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Cisco 300-710 Exam - Topic 1 Question 83 Discussion

A network engineer must configure an existing firewall to have a NAT configuration. The now configuration must support more than two interlaces per context. The firewall has previously boon operating transparent mode. The Cisco Secure Firewall Throat Defense (FTD) device has been deregistered from Cisco Secure Firewall Management Center (FMC). Which set of configuration actions must the network engineer take next to meet the requirements?
B) Run the configure firewall routed command from the Secure FTD device CD, and reregister with Secure FMC.
A) Run the configure manager add routed command from the Secure FTD device CL1, and reregister with Secure FMC.
C) Run the configure manager add routed command from the Secure FMC CLI. and reregister with Secure FMC.
D) Run the configure firewall routed command from the Secure FMC CLI. and reregister with Secure FMC.

Cisco 300-710 Exam - Topic 1 Question 83 Discussion

Actual exam question for Cisco's 300-710 exam
Question #: 83
Topic #: 1
[All 300-710 Questions]

A network engineer must configure an existing firewall to have a NAT configuration. The now configuration must support more than two interlaces per context. The firewall has previously boon operating transparent mode. The Cisco Secure Firewall Throat Defense (FTD) device has been deregistered from Cisco Secure Firewall Management Center (FMC). Which set of configuration actions must the network engineer take next to meet the requirements?

Show Suggested Answer Hide Answer
Suggested Answer: B

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.


by Devora at Apr 09, 2024, 03:44 AM

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Leslee
9 months ago
Not sure about this, why would you deregister and then reregister? Seems unnecessary.
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Mabelle
9 months ago
I agree with A, it’s what I’ve always done in similar situations.
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Bok
10 months ago
Wait, can you really run those commands from the FMC CLI? Sounds off.
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Lina
10 months ago
I think B is the better choice, it’s more straightforward.
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Earnestine
10 months ago
Option A seems right, that's the usual command for adding routed mode.
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Detra
10 months ago
I believe the command should be "configure firewall routed" since it directly relates to the firewall's operation, but I need to double-check that.
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Ivan
11 months ago
I’m a bit confused about whether to run the command from the FTD CLI or the FMC CLI. I thought both could work, but I can't recall the specifics.
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Tegan
11 months ago
This question seems similar to one we practiced about configuring NAT on FTD. I feel like "configure manager add routed" might be the right command.
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Rutha
11 months ago
I think I remember that we need to switch to routed mode, but I'm not sure if it's the manager or firewall command we should use.
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Royal
11 months ago
Based on the information provided, I believe the correct answer is option B. Running the "configure firewall routed" command on the FTD device and then reregistering with the FMC should get the firewall configured as required.
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Lauran
11 months ago
I'm a bit confused on the difference between the "configure manager add routed" and "configure firewall routed" commands. I'll need to double-check the documentation to make sure I understand which one is the right approach here.
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Franchesca
11 months ago
Hmm, this seems like a tricky one. I'll need to carefully read through the requirements and think through the steps to configure the firewall properly.
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Krystina
11 months ago
Okay, let's see here. The firewall was previously in transparent mode, and now needs to be in routed mode to support multiple interfaces per context. I think the key is to run the right command on the FTD device to make that change.
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Pedro
11 months ago
Hmm, this looks like a tricky one. I'll need to carefully read through the question and diagram to understand the network setup and what the issue is with the FDB.
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Kerry
11 months ago
Okay, let me break this down step-by-step. If the event Severity is blank, that means we need to determine the state of the event. I'll consider each option carefully.
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Salley
11 months ago
Hmm, I'm not entirely sure about the relationship between the Message Screening pattern and the different types of attacks. I'll need to think this through carefully.
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Evangelina
1 year ago
Ha, trying to configure the firewall from the FMC CLI? That's like trying to change a tire while sitting in the backseat. Option B is the only way to go here.
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Geoffrey
1 year ago
User3: Definitely, running the configure firewall routed command is the best choice.
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Kristeen
1 year ago
User2: Agreed, trying to configure from FMC CLI is a hassle.
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Hortencia
1 year ago
User1: Option B is the way to go.
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Portia
1 year ago
Hmm, I wonder if the network engineer was trying to find a shortcut by configuring the routed mode from the FMC CLI. Nope, gotta do it the right way on the FTD device. Option B is the answer.
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Diane
1 year ago
Seems like taking the shortcut would have caused more issues in the long run. It's important to follow the correct steps.
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Roslyn
1 year ago
That's right. They also need to reregister with Secure FMC after making the configuration changes.
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Maryann
1 year ago
Option B is correct. The network engineer should run the configure firewall routed command from the Secure FTD device CLI.
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Lashandra
1 year ago
I'm not sure why the firewall was previously operating in transparent mode, but the key is to configure the routed mode from the FTD device itself, not the FMC. Option B is the way to go.
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Vilma
1 year ago
Thanks for the clarification. I'll make sure to follow that step when configuring the firewall.
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Francine
1 year ago
Option B is correct. The network engineer should run the configure firewall routed command from the Secure FTD device CD, and then reregister with Secure FMC.
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Michell
1 year ago
Option B is the correct answer. The firewall must be configured to routed mode from the FTD device CLI, not the FMC CLI.
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Theresia
1 year ago
Yes, that's correct. It's important to follow the correct steps to meet the requirements.
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Leonor
1 year ago
Oh, I see. So, we need to configure the firewall to routed mode from the FTD device CLI, right?
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Desire
1 year ago
No, I believe the correct answer is B) Run the configure firewall routed command from the Secure FTD device CLI, and reregister with Secure FMC.
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Dortha
1 year ago
I think the answer is A) Run the configure manager add routed command from the Secure FTD device CLI, and reregister with Secure FMC.
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Toi
1 year ago
Why do you think C is the right answer?
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Cordelia
1 year ago
I disagree, I believe the correct answer is C.
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Toi
1 year ago
I think the answer is A.
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