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| Certification Vendor: | Fortinet |
|---|---|
| Exam Name: | Fortinet FCSS - Network Security 7.6 Support Engineer |
| Exam Number: | FCSS_NST_SE-7.6 |
| Exam Duration: | 75 minutes |
| Real Exam Qty: | 40 (range: 35–45) |
| Passing Score: | Not publicly disclosed (Pass/Fail result) |
| Related Certifications: | FCSS - SD-WAN 7.6 Architect FCSS - Enterprise Firewall 7.6 Administrator FCSS - LAN Edge 7.6 Architect |
| Exam Format: | Scenario-based questions, Multiple Choice, Multiple Select |
| Exam Price: | $200 USD (excluding taxes) |
| Available Languages: | English |
| Certificate Validity Period: | 2 years |
| Recommended Training: | Fortinet NSE 6 - Network Security Support Engineer Course FortiOS 7.6 Administration and Troubleshooting |
| Exam Registration: | Pearson VUE Registration Fortinet Training Institute |
| Sample Questions: | Fortinet FCSS_NST_SE-7.6 Sample Questions |
| Exam Way: | Online proctored or onsite at Pearson VUE test centers |
| Pre Condition: | No mandatory prerequisites; recommended: NSE 4 certification or equivalent knowledge, networking/security fundamentals, hands-on FortiGate experience |
| Official Syllabus URL: | https://training.fortinet.com/local/staticpage/view.php?page=fcss_network_security |
Wegen der Beliebtheit der Fortinet FCSS_NST_SE-7.6 Zertifizierungsprüfung haben viele Leute an der Fortinet FCSS_NST_SE-7.6 Zertifizierungsprüfung teilgenommen. Sie können ganz unbesorgt die Fragen und Antworten zur Fortinet FCSS_NST_SE-7.6 Zertifizierungsprüfung von Pass4Test benutzen, die Ihnen helfen, die Fortinet FCSS_NST_SE-7.6 Prüfung ganz einfach zu bestehen, und Ihnen auch viele Bequemlichkeiten bringen. Es ist allen bekannt, dass Pass4Test eine spezielle Website ist, die Fragen und Antworten zur Fortinet FCSS_NST_SE-7.6 Zertifizierungsprüfung bietet.
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61. Frage
Refer to the exhibit, which shows the partial output of a real-time OSPF debug.
Why are the two FortiGate devices unable to form an adjacency?
Antwort: D
62. Frage
Refer to the exhibit.
The port1 interface configuration on FortiGate and partial session information for ICMP traffic are shown.
Which two things happen to the session information if a routing change occurs that affects this session? (Choose two answers)
Antwort: B,D
Begründung:
The correct answers are A and C.
The exhibit shows that preserve-session-route is enabled on port1:
config system interface
edit "port1"
set preserve-session-route enable
next
end
The study guide explains the effect of this setting exactly:
"enable: FortiGate marks existing session routing information as persistent, and applies only the modified routes to new sessions" It also states:
"The current route must still be present in the FIB. Otherwise, FortiGate flags the session as dirty and reevaluates it" And the same page further clarifies:
"If you enable this setting, sessions passing through that interface continue to pass without being affected by the routing changes. The routing changes apply only to new sessions. If the route is removed from the FIB, then FortiGate must flag the session as dirty, flush its gateway information, and reevaluate the session." This proves:
A is correct because with preserve-session-route enable, existing sessions are normally preserved and routing changes apply only to new sessions.
C is correct because the session remains unchanged unless the current route is removed from the FIB/routing table, in which case FortiGate dirties and reevaluates the session.
Why the other options are wrong:
B is wrong because when the active route is removed, FortiGate does not simply mark the session dirty and stop there. The study guide says it "flags the session as dirty and reevaluates it", which means route lookup happens again.
D is wrong because the session does change if the active route is removed. FortiGate flushes gateway information and reevaluates the session.
So the verified answers are: A, C.
63. Frage
In which two slates is a given session categorized as ephemeral? (Choose two.)
Antwort: A,C
Begründung:
The study guide states:
"FortiGate categorizes an entry in the session table as an ephemeral session when it is a TCP session that is not fully established (three-way handshake not completed), or when it is a UDP session with only one packet received." This directly proves:
A is correct because a UDP session with only one packet received is ephemeral.
C is correct because a TCP session waiting for the SYN/ACK is not fully established, so it is ephemeral. The study guide's TCP state table shows that the handshake is only completed when the session reaches ESTABLISHED Why the other options are wrong:
B is wrong because once UDP traffic has been seen in both directions, it is no longer the "single packet received" condition described for ephemeral sessions. The study guide says for UDP: 00 = one way, 01 = both ways D is wrong because a TCP session waiting for FIN/ACK is already in the closing stage after establishment, not in the "not fully established" stage. The study guide explains that after both sides close the session, FortiGate can keep it briefly in the table in state value 5 for out-of-order packets after FIN/ACK
64. Frage
Refer to the exhibit.
Partial output of the get vpn ipsec tunnel details command is shown. Based on the output, which two statements are correct? (Choose two.)
Antwort: B,C
Begründung:
The correct answers are C and D .
The study guide's get vpn ipsec tunnel details example shows:
* replay: enabled
* inbound and outbound sections with separate SPIs
* NPU acceleration: encryption(outbound) decryption(inbound) and it labels these as "Phase 2 SAs for each direction" and "Hardware acceleration" This directly proves D. Anti-replay is enabled , because the output explicitly says replay: enabled For the NPU status, the study guide explains the exact npu_flag meanings:
* npu_flag=00 = both IPsec SAs loaded to the kernel
* npu_flag=01 = outbound IPsec SA copied to NPU
* npu_flag=02 = inbound IPsec SA copied to NPU
* npu_flag=03 = both outbound and inbound IPsec SAs copied to NPU
Because the exhibit shows hardware acceleration in both directions - encryption(outbound) and decryption(inbound) - the matching npu_flag is 03 , not 02. That makes C correct and A incorrect.
Why B is wrong:
The same study guide output labels the tunnel as having Phase 2 SAs for each direction , so different inbound and outbound SPIs are normal for the two SAs. Also, the FortiOS administration guide explains that auto-negotiate controls whether phase 2 SA negotiation is initiated automatically, not whether inbound and outbound SPIs are different: "By default the phase 2 security association (SA) is not negotiated until a peer attempts to send data... Auto-negotiate initiates the phase 2 SA negotiation automatically..." So the verified answers are: C, D .
65. Frage
Refer to the exhibit.
FortiGate is showing continuous high CPU usage During a maintenance window, the CLI command diagnose sys top displays the output shown in the exhibit. The CLI command diagnose twat application ipsmonitor 5 was run. but the CPU usage by daemon ipsengine did not drop Which immediate action can you take to reduce the CPU usage effectively?
Antwort: C
Begründung:
To solve this high CPU usage scenario involving the ipsengine, we must understand the specific functions of the diagnose test application ipsmonitor commands shown in the troubleshooting steps.
Analyze the Situation:
Exhibit: The diagnose sys top output shows the ipsengine process is in a run state (R) consuming 99% CPU.
Previous Action: The administrator already ran diagnose test application ipsmonitor 5.
Result: The CPU usage did not drop.
Understand the Commands:
diagnose test application ipsmonitor 5: This command toggles IPS Bypass Mode. When enabled, the IPS engine lets traffic pass through without inspection.
Implication: If the CPU was high due to traffic volume, enabling bypass would drop the CPU load immediately.
Failure: Since the CPU remained at 99% after bypass, the ipsengine process is likely frozen, stuck, or in an internal infinite loop unrelated to the current traffic flow. The process itself is the problem, not the traffic volume.
Evaluate the Solution (Option B):
diagnose test application ipsmonitor 2: This command toggles the IPS engine's Enable/Disable status.
Because the engine is stuck (bypass failed to relieve pressure), the "Immediate action" required is to stop or restart the process entirely.
Running option 2 effectively disables/kills the stuck IPS engine instance, which will immediately drop the CPU usage to near zero. (It can then be toggled again to restart it).
Why other options are incorrect:
A (Reduce signatures): This is a tuning measure for normal operation, not an immediate fix for a stuck process at 99% CPU.
C (Disable IPS on policies): This is a configuration change that takes time and requires a commit; it is not the most immediate diagnostic tool available.
D (Bypass all IPS engines): This describes the action of command 5 (Bypass), which the prompt explicitly states was already performed and failed.
Reference:
FortiGate Security 7.6 Study Guide (IPS & Diagnostics): "Troubleshooting IPS high CPU: 1. Check top. 2. Try bypass (ipsmonitor 5). 3. If CPU persists, restart the engine (ipsmonitor 99 or 2)."
66. Frage
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FCSS_NST_SE-7.6 Übungsmaterialien: https://www.pass4test.de/FCSS_NST_SE-7.6.html
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