ASA FirePOWER Single-Context Monitor-Only Deployment Mode

300-710 By islever Editorial Last updated

Implement Secure Firewall modes

Short answer

C Implement transparent mode with inline tap monitor-only mode on the single-context ASA FirePOWER module to inspect traffic without affecting forwarding.

Question

An engineer is deploying a Cisco ASA Secure Firewall module. The engineer must be able to examine traffic without impacting the network, and the ASA has been deployed with a single context. Which ASA Secure Firewall module deployment mode must be implemented to meet the requirements?
  1. routed mode with inline tap monitor-only mode
  2. transparent mode with passive monitor-only mode
  3. transparent mode with inline tap monitor-only mode Correct Answer
  4. routed mode with passive monitor-only mode

Key Takeaways

It tests the valid pairing of ASA firewall mode with FirePOWER monitor-only traffic diversion, and the main trap is choosing inline tap monitor-only while ignoring that the ASA must be in transparent mode.

This question tests Cisco ASA FirePOWER module deployment modes for single-context traffic inspection without disrupting forwarding. The correct implementation is transparent mode with inline tap monitor-only mode (C).

Common mistake: Option A is tempting because inline tap monitor-only is the right no-impact module mode, but routed ASA mode is not the supported pairing in this single-context scenario.

Expert Analysis

Why the requirement points to monitor-only The engineer needs to inspect traffic without affecting forwarding, so the module cannot be placed in a normal inline blocking path. On an ASA FirePOWER module, monitor-only operation sends a copy of traffic for inspection, so the module can generate events but cannot drop packets. That eliminates any deployment intended to block traffic; because all listed choices include monitor-only, the real discriminator is the valid ASA firewall mode and module diversion-mode pairing.

The attractive trap: routed plus inline tap Option A sounds strong because it keeps the two most familiar terms together: routed ASA mode and inline tap monitor-only. Inline tap monitor-only is indeed the single-context monitor-only method asked about, and it satisfies the “without impacting the network” constraint. The failure point is the ASA firewall mode: this single-context no-impact deployment is implemented with the ASA in transparent mode, not routed mode. A common mistake is to focus only on the module’s monitor-only label and ignore the ASA mode in the same option.

Why C is the valid pairing Option C, transparent mode with inline tap monitor-only mode, matches both constraints. Transparent ASA operation supplies the Layer 2 deployment context, and inline tap monitor-only gives the module a copy of traffic for examination while preserving forwarding. Passive monitor-only in options B and D is a different diversion method and is not the single-context inline-tap deployment described here.

Exam takeaway Read each option as two settings, not one. The correct answer is C: transparent mode with inline tap monitor-only mode.

Exam Strategy

For ASA FirePOWER mode questions, separate the ASA firewall mode (routed or transparent) from the module traffic-diversion mode (inline, inline tap monitor-only, passive monitor-only). First decide whether the requirement is inspection-only or blocking; monitor-only rules out a normal inline path. Then use the single-context clue, which points to inline tap monitor-only rather than passive monitoring. Finally reject options that pair inline tap with routed mode, because the supported single-context no-impact combination here is transparent plus inline tap.

Frequently Asked Questions

Why is inline tap monitor-only, rather than passive monitor-only, indicated by the single-context ASA?

Cisco restricts inline tap monitor-only to single-context ASA deployments; it gives the module a copy of traffic for inspection while avoiding a blocking inline path.

Can traffic be blocked in monitor-only mode?

No. Monitor-only mode examines copied traffic and can generate events, but it cannot drop or reset the original flow, which satisfies the no-impact requirement.

What is the role of transparent mode in this deployment?

The ASA firewall mode and the FirePOWER module mode are separate choices; this scenario's supported no-impact pairing is transparent ASA mode with inline tap monitor-only.

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Community Votes

C
85%
A
15%

85% of anonymous learners picked answer C. Votes are pick records left by other test-takers — they are not the verified answer.

Discussion 1 contributions

Compiled from public community threads and reader submissions, lightly edited for clarity. Handles and vote tallies are shown as recorded, and comments reflect the views of individual contributors.

From public community threads 1

  1. networkconsulting87 👍 1 Answered C
    Should be C transpared with inline tap

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