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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
Available Languages:Japanese, English
Related Certifications:FCSS in Network Security
Exam Price:USD 200
Exam Duration:75 minutes
Exam Format:Multiple-choice
Certificate Validity Period:2 years
Real Exam Qty:40
Passing Score:Pass/Fail (No specific score published)
Sample Questions:Fortinet FCSS_NST_SE-7.6 Sample Questions
Exam Way:Pearson VUE (Online or Onsite)
Pre Condition:Recommended NSE 4 and NSE 5 certifications.
Official Syllabus URL:https://training.fortinet.com/local/staticpage/view.php?page=nse_certs

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The FCSS - Network Security 7.6 Support Engineer (FCSS_NST_SE-7.6) study material of ExamDumpsVCE is available in three different and easy-to-access formats. The first one is printable and portable FCSS - Network Security 7.6 Support Engineer (FCSS_NST_SE-7.6) PDF format. With the PDF version, you can access the collection of actual Fortinet FCSS_NST_SE-7.6 Questions with your smart devices like smartphones, tablets, and laptops.

Fortinet FCSS_NST_SE-7.6 Exam Syllabus Topics:

TopicDetails
Topic 1
  • 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 2
  • 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.
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
  • 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 5
  • 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.

Fortinet FCSS - Network Security 7.6 Support Engineer Sample Questions (Q12-Q17):

NEW QUESTION # 12
Which two statements about an auxiliary session ate true? (Choose two.)

Answer: B,D


NEW QUESTION # 13
Refer to the exhibit.

The modified output of live routing kemel is shown
Which two statements about the output are (rue? (Choose two.)

Answer: B,D

Explanation:
We must analyze the flags (*, >, S, O, B) and Administrative Distances (AD) shown in the get router info routing-table database exhibit to determine the correct statements.
Analysis for Option A (The BGP route to 10.0.4.0/24 is not in the forwarding information base):
True. Look at the entry for 10.0.4.0/24.
There is an OSPF route: O *> 10.0.4.0/24 [110/2]. The * indicates it is in the FIB, and > indicates it is the selected route.
There is a BGP route: B 10.0.4.0/24 [200/10]. This line lacks the * flag.
Reason: The OSPF route has an Administrative Distance of 110. The BGP route (iBGP) has an AD of 200. Since 110 is lower than 200, OSPF wins, and the BGP route is not installed in the Forwarding Information Base (FIB).
Analysis for Option B (The default static route through 10.200.1.254 is in the forwarding information base):
True. Look at the 0.0.0.0/0 entries.
The first entry is S *> 0.0.0.0/0 [10/0] via 10.200.1.254.
The * flag confirms this specific route is installed in the FIB.
The second static route (via 10.200.2.254) has a higher distance ([20/0]) and no * flag, so it is inactive.
Why C is False: ECMP (Equal Cost Multi-Path) requires routes to have the same cost/priority. Here, one static route has AD 10 and the other has AD 20. They are not equal, so ECMP is not performed.
Why D is False: The routing table database shows active routes, not the raw Link State Advertisement (LSA) database. You cannot determine the number of LSAs received solely from this output.
Reference:
FortiGate Security 7.6 Study Guide (Routing): "The routing table database displays all known routes... The * indicates the route is in the FIB... Lower Administrative Distance is preferred."


NEW QUESTION # 14
A VPN tunnel is up. To monitor traffic flow, the administrator enters the following CLI commands on an SSH session on FortiGate:
# diagnose debug enable
# diagnose sniffer packet any 'udp and port 500' 4
However, the sniffer does not show any output. Assuming default configuration values, what are two possible reasons there is no output? (Choose two answers)

Answer: A,C

Explanation:
The correct answers are A and B.
The study guide says:
"If NAT-T is enabled, and there is a FortiGate located in the middle that is running NAT, the sniffer command must use a different filter. In this case, IKE traffic uses UDP port 500, but switches to UDP port 4500 during the tunnel negotiation. Additionally, ESP traffic is encapsulated inside the UDP 4500 channel." It also says:
"In some networks, UDP is blocked by firewalls or ISPs. In those cases, you can configure your VPN tunnel to use IKE over TCP in the phase 1 configuration. The default IKE TCP port is 443..." And the study guide gives the correct capture examples:
No NAT: host <remote-gw> and udp port 500
With NAT and NAT-T: host <remote-gw> and (udp port 500 or udp port 4500) So:
B is correct because with NAT Traversal enabled, the tunnel may no longer be using only UDP 500. It can move to UDP 4500, so the current filter may miss the traffic.
A is correct because the filter may need to be expanded to include UDP 4500 for NAT-T, or TCP 443 when IKE over TCP is used.
Why the other options are wrong:
C is wrong because restricting the filter to the remote peer IP can make the capture more precise, but it is not required for the sniffer to display output. The problem here is the port/protocol choice, not the lack of a host filter. The study guide examples use host filtering as an aid, not as a requirement.
D is wrong because diagnose debug enable is used to enable real-time debug output for applications, but it does not suppress or invalidate sniffer output. Sniffer capture is a separate command path. Fortinet documentation separately documents diagnose sniffer packet ... for packet capture and diagnose debug enable for debug features.
So the verified answers are: A, B.


NEW QUESTION # 15
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: B,C

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 # 16
Refer to the exhibit.

The output of the get router info bgp summary command is shown.
Which statement regarding adjacencies between the local router and its neighbors is correct?

Answer: D

Explanation:
The correct answer is B.
In the exhibit:
Neighbor 100.64.1.254 shows State/PfxRcd = 1, which means the session is established and the local FortiGate has received 1 prefix Neighbor 100.64.2.254 shows State/PfxRcd = Active The study guide explains the BGP states exactly:
Connect: Waiting for a successful three-way TCP connection
Active: Unable to establish the TCP session
OpenSent: Waiting for an OPEN message from the peer
OpenConfirm: Waiting for the keepalive message from the peer
Established: Peers have successfully exchanged OPEN and keepalive messages It also explains how to read the State/PfxRcd column:
"If the state is not established, this column displays the BGP state. If the state is established, this column displays the number of prefixes that the local FortiGate received from that neighbor." Therefore, because neighbor 100.64.2.254 is in Active state, the correct conclusion is that the BGP adjacency cannot form because the TCP session could not be established.
Why the other options are wrong:
A is wrong because BGP can establish adjacencies with multiple neighbors independently; one established neighbor does not block another C is wrong because BGP adjacency is not established based on neighbor "priority"; the output shows adjacency is established because the session completed and prefixes were exchanged D is wrong because having two neighbors in the same remote AS is valid in BGP and does not prevent adjacency formation So the verified answer is: B.


NEW QUESTION # 17
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