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Fortinet FCSS_NST_SE-7.6 Exam Overview:

Certification Vendor:Fortinet
Exam Name:FCSS - Network Security 7.6 Support Engineer
Exam Number:FCSS_NST_SE-7.6
Exam Format:Multiple-choice questions, Scenario-based questions
Related Certifications:Fortinet NSE 4 Network Security Professional (legacy equivalent)
Fortinet Certified Professional (FCP) - Network Security
Available Languages:English
Recommended Training:Fortinet Network Security Training
Exam Registration:Fortinet Training Institute Certification Portal
Sample Questions:Fortinet FCSS_NST_SE-7.6 Sample Questions
Exam Way:Online proctored exam via Fortinet certification platform or authorized testing delivery systems.
Pre Condition:Recommended: Fortinet Certified Professional (FCP) - Network Security or equivalent practical experience with FortiGate firewalls.
Official Syllabus URL:https://training.fortinet.com

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Fortinet FCSS_NST_SE-7.6 Exam Syllabus Topics:

TopicDetails
Topic 1
  • System troubleshooting: This section of the exam measures the skills of Network Security Support Engineers and addresses diagnosing and correcting issues within Security Fabric setups, automation stitches, resource utilization, general connectivity, and different operation modes in FortiGate HA clusters. Candidates work with built-in tools to effectively find and resolve faults.
Topic 2
  • Authentication: This section evaluates the abilities of System Administrators and requires troubleshooting both local and remote authentication methods, including resolving Fortinet Single Sign-On (FSSO) problems for secure network access.
Topic 3
  • Security profiles: This part measures skills of Security Operations Specialists and covers identifying and resolving problems linked to FortiGuard services, web filtering configurations, and intrusion prevention systems to maintain protection across network environments.
Topic 4
  • VPN: This section is aimed at IT Professionals and includes diagnosing and addressing issues with IPsec VPNs, specifically IKE version 1 and 2, to secure remote and site-to-site connections within the network infrastructure.
Topic 5
  • Routing: This section focuses on Network Engineers and involves tackling issues related to packet routing using static routes, as well as OSPF and BGP protocols to support enterprise network traffic flow.

Fortinet FCSS - Network Security 7.6 Support Engineer Sample Questions (Q81-Q86):

NEW QUESTION # 81
Refer to the exhibit, which shows the output of a policy route table entry.

Which type of policy route does the output show?

Answer: C


NEW QUESTION # 82
Refer to the exhibit.

The output of the command diagnose vpn tunnels liar is shown.
Which two statements accurately describe the status of the tunnel? (Choose two.)

Answer: C,D

Explanation:
Based on the Fortinet FCSS - Network Security 7.6 documents and the analysis of the VPN tunnel exhibit, here is the verified answer.
Questions no: 91
Verified Answer: A, C
Comprehensive and Detailed Explanation with all FCSS - Network Security 7.6 documents:
To determine the status of the VPN tunnel, we must examine the specific counters and fields in the diagnose vpn tunnel list output provided in the exhibit.
* Analyze Phase 2 Status (Option A):
* The output displays child_num=0.
* In IKEv2 (and IKEv1 implementations in FortiOS), "Child SAs" refer to the Phase 2 (IPsec) Security Associations that carry the actual data traffic.
* A value of 0 indicates that no Phase 2 tunnels are established. If Phase 2 were up, child_num would be at least 1.
* Additionally, under the proxyid section, the field sa=0 confirms there is no active Security Association for that traffic selector.
* Analyze Traffic Status (Option C):
* The stat line shows: rxp=0 txp=0 rxb=0 txb=0.
* rxp (Received Packets) and txp (Transmitted Packets) are both zero. This definitively confirms that no traffic is traversing the tunnel currently. This is expected since Phase 2 is down.
* Analyze Phase 1 Status (Why B is incorrect):
* The tunnel entry exists in the list with a valid tun_id, and NAT-Traversal is active (natt:
mode=keepalive).
* The presence of the tunnel in this command output, along with active Keepalive mechanisms, typically indicates that Phase 1 (IKE SA) is established and the peers are communicating on port 4500 (NAT-T), even though the data tunnels (Phase 2) failed to negotiate. If Phase 1 were down, the tunnel would often not appear in this "list" view or would show different status flags indicating a complete connection failure.
Conclusion: The exhibit shows a scenario where the Phase 1 control channel is likely up (evidenced by the entry existence and NATT keepalives), but the Phase 2 data channel is down (child_num=0), resulting in zero traffic flow (rxp=0/txp=0).


NEW QUESTION # 83
Refer to the exhibit, which shows a partial output of the fssod daemon real-time debug command.

What two conclusions can you draw from the output? (Choose two.)

Answer: A,D

Explanation:
https://community.fortinet.com/t5/FortiGate/Troubleshooting-Tip-How-to-troubleshoot-FSSO-agentless-polling/ta-p/214349 From the snippet we can see that FortiGate (via the fssod daemon) is directly detecting the user logon rather than relying on a separate "collector" or "DC agent." This indicates agentless polling-FortiGate polls the DC's event logs over TCP 445 to discover logons. So: - FSSO is using agentless polling mode to detect logon events - In agentless mode, FortiGate will periodically poll the same IP (the DC) on port 445 to see if the user is still logged on


NEW QUESTION # 84
Refer to the exhibit.
The exhibit shows the output from using the command diagnose debug application samld -1 to diagnose a SAML connection.

Based on this output, what can you conclude?

Answer: C


NEW QUESTION # 85
What can cause an IKEv2 tunnel to go down after it was initially brought up successfully?

Answer: B

Explanation:
The correct answer is A .
The study guide explains the IKEv2 exchange order very clearly:
* "The initial exchanges are: IKE_SA_INIT and IKE_AUTH."
* "Create_Child_SA exchange: Creates a new child SA or rekeys an existing child SA." It also states:
* "After successful IKE_SA_INIT and IKE_AUTH exchanges, the CHILD_SA exchange takes place. In this exchange, the peers negotiate the CHILD_SA and the traffic selectors - traffic selector responder (TSr) and traffic selector initiator (TSi)." That is why A is correct: if the tunnel was initially brought up successfully , then the initial exchanges already succeeded. A later problem during CREATE_CHILD_SA , especially with traffic selectors/phase 2 selectors , can cause the tunnel to fail during rekey or child-SA renegotiation.
Why the other options are wrong:
* B is wrong because proposal mismatch for the IKE SA is handled during IKE_SA_INIT , not after the tunnel is already up. The study guide says IKE_SA_INIT negotiates the security settings to protect the IKE traffic
* C is wrong because a pre-shared key mismatch is part of authentication and would prevent successful initial establishment during IKE_AUTH . The study guide shows that after IKE_AUTH,
"authentication succeeded" and "established IKE SA" when it works
* D is wrong because a Diffie-Hellman mismatch belongs to IKE_SA_INIT , which happens before the tunnel comes up. The study guide also states: "By IKEv2 design, no Diffie-Hellman public key is exchanged during an IKE_AUTH exchange." So the verified answer is: A .


NEW QUESTION # 86
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