sequence.
  3. Use an agent-based desired-state management pattern appropriate to supported server endpoints.
  4. Use an agentless orchestration approach such as Ansible playbooks with appropriate network connection plugins.
  5. Match tool architecture to available device APIs and verify change rollback on representative hardware.

Explanation

Correct Answers

A:

The continuing protective control is: Monitor agent health and certificate rotation for declarative configuration convergence. This addresses the underlying failure mechanism: the proposed process lacks the agent-based periodic enforcement expected in the chosen model. The corresponding operational check is: check the node agent reports and regularly reconciles the declared state after manual drift.

C:

The required correction is: Use an agent-based desired-state management pattern appropriate to supported server endpoints. The underlying failure mechanism is: The proposed process lacks the agent-based periodic enforcement expected in the chosen model. Verify success by carrying out this direct test: check the node agent reports and regularly reconciles the declared state after manual drift.

Incorrect Answers

B:

An EEM applet automates network-device events; it is not the agent-based desired-state configuration model the server team is considering.

D:

Ansible playbooks can perform agentless orchestration, but the requirement specifically calls for continuously reconciling server agents.

E:

That control reduces a separate risk: The chosen agent deployment model does not fit network devices' supported management interfaces. For the described design, the recurring risk arises from: the proposed process lacks the agent-based periodic enforcement expected in the chosen model. The specific required safeguard is: monitor agent health and certificate rotation for declarative configuration convergence.

Question 898

A campus team wants to compare orchestration products for a one-time IOS XE router provisioning campaign with no feasible device-resident agent installation. The incident evidence is: Provisioning cannot start because the selected orchestration method expects an unsupported resident agent on the router. Which targeted configuration or design change best addresses the failure?

  1. Use an agentless orchestration approach such as Ansible playbooks with appropriate network connection plugins.
  2. Use an agent-based desired-state management pattern appropriate to supported server endpoints.
  3. Send a schema-valid boolean value according to the model rather than an arbitrary string.
  4. Prefer supported agentless controller-driven network automation rather than a server-only agent model that needs a device-local daemon.

Explanation

Correct Answer

D:

The required correction is: Prefer supported agentless controller-driven network automation rather than a server-only agent model that needs a device-local daemon. The underlying failure mechanism is: The chosen agent deployment model does not fit network devices' supported management interfaces. Verify success by carrying out this direct test: test the chosen tool's SSH/API transport and configuration idempotency on an isolated router.

Incorrect Answers

A:

Ansible uses controller-driven agentless connections in the common network-device workflow. The chosen agent deployment model does not fit network devices' supported management interfaces.

B:

The proposed process lacks the agent-based periodic enforcement expected in the chosen model. The chosen agent deployment model does not fit network devices' supported management interfaces.

C:

The supplied value is outside the YANG leaf's declared type/constraints. The chosen agent deployment model does not fit network devices' supported management interfaces.

Question 899

A campus team wants to compare orchestration products for a one-time IOS XE router provisioning campaign with no feasible device-resident agent installation. The proposed remedy is: Prefer supported agentless controller-driven network automation rather than a server-only agent model that needs a device-local daemon. Which observation would most directly confirm that remedy works as intended?

  1. Test the chosen tool's SSH/API transport and configuration idempotency on an isolated router.
  2. Check model validation and verify the resulting enabled state through the operational datastore.
  3. Check inventory-selected targets receive idempotent configuration while devices require no extra persistent agent.
  4. Check the node agent reports and regularly reconciles the declared state after manual drift.

Explanation

Correct Answer

A:

The decisive acceptance observation is: Test the chosen tool's SSH/API transport and configuration idempotency on an isolated router. This tests the working mechanism, while the original incident was: provisioning cannot start because the selected orchestration method expects an unsupported resident agent on the router.

Incorrect Answers

B:

This test measures a different behavior: Check model validation and verify the resulting enabled state through the operational datastore. It does not establish the target outcome. For the documented fault, the direct acceptance test is: test the chosen tool's SSH/API transport and configuration idempotency on an isolated router.

C:

This test measures a different behavior: Check inventory-selected targets receive idempotent configuration while devices require no extra persistent agent. It does not establish the target outcome. For the documented fault, the direct acceptance test is: test the chosen tool's SSH/API transport and configuration idempotency on an isolated router.

D:

This test measures a different behavior: Check the node agent reports and regularly reconciles the declared state after manual drift. It does not establish the target outcome. For the documented fault, the direct acceptance test is: test the chosen tool's SSH/API transport and configuration idempotency on an isolated router.

Question 900

A campus team wants to compare orchestration products for a one-time IOS XE router provisioning campaign with no feasible device-resident agent installation. During troubleshooting: Provisioning cannot start because the selected orchestration method expects an unsupported resident agent on the router. Which underlying cause best explains the recorded behavior?

  1. Ansible uses controller-driven agentless connections in the common network-device workflow.
  2. The chosen agent deployment model does not fit network devices' supported management interfaces.
  3. The supplied value is outside the YANG leaf's declared type/constraints.
  4. The proposed process lacks the agent-based periodic enforcement expected in the chosen model.

Explanation

Correct Answer

B:

The actual technical cause is: The chosen agent deployment model does not fit network devices' supported management interfaces. It specifically explains the observation: provisioning cannot start because the selected orchestration method expects an unsupported resident agent on the router. The correcting configuration is: prefer supported agentless controller-driven network automation rather than a server-only agent model that needs a device-local daemon.

Incorrect Answers

A:

That diagnosis is supported by a different symptom: An engineer insists every switch must run a locally installed Ansible daemon to receive playbooks. Here the recorded observation is: provisioning cannot start because the selected orchestration method expects an unsupported resident agent on the router. The applicable cause is: the chosen agent deployment model does not fit network devices' supported management interfaces.

C:

That diagnosis is supported by a different symptom: NETCONF returns invalid-value or validation failure for the leaf. Here the recorded observation is: provisioning cannot start because the selected orchestration method expects an unsupported resident agent on the router. The applicable cause is: the chosen agent deployment model does not fit network devices' supported management interfaces.

D:

That diagnosis is supported by a different symptom: A server's configuration drifts for weeks because no agent checks the intended state between runs. Here the recorded observation is: provisioning cannot start because the selected orchestration method expects an unsupported resident agent on the router. The applicable cause is: the chosen agent deployment model does not fit network devices' supported management interfaces.


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