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An administrator is configuring the interface of a Cisco Secure Firewall Threat Defense device in a passive IPS deployment. The device and interface have been identified. Which set of configuration steps of the administrator take next to complete the implementation?
Answer : D
In a passive IPS deployment for a Cisco Secure Firewall Threat Defense (FTD) device, the administrator must configure the interface to operate in passive mode. This involves setting the interface mode, associating it with a security zone, enabling the interface, and setting the MTU parameter.
Steps:
Set the interface mode to passive:
In FMC, navigate to Devices > Device Management.
Select the FTD device and configure the relevant interface.
Set the interface mode to 'Passive.'
Associate the interface with a security zone:
Create or select an appropriate security zone.
Assign the passive interface to this security zone.
Enable the interface:
Ensure the interface is enabled to receive traffic.
Set the MTU parameter:
Configure the Maximum Transmission Unit (MTU) parameter as required.
This ensures that the FTD device can inspect traffic passively without impacting the network flow.
An engineer must replace a Cisco Secure Firewall high-availability device due to a failure. When the replacement device arrives, the engineer must separate the high-availability pair from Cisco Secure Firewall Management Center Which action must the engineer take first to restore high availability?
Answer : C
When replacing a Cisco Secure Firewall high-availability (HA) device due to a failure, the first step the engineer must take is to unregister the secondary (failed) device from the Cisco Secure Firewall Management Center (FMC). This action separates the HA pair and ensures that the new replacement device can be registered and configured correctly.
Steps:
Access the FMC and navigate to the device management section.
Unregister the failed secondary device to remove it from the HA pair.
Register the replacement device to the FMC.
Reconfigure the HA settings to restore the high-availability configuration.
By unregistering the failed device first, the engineer ensures a clean setup for the replacement device, avoiding potential conflicts or issues in the HA configuration.
A network engineer detects a connectivity issue between Cisco Secure Firewall Management Centre and Cisco Secure Firewall Threat Defense Initial troubleshooting indicates that heartbeats and events not being received. The engineer re-establishes the secure channels between both peers Which two commands must the engineer run to resolve the issue? (Choose two.)
Answer : A, B
When connectivity issues are detected between Cisco Secure Firewall Management Center (FMC) and Cisco Secure Firewall Threat Defense (FTD) devices, and initial troubleshooting indicates that heartbeats and events are not being received, the engineer can run the following commands to resolve the issue by re-establishing secure channels and checking process statuses:
manage_procs.pl: This script is used to manage and restart processes on the FTD device. Running this script can help restart any malfunctioning processes and re-establish connectivity between the FMC and FTD.
sudo stats_unified.pl: This command provides detailed statistics and status of the unified system processes. It helps in diagnosing and resolving issues related to the secure channel and event reporting.
Steps:
Access the FTD CLI.
Run the command manage_procs.pl to restart processes.
Run the command sudo stats_unified.pl to gather detailed process statistics and verify the status.
These commands help resolve connectivity issues by ensuring that all necessary processes are running correctly and secure channels are re-established.
A network administrator is deploying a new Cisco Secure Firewall Threat Defense (FTD) firewall After Cisco Secure FTD is deployed, inside clients nave intermittent connectivity to each other. When ... the packet capture on the Secure FTD firewall, the administrator sees that Secure FID is responding to all the AW requests on the inside network. Which action must the network administrator e to resolve the issue''
Answer : A
If inside clients have intermittent connectivity issues and the Cisco Secure FTD is responding to all ARP requests on the inside network, it indicates that there may be an incorrect proxy ARP configuration in the NAT policy. Proxy ARP can cause the FTD to respond to ARP requests on behalf of other devices, leading to connectivity issues.
Steps to resolve:
Review the NAT policy on the FTD to identify any incorrect proxy ARP configurations.
Disable the proxy ARP setting for the relevant NAT rules that are causing the issue.
This ensures that the FTD only responds to ARP requests as needed, preventing it from interfering with normal ARP traffic on the inside network.
An organization created a custom application that is being flagged by Cisco Secure Endpoint. The application must be exempt from being flagged. What is the process to meet the requirement?
Answer : B
To exempt a custom application from being flagged by Cisco Secure Endpoint, the organization must precalculate the hash value of the custom application and add it to the allowed applications list. This process involves creating a hash of the executable file, which uniquely identifies it, and then configuring Cisco Secure Endpoint to recognize this hash as trusted.
Steps:
Calculate the hash value (e.g., SHA-256) of the custom application executable.
In the Cisco Secure Endpoint management console, navigate to the policy configuration.
Add the calculated hash value to the list of allowed applications or exclusions.
Save and deploy the updated policy.
By adding the hash value to the allowed applications, Cisco Secure Endpoint will recognize the custom application as trusted and will no longer flag it.
