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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Firewall Policies & Access Control | 20% | - Policy configuration, sequencing and optimization
|
| Topic 2: VPN & Secure Connectivity | 15% | - SSL VPN
|
| Topic 3: SD-WAN & WAN Optimization | 10% | - SD-WAN deployment and traffic steering
|
| Topic 4: Security Fabric & System Troubleshooting | 25% | - High Availability (HA) troubleshooting
|
| Topic 5: Logging, Monitoring & Incident Response | 10% | - Log management and analysis
|
| Topic 6: Routing & Network Segmentation | 15% | - Network segmentation and VDOMs
|
| Topic 7: Authentication & Identity Management | 5% | - Local and remote authentication
|
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NEW QUESTION # 51
Refer to the exhibit.
If the default settings are m place, what can you conclude about the conserve mode shown in the exhibit?
Answer: A
Explanation:
To determine the behavior, we must analyze the memory thresholds and the current status shown in the exhibit:
* Analyze the Thresholds (The Three States):
* Green (Exit): 82% (Memory usage is safe).
* Red (Enter Conserve Mode): 88% (Memory usage is high; action is required).
* Extreme (Kernel Conserve Mode): 95% (Memory is critical; drastic action is required).
* Determine the Current State:
* Current Memory Used: 89%.
* Since 89% is greater than the Red threshold (88%) but lower than the Extreme threshold (95%), the FortiGate is in Red Conserve Mode (User-space conserve mode), not Extreme mode.
* Evaluate the Behavior in "Red" Mode:
* In Red Conserve Mode, the FortiGate's primary goal is to prevent memory exhaustion while still processing traffic if possible.
* Proxy-based inspection (handled by the WAD process) is memory-intensive because it buffers content. To save memory, the system stops accepting new sessions that require proxy-based inspection.
* Flow-based inspection (handled by the IPS engine) streams data and consumes significantly less memory. Therefore, in Red mode, the system typically continues to allow and inspect flow-based sessions.
* Option A correctly describes this split behavior: allowing flow-based (lighter) but blocking proxy-based (heavier).
* Why other options are incorrect:
* B: If memory increases another 6% (89% + 6% = 95%), the device hits the Extreme threshold.
At 95%, the kernel begins dropping all new sessions to prevent a system crash. Thus, it will not continue to allow sessions.
* C: This describes "Fail-Open" behavior (passing traffic without inspection). While configurable (set av-failopen pass), the default is usually "Fail-Close" (blocking). More importantly, the distinction between flow and proxy availability is the key architectural feature of Red mode.
* D: Blocking all new sessions regardless of type is the behavior of Extreme Conserve Mode (95%). Since the device is only at 89%, this drastic measure is not yet active.
Reference:
FortiGate Security 7.6 Study Guide (Diagnostics & Resource Usage): "When memory usage exceeds the red threshold... the FortiGate enters conserve mode. New sessions requiring proxy-based inspection may be dropped... When the extreme threshold is reached, all new sessions are dropped."
NEW QUESTION # 52
Which statement about IKEv2 is true?
Answer: D
Explanation:
The correct answer is B.
The study guide explicitly states: "IKE version 2 does not interoperate with IKE version 1, but they share enough of the header format that both versions can unambiguously operate over the same UDP port." That directly proves B.
Why the other options are wrong:
A is wrong because the study guide shows authentication methods as Asymmetric for IKEv2 and Symmetric for IKEv1 C is wrong because the study guide does not say they use the same TCP port; instead, it specifically says they can operate over the same UDP port D is wrong because the study guide states: "IKEv2 does not use the concept of phase 1 or phase 2", even though FortiOS CLI/GUI still uses those terms for configuration purposes
NEW QUESTION # 53
Exhibit.
Refer to the exhibit, which contains a screenshot of some phase 1 settings.
The VPN is not up. To diagnose the issue, the administrator enters the following CLI commands on an SSH session on FortiGate:
However, the IKE real-time debug does not show any output. Why?
Answer: B
Explanation:
To display debug output on FortiGate devices, you must always run both the application-specific debug command and the global debug enable command. The command diagnose debug application ike -1 sets up the detail level for the IKE daemon debug, but it does not display any debug output on its own. As described in the FortiOS CLI debugging manuals, the command diagnose debug enable activates debug output on the console, making all previously set debugs visible. This is especially important for VPN troubleshooting-without the enable command, no output appears even if there is VPN traffic.
The correct diagnostic sequence is:
diagnose debug application ike -1
diagnose debug enable
This procedure is found in every FortiOS CLI debug tutorial and troubleshooting workflow.
References:
FortiOS CLI Reference: Debugging VPNs and Real-time Debug Output
FortiGate VPN Troubleshooting Guide: Required Steps for Debug Output
NEW QUESTION # 54
Consider the scenario where the server name indication (SNI) does not match either the common name (CN) or any of the subject alternative names (SAN) in the server certificate. Which two actions will FortiGate take when using the default settings for SSL certificate inspection? (Choose two answers)
Answer: B,C
NEW QUESTION # 55
Refer to the exhibits, which contain the partial configurations of two VPNs on FortiGate.
An administrator has configured two VPNs for two different user groups. Users who are in the Users-2 group are not able to connect to the VPN. After running a diagnostics command, the administrator discovers that FortiGate is not matching the user-2 VPN for members of the Users-2 group.
Which two changes must the administrator make to fix the issue? (Choose two.)
Answer: A,D
Explanation:
The key point is that the two VPNs are dynamic dialup IPsec tunnels on the same interface and both are using IKEv1 main mode. In this design, FortiGate cannot reliably distinguish which dialup phase1 to match before phase 1 completes.
The uploaded Network Security Support Engineer 7.6 Study Guide shows that XAuth happens only after phase 1 is already established:
"The IKE real-time debug shows, after phase 1, the exchange of extended authentication (XAuth) packets... You can also see the CFG_REPLY, showing the XAuth user and group name." That means the user group is learned too late to be used for selecting the correct phase1 definition. So the fix must be applied to the phase1 matching method itself, not to XAuth.
The FortiOS administration guide gives the exact rule for this scenario:
"When the remote VPN peer has a dynamic IP address and is authenticated by a pre-shared key you must select Aggressive mode if there is more than one dialup phase 1 configuration for the interface IP address."
NEW QUESTION # 56
......
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