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The questions for NSE7_NST-7.2 were last updated on Jan 19, 2025.
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Refer to the exhibit.
If the default settings are in place, what can you conclude about the conserve mode shown in the exhibit?
Conserve Mode Overview: Conserve mode is a state that FortiGate enters to protect itself from running out of memory. It is triggered when the memory usage reaches certain thresholds.
Thresholds: The default settings for conserve mode thresholds are:
Red Threshold: 88% memory usage.
Extreme Threshold: 95% memory usage.
Green Threshold: 82% memory usage.
Impact on Sessions: When in conserve mode:
New sessions requiring flow-based content inspection are blocked.
New sessions requiring proxy-based content inspection are also blocked to free up memory resources.
Current Memory State in Exhibit: The exhibit shows:
Total RAM: 3040 MB.
Memory used: 2706 MB (89% of total RAM).
Memory usage exceeds the red threshold (88%), thus triggering conserve mode.
Given that the memory usage is above the red threshold and conserve mode is active, the FortiGate will block new sessions requiring both flow-based and proxy-based content inspection to conserve memory.
Fortinet Documentation: Conserve Mode Settings and Management (Fortinet Docs).
Refer to the exhibit, which shows oneway communication of the downstream FortiGate with the upstream FortiGate within a Security Fabric.
What three actions must you take to ensure successful communication? (Choose three.)
The exhibit shows a sniffer capture where TCP port 8013 is being used for communication. The communication appears one-way, indicating potential issues with the upstream FortiGate receiving the necessary packets or being able to respond.
To ensure successful communication in a Security Fabric setup:
Ensure TCP port 8013 is not blocked along the way: Verify that no firewalls or network devices between the downstream and upstream FortiGates are blocking TCP port 8013. This port is crucial for Security Fabric communication.
Authorize the downstream FortiGate on the root FortiGate: In the Security Fabric, the root FortiGate must recognize and authorize the downstream FortiGate to allow proper communication and management.
Enable Security Fabric/Fortitelemetry on the receiving interface of the upstream FortiGate: The upstream FortiGate must have the Security Fabric or Fortitelemetry enabled on the interface that receives the communication from the downstream FortiGate. This enables proper data exchange and monitoring within the Security Fabric.
Fortinet Documentation on Security Fabric Configuration
Fortinet Community Discussion on Port Requirements
Refer to the exhibits.
An administrator is attempting to advertise the network configured on port3. However, FGT-A is not receiving the prefix.
Which two actions can the administrator take to fix this problem'' (Choose two.)
Soft Reset of BGP:
Performing a soft reset of BGP is a common method to resolve issues where prefixes are not being received. It forces both BGP peers to resend their complete routing tables to each other.
This can be done using the command: execute router clear bgp soft in and execute router clear bgp soft out.
Network Import Check:
The network-import-check command controls whether the FortiGate should verify that the prefix exists in the routing table before advertising it.
Disabling this check can resolve issues where valid prefixes are not advertised due to stringent verification.
The command to disable this is: config router bgp set network-import-check disable end.
BGP Configuration Verification:
Ensure that the BGP configuration on FGT-B is correctly set to advertise the network 172.16.54.0/24.
Verify that the network statement is correctly configured and matches the intended prefix.
Fortinet Community: Technical Note on Configuring BGP (Welcome to the Fortinet Community!).
Fortinet Documentation: Configuring BGP on FortiGate (Fortinet Document Library).
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.
Exhibit.
Refer to the exhibit, which shows the output of diagnose sys session list.
If the HA ID for the primary device is 0. what happens if the primary fails and the secondary becomes the primary?
Session Synchronization:
FortiGate HA (High Availability) ensures that active sessions are synchronized between the primary and secondary devices. This synchronization allows for seamless failover and continuity of sessions.
Handling NAT Sessions:
The session in the exhibit has NAT applied, as indicated by the hook=post dir=org act=snat entry. FortiGate's HA setup is designed to handle such sessions, ensuring that traffic continues without interruption during failover.
Session Preservation:
Even with the presence of NAT, the session state is preserved across the HA devices. This means that ongoing sessions do not require re-establishment by the client, thus providing a seamless experience.
Fortinet Documentation: HA session synchronization and failover
Fortinet Community: Understanding session synchronization in FortiGate HA
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