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質問 # 55
Refer to the exhibits.
You have implemented the application sensor and the corresponding firewall policy as shown in the exhibits.
Which two factors can you observe from these configurations? (Choose two.)
正解：A、D
解説：
From the exhibits:
The Application Control sensor has these key settings:
Application and Filter Overrides
Priority 1: Excessive-Bandwidth (Type: Filter) with Action Block
Priority 2: Google (Type: Filter) with Action Monitor
Category actions shown include Social Media set to Block (this category includes Facebook).
The firewall policy is using:
Flow-based inspection
Application control enabled (profile: default)
Deep inspection enabled (helps identify applications inside HTTPS)
Logging enabled
FortiOS applies Application Control as follows (top-down within the Application Control profile):
Overrides are evaluated by priority (highest priority first).
The first matching override determines the action (block/monitor/allow) for that traffic.
Category-based actions apply to applications that fall into those categories unless an override matches first.
Why A is correct
A . YouTube access is blocked based on Excessive-Bandwidth Application and Filter override settings.
The profile explicitly blocks the Excessive-Bandwidth behavior filter at the highest override priority.
When YouTube traffic is detected as matching the Excessive-Bandwidth behavior, FortiGate will apply the Block action due to the override.
Because this is a priority override, it is enforced before lower-priority entries.
Why B is correct
B . Facebook access is blocked based on the category filter settings.
The Application Sensor shows Social Media configured with a Block action.
Facebook is categorized under Social Media, so it will be blocked when matched by Application Control.
Why C is not correct
C . Facebook access is allowed but you cannot play Facebook videos...
Since the Social Media category is set to Block, Facebook would be blocked at the category level (not merely video playback).
Why D is not correct
D . YouTube search is allowed based on the Google override...
The Google override action is Monitor, not Allow.
"Monitor" logs/detects but does not override a block condition to "allow" traffic.
Also, YouTube traffic is not guaranteed to be treated as "Google" in a way that would permit it, and any matching block condition (such as Excessive-Bandwidth) would still take precedence.
質問 # 56
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.)
正解：C、D
解説：
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.
質問 # 57
What are two characteristics of HA cluster heartbeat IP addresses in a FortiGate device? (Choose two.)
正解：A、C
解説：
In FortiOS 7.6, HA cluster heartbeat IP addresses are automatically managed by FortiGate and play a critical role in cluster communication and synchronization.
Correct statements
A . Heartbeat IP addresses are used to distinguish between cluster members.
Correct
FortiGate assigns unique heartbeat IP addresses (link-local addresses in the 169.254.0.0/16 range) to each HA member.
These addresses are used for:
Cluster member identification
Health checks
Synchronization traffic
This allows FortiGate units to uniquely identify and communicate with each other inside the HA cluster.
C . A change in the heartbeat IP address happens when a FortiGate device joins or leaves the cluster.
Correct
Heartbeat IPs are dynamically assigned.
When:
A new FortiGate joins the cluster, or
A member leaves or fails,
FortiGate may reassign heartbeat IP addresses to maintain unique identification among members.
This behavior is documented in the FortiOS HA operation and troubleshooting guides.
Why the other options are incorrect
B . The heartbeat interface of the primary device is always assigned IP address 169.254.0.1.
Incorrect
There is no fixed or guaranteed heartbeat IP (such as 169.254.0.1) for the primary unit.
Heartbeat IP assignment is dynamic, not role-based.
D . Heartbeat interfaces have virtual IP addresses that are manually assigned.
Incorrect
Heartbeat IP addresses are:
Automatically assigned
Link-local
Administrators do not manually configure heartbeat IP addresses.
質問 # 58
Refer to the exhibit.
FortiGate has two separate firewall policies for Sales and Engineering to access the same web server with the same security profiles.
Which action must the administrator perform to consolidate the two policies into one?
正解：B
解説：
However, you can enable the Multiple Interface Policies option on the Feature Visibility page to disable the single interface restriction.
質問 # 59
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?
正解：D
解説：
When the action is set to Allow in an application override, traffic matching this override is allowed without generating security logs because it bypasses deeper inspection and blocking.
質問 # 60
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