Free Practice Questions for Cisco 300-710 Exam

Fallthrough to interface PAT is a feature that allows the dynamic NAT configuration to use the interface IP address as a last resort when the NAT pool is exhausted. This way, more users can access the internet without running out of resources. To enable this feature, the engineer must check the Enable PAT Fallback check box on the Advanced tab of the NAT rule editor1

The default action setting in a Cisco FTD Access Control Policy determines how the system handles and logs traffic that is not handled by any other access control configuration. The default action can block or trust all traffic without further inspection, or inspect traffic for intrusions and discovery data3.

The Trust All Traffic option allows all traffic from an undefined application to pass without Snort inspection. This option also disables Security Intelligence filtering, file and malware inspection, and URL filtering for all traffic handled by the default action. This option is useful when you want to minimize the performance impact of access control on your network3.

The other options are incorrect because:

The Inherit from Base Policy option inherits the default action setting from the base policy. The base policy is the predefined access control policy that you use as a starting point for creating your own policies. Depending on which base policy you choose, the inherited default action setting can be different3.

The Network Discovery Only option inspects all traffic for discovery data only. This option enables Security Intelligence filtering for all traffic handled by the default action, but disables file and malware inspection, URL filtering, and intrusion inspection. This option is useful when you want to collect information about your network before you configure access control rules3.

The Intrusion Prevention option inspects all traffic for intrusions and discovery data. This option enables Security Intelligence filtering, file and malware inspection, URL filtering, and intrusion inspection for all traffic handled by the default action. This option provides the most comprehensive protection for your network, but also has the most performance impact3.

Transparent firewall mode forwards traffic at Layer 2, so the participating physical interfaces must be assigned to at least one bridge group. This allows the device to inspect traffic while remaining logically transparent to the connected switch stacks. Bridge Protocol Data Units should also be exempted from advanced inspection. BPDUs are essential for spanning-tree operation, and delaying or blocking them during inspection restarts can produce topology instability or an interruption. A BVI provides Layer 3 addressing for device-originated traffic or management but is not inherently required merely to inspect transit traffic. Jumbo-frame configuration is unnecessary unless the network explicitly uses jumbo frames, and separate data and management routes do not establish transparent forwarding. Cisco specifically recommends using an EtherType ACL to trust BPDUs on each bridge-group member interface. Cisco transparent firewall configuration

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