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| Section | Objectives |
|---|---|
| Routing, Switching, and High Availability | - HA cluster configuration and failover - Static and dynamic routing fundamentals |
| Threat Protection and Security Services | - IPS, antivirus, and web filtering - Application control and security profiles |
| Troubleshooting and Diagnostics | - Traffic debugging tools and logs - Performance and connectivity troubleshooting |
| Firewall Policies and Traffic Management | - NAT and traffic inspection flow - Policy configuration and rule processing |
| VPN and Secure Connectivity | - IPsec VPN configuration and troubleshooting - SSL VPN deployment |
| Network Security Fundamentals and FortiGate Architecture | - FortiGate system architecture and components - Security fabric concepts and integration |
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NEW QUESTION # 118
What are two reasons you might see iprope_in_check() check failed, drop when using the debug flow? (Choose two.)
Answer: A,C
Explanation:
The Network Security Support Engineer 7.6 Study Guide explicitly explains this debug message:
"iprope_in_check() check failed, drop" means the packet is destined to a FortiGate IP address and one of these conditions applies:
The service is not enabled
The service is using a different TCP port
The source IP address is not included in the trusted host list
The packet matches a local-in policy with action deny
That directly confirms C. Trusted host list misconfiguration.
Why D is the second valid choice:
The FortiOS administration guide explains that:
"IP pools and VIPs are considered local IP addresses if responding to ARP requests on these external IP addresses is enabled ... the FortiGate is considered a destination for those IP addresses ... once an IP pool or VIP has been configured ... the FortiGate considers it as a local address and will not forward traffic based on the routing table." Because iprope_in_check() is a local-in/local-destination type failure, a VIP or IP pool misconfiguration can cause traffic to be treated as destined for the FortiGate itself, which can then trigger this drop condition if the matching local service/local-in handling is not valid. So D is the closest supported second answer from the available choices.
Why the other options are wrong:
A is wrong because policy route problems are not the documented meaning of this specific debug message. The study guide instead ties iprope_in_check() check failed, drop to management/local-in conditions.
B is wrong because the study guide says traffic shaping drops appear as: "Denied by quota check"
NEW QUESTION # 119
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 # 120
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: A
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 # 121
Refer to the exhibits.
An OSPF peer is advertising route 172.16.52.0/24. The local FortiGate is configured with an inbound distribution list that allows the 172.16.0.0/16 network to be injected into its routing table. However, the 1'2.16.52.0/24 subnet cannot be seen in the FIB.
Which two stops can the administrator of the local FortiGate take to ensure that the advertised 172.16. 52.0/24 subnet will be injected into the routing table? (Choose two.)
Answer: A,D
Explanation:
The issue is caused by the strict matching logic of the configured Prefix List.
Current State: The rule is edit 1 with set prefix 172.16.0.0 255.255.0.0 and both ge (greater than or equal) and le (less than or equal) are unset.
Behavior: When ge and le are unset, FortiOS requires an exact match of the subnet mask. The current rule only matches the exact network 172.16.0.0/16. It denies 172.16.52.0/24 because the mask (/24) does not match the rule's mask (/16).
To fix this and inject 172.16.52.0/24, you must modify the list to match the /24 mask:
A . Add another entry to the prefix list to specifically allow the 172.16.52.0/24 network:
Creating a new rule (e.g., edit 2) with set prefix 172.16.52.0 255.255.255.0 will provide an exact match for the incoming route, allowing it to pass the distribute-list.
B . Change the ge value to 17:
By configuring set ge 17 on the existing rule (conceptually 172.16.0.0/16 ge 17), you change the logic from "exact match" to "range match".
This configuration tells the router to match any prefix starting with 172.16.x.x that has a subnet mask length of 17 or greater.
Since the incoming route is a /24, and 24 is greater than 17, the route will match the prefix list and be accepted.
Why other options are incorrect:
C: The option text appears to read "Change the ... value to 16". If this refers to le 16, it would enforce the mask to be exactly /16 or less, which still excludes /24.
D: Changing the default behavior to implicit allow defeats the purpose of a filter (security control) and is not a standard configuration step for fixing a single missing route.
Reference:
FortiGate Security 7.6 Study Guide (Routing): "In prefix-lists, if ge and le are not used, the subnet mask must match exactly. To match subnets within a range, you must define the prefix length boundaries using ge or le."
NEW QUESTION # 122
Refer to the exhibit, which shows the partial output of a diagnose command.
Which two conclusions can you draw from the output shown in the exhibit? (Choose two.)
Answer: C,D
Explanation:
The study guide identifies this exact output as an expectation session created by the FTP session helper:
"run helper-ftp" indicates the FTP helper is in use.
"FortiGate created an expectation session and opened the pinhole port for the expected return traffic" It also explains why this exists:
"Another important function of the session helper is to temporarily create an expected session (or pinhole) for the data channel connection that comes from the server."
"The session helper automatically creates the session and opens the door for the incoming connection."
"These incoming TCP sessions use random TCP port numbers."
That directly proves C is correct.
For A, the exhibit shows expire=23. The study guide explains the expire field as the length of time until the session expires if no matching traffic arrives, and the FortiOS guide states for expectation sessions:
"Expectation sessions usually have a timeout value of 30 seconds. If the communication from the server is not initiated within 30 seconds the expectation session times out and traffic will be denied." So with expire=23, FortiGate will allow that expected traffic only for the remaining 23 seconds; after that, it times out and the traffic is denied. That makes A correct.
Why the other options are wrong:
B is not supported. The study guide describes expectation sessions as being created by the session helper from the control-session negotiation, not as independent objects unaffected by the master session.
D is wrong as stated. Even though the output contains policy_id=25, the study guide explicitly says the incoming expected connection is allowed by the expected session itself, "even when no firewall policy allows it."
NEW QUESTION # 123
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