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| Section | Weight | Objectives |
|---|---|---|
| Firewall Policies and NAT | 25% | - Virtual IP (VIP) and DNAT - Policy concepts and types - IPv4 and IPv6 policies - NAT and PAT configuration - Policy troubleshooting |
| SD-WAN | 10% | - Performance SLA monitoring - SD-WAN components and benefits - SD-WAN configuration using security profiles |
| Network Security | 20% | - Application control - Antivirus scanning - DNS filtering - Packet flow and inspection - Intrusion prevention system (IPS) - URL filtering |
| FortiGate Fundamentals | 15% | - Security Fabric overview - FortiOS operation modes (NAT/Transparent) - Initial configuration and setup - Dashboard and monitoring - FortiGate models and hardware architecture |
| VPN Configuration | 20% | - SSL-VPN fundamentals and configuration - VPN concentrator - VPN troubleshooting - IPSec VPN site-to-site |
| High Availability (HA) | 10% | - Failover behavior and troubleshooting - Heartbeat and synchronization - HA modes and configuration |
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問題 #49
Refer to the exhibit showing a FortiGuard connection debug output.
Based on the output, which two facts does the administrator know about the FortiGuard connection? (Choose two.)
答案：A,D
解題說明：
The output shows that one server was contacted to retrieve FortiGuard contract information, as indicated under "Service : Web-filter" with "License : Contract" and "Num. of servers : 1." The entry "Default servers : Included" confirms that FortiGate is using the default FortiGuard communication settings, meaning it communicates directly with Fortinet's public FortiGuard servers instead of a custom or local override.
問題 #50
Refer to the exhibit.
An administrator has configured an Application Overrides for the ABC.Com application signature and set the Action to Allow This application control profile is then applied to a firewall policy that is scanning all outbound traffic. Logging is enabled in the firewall policy. To test the configuration, the administrator accessed the ABC.Com web site several times.
Why are there no logs generated under security logs for ABC.Com?
答案：D
解題說明：
In FortiOS 7.6 Application Control, security logs are generated primarily for actions such as Block or Monitor, not for Allow actions.
What is happening in the exhibit
An Application Override is configured for ABC.Com
Type: Application
Action: Allow
The application control profile is applied to a firewall policy
Logging is enabled on the firewall policy
Traffic to ABC.Com is successfully allowed
However, no security logs appear for ABC.Com.
Why no logs are generated
In FortiOS 7.6:
Application Control logs are written to Security Logs when:
An application is Blocked
An application is Monitored
When an application action is set to Allow:
The traffic is permitted silently
No application control security log is generated
Even if policy logging is enabled
This is expected and documented behavior.
To generate logs for allowed applications, the action must be set to Monitor, not Allow.
Why the other options are incorrect
A . ABC.Com is hitting the category Excessive-BandwidthIncorrect. ABC.Com has a higher-priority explicit override (priority 1), so it is not evaluated against the Excessive-Bandwidth filter.
B . The ABC.Com Type is set as Application instead of FilterIncorrect. Application-type overrides are valid and commonly used; this does not suppress logging.
C . The ABC.Com must be configured as a web filter profileIncorrect. This traffic is being evaluated by Application Control, not Web Filter.
問題 #51
Refer to the exhibit. What would be the impact of these settings on the Server certificate SNI check configuration on FortiGate?
答案：B
解題說明：
With the Server certificate SNI check set to Strict, FortiGate enforces that the SNI must match either the Common Name (CN) or Subject Alternative Name (SAN) in the server certificate; otherwise, it closes the connection.
問題 #52
Refer to the exhibit.
A network administrator is troubleshooting an IPsec tunnel between two FortiGate devices. The administrator has determined that phase 1 status is up, but phase 2 fails to come up.
Based on the phase 2 configuration shown in the exhibit, which two configuration changes will bring phase 2 up? (Choose two.)
答案：A,C
解題說明：
Phase 1 being up confirms the two FortiGate devices can authenticate and build the IKE SA. Phase 2 failing indicates the IPsec (Quick Mode) SA negotiation is failing due to mismatched Phase 2 parameters.
From the exhibit, the Phase 2 mismatches that would prevent SA establishment are:
1) Phase 2 selectors must mirror each other (Proxy IDs)
HQ-NGFW Phase 2 selector shows:
Local: 10.0.11.0/24
Remote: 172.20.1.0/24
BR1-FGT Phase 2 selector shows:
Local: 172.20.1.0/24
Remote: 10.11.0.0/24 ⟵ does not match HQ's local subnet (10.0.11.0/24)
In FortiOS, Phase 2 comes up only when the peers' selectors (proxy IDs) match as opposite pairs (local on one side = remote on the other).
✅ Fix: A. On BR1-FGT, set Remote Address to 10.0.11.0/255.255.255.0.
2) Phase 2 proposal must match (encryption/authentication)
HQ-NGFW shows encryption AES128 (with SHA1)
BR1-FGT shows encryption AES256 (with SHA1)
For Phase 2 to establish, both peers must have at least one common proposal (same encryption and authentication settings). With one side set to AES128 and the other to AES256, there is no match.
✅ Fix: D. On HQ-NGFW, set Encryption to AES256.
Why the other options are not correct
B . Enable Diffie-Hellman Group 2: The exhibit's mismatch is not resolved by adding DH group 2, and DH group must match when PFS is enabled. This option does not align the peers based on what's shown.
C . Set Seconds to 43200: Phase 2 lifetime mismatches typically do not prevent Phase 2 from coming up (the negotiated lifetime can be adjusted by the peers). The hard blockers here are the selectors and proposal mismatch.
問題 #53
What are three key routing principles in SD-WAN? (Choose three.)
答案：A,B,D
解題說明：
SD-WAN rules are skipped if none of the SD-WAN members have a valid route to the destination.
SD-WAN rules take precedence over other route types.
SD-WAN rules are skipped if the best route to the destination is not an SD-WAN member by default.
問題 #54
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NSE4_FGT_AD-7.6題庫下載: https://tw.fast2test.com/NSE4_FGT_AD-7.6-premium-file.html
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