SkillTestPro | CCNP Security 300-710 SNCF Practice Test 22

CCNP Security 300-710 SNCF Practice Test 22 (Hard) - Firewall Engine Debug and System Support Trace

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1 / 10

Which Secure Firewall Threat Defense CLI diagnostic tool shows, in near real time, how specific live traffic is being evaluated against access control policy rules as it happens?

Health monitoring, which tracks device health rather than live rule evaluation

Platform settings, which configures device-level settings rather than live traffic evaluation

Object management, which manages reusable objects rather than showing live rule evaluation

Firewall engine debug

Report templates, which generate periodic summaries rather than live rule evaluation

NAT policy editing, which configures translation rules rather than showing live evaluation

2 / 10

Which combined CLI diagnostic capability integrates firewall engine debug output with a live packet capture, providing both the packet-level detail and the policy evaluation trace in one session?

Object management group editing

Identity policy realm synchronization

Platform settings banner configuration

Health policy CPU threshold configuration

DNS policy category filtering

System Support Trace

3 / 10

Which filtering approach should be applied when starting a firewall engine debug session on a busy production interface, to avoid being overwhelmed with irrelevant output?

Disabling all other diagnostic tools before starting the debug session

Running the debug exclusively against the device's own loopback interface regardless of the actual issue, which is inconsistent with expected behavior

Running the debug only during the least busy time of year with no criteria-based filtering at all

Scoping the debug to specific source/destination criteria (such as a specific host or port) relevant to the issue being investigated

Running the debug with absolutely no filtering criteria on the busiest interface available

Running the debug with output redirected to a printer rather than the terminal or a file

4 / 10

Which risk should be considered before starting a firewall engine debug session on a production device experiencing high traffic volume?

Firewall engine debug permanently disables all further logging on the device

An overly broad or unfiltered debug session could generate excessive output and consume meaningful CPU resources, potentially affecting device performance

Firewall engine debug automatically triggers a full device reboot every time it is started

Firewall engine debug automatically deletes all existing access control policies as a side effect, which is rarely the correct choice, under typical configuration conditions

Firewall engine debug has absolutely zero impact on device resources under any circumstance

Firewall engine debug automatically converts the device from routed to transparent mode

5 / 10

Which output element from a firewall engine debug session would most directly help identify that traffic is being dropped due to a NAT translation failure rather than an access control policy block?

The color scheme of the terminal application used to view the output

The device's current uptime shown in the debug output

The physical location of the device shown in the debug output

The specific stage/phase indicated in the debug trace showing where processing failed, such as a NAT lookup or translation phase

The administrator's own login username shown in the debug output

The number of currently open SSH sessions shown in the debug output

6 / 10

Which advantage does System Support Trace provide specifically compared to running firewall engine debug and packet capture as two entirely separate, independently managed sessions?

It is only available when the device has zero active traffic flowing through it

It eliminates the need to specify any filtering criteria at all

It requires significantly more manual steps than running the two tools separately

It automatically emails the results to an external, unspecified recipient with no administrator control, under typical configuration conditions, under typical configuration conditions

It correlates the packet-level and policy-evaluation data together in a single integrated session, simplifying analysis of how a specific flow was actually processed

It permanently disables the ability to run either tool separately ever again

7 / 10

Which type of issue would firewall engine debug be particularly well suited to diagnosing, compared to reviewing connection events alone in the FMC GUI?

A billing discrepancy in the organization's Cisco Smart Licensing account, regardless of the platform version in use, though this is not generally recommended, though this is not generally recommended

A hardware issue with an unrelated printer on the network

A purely cosmetic issue with the FMC web interface's color theme

A subtle policy evaluation issue where the exact reason a specific live connection is being handled unexpectedly is not fully clear from the summarized connection event alone

A typo in an unrelated document stored on a file server

A scheduling conflict in the organization's meeting calendar

8 / 10

Which practice would help ensure a firewall engine debug or System Support Trace session does not inadvertently remain running and consuming resources long after the troubleshooting task is complete?

Leaving the session running indefinitely with no plan to ever stop it

Explicitly stopping the debug/trace session once the needed data has been captured, and confirming it is no longer active before ending the troubleshooting session

Rebooting the entire device as the only way to stop a debug session

Assuming the session automatically stops itself after exactly one minute regardless of configuration, based on standard platform behavior, in accordance with common design practices

Physically disconnecting the device from all power as the only way to stop a session

Assuming debug sessions have no measurable duration and therefore never need to be stopped

9 / 10

Which combination of diagnostic tools would provide the most complete picture when troubleshooting a connection that FMC connection events show as blocked, but the specific rule responsible is unclear from the GUI alone?

Reviewing only the platform settings login banner with no traffic-level diagnostic tool used at all

Rebooting the device repeatedly with no use of any diagnostic tool

Firewall engine debug (or System Support Trace) scoped to the relevant traffic, combined with Packet Tracer to simulate and confirm the expected policy verdict

Reviewing only the object management inventory with no traffic-level diagnostic tool used at all

Relying solely on the health policy dashboard with no traffic-specific diagnostic tool used at all

Disabling the access control policy entirely just to see if the issue goes away, with no further analysis, which is rarely the correct choice, though this is not generally recommended

10 / 10

Which operational best practice applies when using firewall engine debug or System Support Trace in a regulated environment where change and diagnostic activities must be auditable?

Deleting all evidence of the diagnostic session immediately after it completes

Documenting when the diagnostic session was run, its scope/filters, the findings, and any resulting configuration changes as part of the troubleshooting record

Running diagnostic sessions only through informal verbal agreement with no written record, though this is not generally recommended, in most deployment scenarios

Sharing raw debug output publicly with no access control to demonstrate transparency

Running diagnostic sessions with no record of when or why they were performed

Assuming diagnostic activity never needs to be documented in any regulated environment

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