Free Cisco 300-710 Practice Exam with Questions & Answers

A correlation policy is a feature that allows you to respond in real time to threats or specific conditions on your network, using correlation rules. A correlation rule can trigger when the system generates a specific type of event, or when your network traffic deviates from its normal profile1. When a correlation rule triggers, the system generates a correlation event and can also launch a response, such as sending an alert, blocking an IP address, or scanning a host1.

In this case, the security engineer can configure a correlation rule that triggers when the system detects five or more connections from external sources within 2 minutes. The engineer can also configure a response that sends an alert to the FMC or an email recipient when this condition is triggered. The engineer can then create a correlation policy that includes this rule and activate it on the FTD device1.

The other options are incorrect because:

An application detector is a feature that allows you to detect web applications, clients, and application protocols based on patterns in network traffic. An application detector does not generate alerts based on the number of connections from external sources2.

An access control policy is a feature that allows you to control traffic flow through your network and inspect traffic for intrusions, malware, and files. An access control policy does not generate alerts based on the number of connections from external sources3.

An intrusion policy is a feature that allows you to detect and prevent malicious network activity using Snort rules. An intrusion policy does not generate alerts based on the number of connections from external sources4.

Transparent mode is a firewall configuration in which the firewall acts as a “bump in the wire” or a “stealth firewall” and is not seen as a router hop to connected devices. In transparent mode, the firewall can forward traffic at both layer 2 and layer 3 for the same subnet, as it does not perform any address translation or routing. The firewall inspects the traffic and applies security policies based on the source and destination IP addresses, ports, and protocols. Transparent mode is useful when you want to deploy a firewall without changing the existing network topology or addressing scheme1.

https://www.cisco.com/c/en/us/td/docs/security/firepower/623/fdm/fptd-fdm-config-guide-623/fptd-fdm-intrusion.html