300-710 Cisco Securing Networks with Cisco Firepower (300-710 SNCF) exact Exam Questions

Securing Networks with Cisco Firepower (300-710 SNCF)

Last Update 6 hours ago Total Questions : 385

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Question # 91

In a multi-tennent deployment where multiple domains are in use. which update should be applied outside of the Global Domain?

minor upgrade

local import of intrusion rules

Cisco Geolocation Database

local import of major upgrade

Question # 92

An engineer must permit SSH on the inside interface of a Cisco Secure Firewall Threat Defense device. SSH is currently permitted only on the management interface. Which type of policy

must the engineer configure?

platform policy

access control policy

NAT policy

intrusion policy

Question # 93

Drag and drop the steps to restore an automatic device registration failure on the standby Cisco FMC from the left into the correct order on the right. Not all options are used.

Question # 94

An administrator configures the interfaces of a Cisco Secure Firewall Threat Defence device in an inline IPS deployment. The administrator completes these actions:

* identifies the device and the interfaces

* sets the interface mode to inline

* enables the interlaces

Which configuration step must the administrator take next to complete the implementation?

Enable spanning-tree PortFast on the interfaces.

Configure an inline set

Set the interface to Transparent mode.

Set the interface to routed mode.

Question # 95

Which Firepower feature allows users to configure bridges in routed mode and enables devices to perform Layer 2 switching between interfaces?

FlexConfig

BDI

SGT

IRB

Question # 96

An engineer must investigate a connectivity issue from an endpoint behind a Cisco FTD device and a public DNS server. The endpoint cannot perform name resolution queries. Which action must the engineer perform to troubleshoot the issue by simulating real DNS traffic on the Cisco FTD while verifying the Snarl verdict?

Perform a Snort engine capture using tcpdump from the FTD CLI.

Use the Capture w/Trace wizard in Cisco FMC.

Create a Custom Workflow in Cisco FMC.

Run me system support firewall-engine-debug command from me FTD CLI.

Answer:

Explanation:

The Capture w/Trace wizard in Cisco FMC allows you to capture packets on an FTD device and trace their path through the Snort engine. This can help you troubleshoot connectivity issues from an endpoint behind an FTD device and a public DNS server, as well as verify the Snort verdict for the DNS traffic. The Capture w/Trace wizard lets you specify the source and destination IP addresses, ports, and protocols for the packets you want to capture and trace, as well as the FTD device and interface where you want to perform the capture. You can also apply filters to limit the capture size and duration. After you start the capture, you can ping the DNS server from the endpoint and then view the captured packets and their Snort verdicts in the FMC web interface2.

To use the Capture w/Trace wizard in Cisco FMC, you need to follow these steps2:

In the FMC web interface, navigate to Troubleshooting > Capture/Trace.

Click New Capture.

Choose an FTD device from the Device drop-down list.

Choose an interface from the Interface drop-down list.

Enter the source and destination IP addresses, ports, and protocols for the packets you want to capture and trace. For example, if you want to capture DNS queries from an endpoint with IP address 10.1.1.100 to a DNS server with IP address 8.8.8.8, you can enter these values:

Source IP: 10.1.1.100

Source Port: any

Destination IP: 8.8.8.8

Destination Port: 53

Protocol: UDP

Optionally, apply filters to limit the capture size and duration. For example, you can set the maximum number of packets to capture, the maximum capture file size, or the maximum capture time.

Click Start.

Ping the DNS server from the endpoint and wait for some packets to be captured.

Click Stop to stop the capture.

Click View Capture to see the captured packets and their Snort verdicts.

The other options are incorrect because:

Performing a Snort engine capture using tcpdump from the FTD CLI will not allow you to trace the path of the packets through the Snort engine or verify their Snort verdicts. Tcpdump is a command-line tool that can capture packets on an FTD device, but it does not provide any information about how Snort processes those packets or what actions Snort takes on them2.

Creating a Custom Workflow in Cisco FMC will not help you troubleshoot a connectivity issue from an endpoint behind an FTD device and a public DNS server. A Custom Workflow is a user-defined set of pages that display event data in different formats, such as tables, charts, maps, and so on. A Custom Workflow does not allow you to capture or trace packets on an FTD device3.

Running the system support firewall-engine-debug command from the FTD CLI will not allow you to simulate real DNS traffic on the FTD device or verify the Snort verdict for that traffic. The firewall-engine-debug command is a diagnostic tool that can generate synthetic packets and send them through the Snort engine on an FTD device. The synthetic packets are not real network traffic and do not affect any connections or policies on the FTD device4.

Question # 97

Refer to the exhibit. Users attempt to connect to numerous external resources on various TCP ports. If the users mistype the port, their connection closes immediately, and it takes more than one minute before the connection is torn down. An engineer manages to capture both types of connections as shown in the exhibit. What must the engineer configure to lower the timeout values for the second group of connections and resolve the user issues?

Outbound access rule with the Block with reset action

Outbound access rule that allows the entire ICMP protocol suite

Inbound access rule that allows TCP reset packets from outside

Question # 98

An engineer is setting up a new Firepower deployment and is looking at the default FMC policies to start the implementation During the initial trial phase, the organization wants to test some common Snort rules while still allowing the majority of network traffic to pass Which default policy should be used?

Maximum Detection

Security Over Connectivity

Balanced Security and Connectivity

Connectivity Over Security

Question # 99

Which two conditions are necessary for high availability to function between two Cisco FTD devices? (Choose two.)

The units must be the same version

Both devices can be part of a different group that must be in the same domain when configured within the FMC.

The units must be different models if they are part of the same series.

The units must be configured only for firewall routed mode.

The units must be the same model.

Question # 100

An organization is implementing Cisco FTD using transparent mode in the network. Which rule in the default Access Control Policy ensures that this deployment does not create a loop in the network?

ARP inspection is enabled by default.

Multicast and broadcast packets are denied by default.

STP BPDU packets are allowed by default.

ARP packets are allowed by default.