Fortinet FCSS_NST_SE-7.6 Test Braindumps, FCSS_NST_SE-7.6 Latest Exam Camp

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Fortinet FCSS_NST_SE-7.6 Exam Syllabus Topics:

TopicDetails
Topic 1
  • 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 2
  • 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 3
  • 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 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
  • 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.

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Fortinet FCSS - Network Security 7.6 Support Engineer Sample Questions (Q28-Q33):

NEW QUESTION # 28
Refer to the exhibit.

Partial output of command diagnose debug rating is shown. Which FDS server will the FortiGate algorithm choose?

Answer: C

Explanation:
The correct answer is C. 64.26.151.37.
The study guide explains the FortiGuard flags shown by diagnose debug rating:
D = Default
I = Initial
T = Timing
F = Failed
and specifically: "F = The server is down"
So even though 121.111.236.179 has the lowest RTT in the exhibit, it has the F flag, meaning FortiGate considers that server failed/down, so it will not be chosen.
To determine which active server is selected, the FortiOS administration guide states:
"The server list is sorted first by weight. The server with the smallest RTT appears at the top of the list regardless of weight. ... Therefore the top position in the list is selected based on RTT while the other positions are based on weight." Among the valid, non-failed choices in the exhibit:
64.26.151.37 โ†’ RTT 45
209.22.147.36 โ†’ RTT 103
96.45.33.65 โ†’ RTT 144
208.91.112.194 โ†’ RTT 107
The active server with the lowest RTT is 64.26.151.37, so that is the server FortiGate will choose.
So the verified answer is: C.


NEW QUESTION # 29
When FortiGate enters conserve mode because of memory pressure, which action can FortiGate perform to preserve memory?

Answer: C

Explanation:
When the FortiGate enters Conserve Mode due to high memory pressure (specifically reaching the Extreme Threshold at 95% memory usage, or the Red Threshold for proxy traffic), the system prioritizes stability and preventing a system crash (kernel panic).
* D. FortiGate begins dropping all new sessions to protect resources:
* In Extreme Conserve Mode (95%), the FortiGate kernel acts to preserve the remaining memory for system-critical tasks (like admin access and basic packet forwarding of existing sessions). To achieve this, it drops all new session initiation requests regardless of the inspection type.
* In Red Conserve Mode (88%), it specifically drops new sessions that require proxy-based inspection (as these consume the most memory), while often still allowing flow-based traffic.
* Among the provided choices, "dropping new sessions" is the only standard protective mechanism FortiOS employs to stop memory usage from climbing further.
Why other options are incorrect:
* A: FortiGate does not automatically reboot in conserve mode; it attempts to recover by restricting traffic. (Reboot is a last-resort crash, not a configured action).
* B: Inspection modes (Proxy vs. Flow) are defined in firewall policies and cannot be dynamically switched by the system during runtime.
* C: The system does not arbitrarily stop "non-essential processes" like logging or AV. Logging is critical for audit trails. While av-failopen can be configured to bypass scanning, the system typically defaults to "Fail-Close" (dropping traffic) rather than stopping the engines themselves.
Reference:
FortiGate Security 7.6 Study Guide (Diagnostics & Resource Usage): "When memory usage reaches the extreme threshold (95%), all new sessions are dropped to prevent memory exhaustion."


NEW QUESTION # 30
Refer to the exhibit.

The partial output of diagnose sys session stat command is shown.
Which statement about the output shown in the exhibit is correct?

Answer: A

Explanation:
The correct answer is C .
The exhibit shows:
* 562 in ESTABLISHED state
* 27 in CLOSE state
* memory_tension_drop=0
* ephemeral=0/131072
According to the study guide, for TCP sessions: "The protocol state in the session table is a two-digit number. For TCP, the first number (from left to right) is related to the server-side state and is 0 when the session is not subject to any inspection (flow or proxy)... The second digit is the client-side state." The same page also shows that value 1 = ESTABLISHED So, if a TCP session is in ESTABLISHED state and there is no inspection , its proto_state is 01 :
* first digit 0 = no inspection
* second digit 1 = ESTABLISHED
That makes C correct. This is also consistent with FortiOS examples showing established TCP sessions with proto=6 proto_state=01 Why the other options are wrong:
* A is wrong because the field that indicates sessions dropped due to low free memory is memory_tension_drop, and in the exhibit it is 0 , not 113. The study guide states: "If there is a lack of free memory, the kernel deletes the oldest sessions. The command shown on this slide displays the number of sessions the kernel deleted because of this mechanism." So 113 is the clash value, not memory-tension drops.
* B is wrong because ephemeral=0/131072 does not mean 131072 ephemeral sessions were recorded.
The study guide explains that FortiGate "sets a hard limit on the maximum number of ephemeral sessions that can exist at the same time in the session table." Therefore:
* 0 = current ephemeral sessions
* 131072 = maximum allowed ephemeral sessions for that model/context
* D is wrong because the study guide says the temporary retention for possible out-of-order packets happens in state value 5 (TIME_WAIT) : "When a session is closed by both the sender and receiver, FortiGate keeps that session in the session table for a few seconds, to allow for any out- of-order packets that might arrive after the FIN/ACK packet. This is the state value 5." But the exhibit shows 27 in CLOSE state , and the same table shows CLOSE = 6 , not TIME_WAIT So the verified answer is C .


NEW QUESTION # 31
Exhibit.

Refer to the exhibit, which shows the output of diagnose automation test.
What can you observe from the output? (Choose two.)

Answer: A,D


NEW QUESTION # 32
Refer to the exhibit, which shows the output of get router info bgp summary.

Which two statements are true? (Choose two.)

Answer: A,B

Explanation:
The get router info bgp summary output lists BGP neighbor status:
Prefix Reception: The "State/PfxRcd" column shows the number of prefixes received from the neighbor-neighbor 100.64.1.254 has "1", confirming option A.
Received Message Count: Under "MsgRcvd", 18 packets have been received from neighbor 100.64.1.254. This matches option C.
The second neighbor 100.64.2.254 is in "Active" state and has received/sent 0 packets, indicating that its TCP connection is NOT established, disproving option B.
There is no indication anywhere that the router is "still calculating" prefixes; "Active" just means no session is established, so option D is incorrect.
References:
FortiOS BGP Command Reference: BGP Neighbor States, PfxRcd, and Counters


NEW QUESTION # 33
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