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Fortinet NSE7_NST-7.2 Exam Actual Questions
The questions for NSE7_NST-7.2 were last updated on Oct 2, 2024.
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Refer to the exhibit. which contains the output of diagnose vpn tunnel list.
Which command will capture ESP traffic for the VPN named DialUp_0?
Capturing ESP Traffic:
ESP (Encapsulating Security Payload) traffic is associated with IPsec and is identified by the protocol number 50. To capture ESP traffic, you need to filter packets based on this protocol.
In this specific case, you also need to filter for the host associated with the VPN tunnel, which is 10.200.3.2 as indicated in the exhibit.
Sniffer Command:
The correct command to capture ESP traffic for the VPN named DialUp_0 is:
diagnose sniffer packet any 'esp and host 10.200.3.2'
This command ensures that only ESP packets to and from the specified host are captured, providing a focused and relevant data set for troubleshooting.
Exhibit.
Refer to the exhibit, which shows partial outputs from two routing debug commands.
Why is the port 2 default route not in the second command output?
Routing Table Analysis:
The first command output (get router info routing-table database) shows two default routes:
One via port1 with a distance of 10.
One via port2 with a distance of 20.
The second command output (get router info routing-table all) only shows the route via port1.
Administrative Distance:
The administrative distance (AD) is a measure used by routers to select the best path when there are multiple routes to the same destination. The lower the distance, the more preferred the route.
In this scenario, the route via port1 has a lower distance (10) compared to the route via port2 (20), making it the preferred route.
Route Selection:
Since the route via port1 has a lower distance, it is the only one installed in the active routing table, which is why it appears in the second command output, and the port2 route does not.
Fortinet GURU: Route priority and administrative distance explanations (Fortinet GURU).
Which two statements about conserve mode are true? (Choose two.)
Conserve Mode Activation:
FortiGate enters conserve mode to prevent system crashes when the memory usage reaches critical levels. The 'red threshold' is the point at which FortiGate starts dropping new sessions to conserve memory.
When the system memory usage exceeds this threshold, the FortiGate will block new sessions that require significant memory resources, such as those needing content inspection.
Exiting Conserve Mode:
The 'green threshold' is the memory usage level below which FortiGate exits conserve mode and resumes normal operation.
Once the system memory usage drops below this threshold, FortiGate will start allowing new sessions again.
Refer to the exhibit, which shows the output of a diagnose command.
What can you conclude from the RTT value?
RTT (Round Trip Time):
RTT in the context of the FortiGuard server list indicates the time it takes for a request to be sent to a FortiGuard server and for a response to be received.
This metric helps determine the latency between the FortiGate device and the FortiGuard servers, which is crucial for ensuring efficient and quick updates and responses for services like web filtering and antivirus updates.
Server Selection:
The FortiGate device uses RTT values to prioritize servers. Servers with lower RTT values are preferred as they respond faster, ensuring minimal delay in processing requests.
This improves the overall performance of FortiGuard services by reducing the time it takes to communicate with the servers.
Refer to the exhibit, which shows the output of get router info ospf neighbor.
What can you conclude from the command output?
Understanding OSPF Roles:
In OSPF (Open Shortest Path First), routers can have different roles: Designated Router (DR), Backup Designated Router (BDR), and DROther. These roles help manage and optimize the OSPF network traffic.
DR and BDR are elected to minimize the number of adjacencies and reduce the amount of routing information exchange.
DROther routers are neither DR nor BDR but can still participate in the OSPF network by maintaining adjacencies with DR and BDR.
Analyzing the Exhibit:
The exhibit shows the OSPF neighbor states for the local FortiGate.
Neighbor ID 0.0.0.1 is in the state Full/DR (Designated Router).
Neighbor ID 0.0.0.3 is in the state Full/DROther (DROther).
Neighbor ID 0.0.0.10 has no specific designation, implying it is neither DR nor BDR.
Conclusion:
Since the local FortiGate shows neighbors in Full/DR and Full/DROther states and itself does not have a state of DROther, it can be concluded that the local FortiGate is not a DROther.
Fortinet Documentation: OSPF neighbor states and elections (Fortinet Docs).
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