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| Section | Objectives |
|---|---|
| Topic 1: Routing and SD-WAN | - Static and dynamic routing
|
| Topic 2: FortiGate Deployment and System Configuration | - Initial setup and configuration
|
| Topic 3: Network Security Concepts and Architecture | - Fortinet Security Fabric Overview
|
| Topic 4: Firewall Policies and Authentication | - User authentication
|
| Topic 5: Monitoring and Troubleshooting | - Diagnostics tools
|
| Topic 6: Security Profiles and Content Inspection | - Web filtering and application control
|
| Topic 7: VPN and Secure Connectivity | - IPsec VPN
|
これらの有用な知識をよりよく取り入れるために、多くの顧客は、実践する価値のある種類の練習資料を持ちたいと考えています。すべてのコンテンツは明確で、NSE4_FGT_AD-7.6実践資料で簡単に理解できます。リーズナブルな価格とオプションのさまざまなバージョンでアクセスできます。すべてのコンテンツは試験の規制に準拠しています。成功することが決まっている限り、NSE4_FGT_AD-7.6学習ガイドがあなたの最善の信頼になります
質問 # 61
How does FortiExtender connect to FortiSASE in a site-based, remote internet access method?
正解：D
解説：
In FortiSASE site-based (remote internet access) deployments, FortiExtender is used to onboard branch or remote sites without a local FortiGate.
According to FortiSASE and FortiExtender architecture documentation:
FortiExtender integrates with FortiSASE using a secure VXLAN-over-IPsec tunnel This tunnel:
Extends the site network to FortiSASE
Transparently forwards traffic for inspection
Preserves network segmentation and routing context
This design is similar to cloud-based LAN extension and is not proxy-based Why the other options are incorrect B: FortiClient is used for agent-based user access, not FortiExtender C: Secure Web Gateway (SWG) is a service, not a transport mechanism D: PAC files and explicit proxies are used in agentless / proxy-based access, not site-based FortiExtender deployments
質問 # 62
An administrator wanted to configure an IPS sensor to block traffic that triggers the signature set number of times during a specific time period. How can the administrator achieve the objective?
正解：A
解説：
" Rate-based IPS signatures also allows you to detect anomalies, which are unusual behaviors in the network..."
"There are two ways to add predefined signatures to an IPS sensor. One way is to select the signatures individually... The second way to add a signature to a sensor is using filters."
" You can also add rate-based signatures to block specific traffic when the threshold is exceeded. On the CLI, If you set the command rate-mode to periodical, FortiGate triggers the action when the threshold is reached during the configured Duration time period. " Technical Deep Dive:
The correct answer is C. Use IPS signatures, rate-mode periodical option.
The guide is explicit that this behavior belongs to rate-based IPS signatures . The question asks for blocking traffic when a signature is triggered a certain number of times within a defined interval. That is exactly what rate-mode periodical does: it evaluates the trigger count over the configured duration window and then applies the configured IPS action when the threshold is met.
Why the other options are wrong:
* A is wrong because rate-mode 60 is not the documented syntax or method.
* B is wrong because packet logging records packets; it does not implement threshold-based blocking logic.
* D is wrong because the guide ties rate-mode periodical to rate-based signatures , not to IPS filters as the mechanism for this threshold behavior.
Operationally, this is used for anomaly-style detection, similar in concept to lightweight rate-based protection.
A typical CLI pattern is along these lines:
config ips sensor
edit " custom-ips "
config entries
edit 1
set rule < signature_id >
set rate-mode periodical
set rate-count < threshold >
set rate-duration < seconds >
set action block
next
end
next
end
This works best when applied only to relevant protocols and signatures, because broad use of rate-based signatures can consume more resources and increase false-positive risk.
質問 # 63
Refer to the exhibit to view the firewall policy.
Why would the firewall policy not block a well-known virus, for example EICAR? (Choose one answer)
正解：B
解説：
"The only security features you can apply using SSL certificate inspection mode are web filtering and application control... Note that while offering some level of security, certificate inspection does not allow FortiGate to inspect the flow of encrypted data."
"To perform SSL inspection on traffic flowing through the FortiGate device, you must allow the traffic with a firewall policy and apply an SSL inspection profile to the policy... For antivirus or IPS control, you should use a deep-inspection profile."
"When you use deep inspection, FortiGate impersonates the recipient of the originating SSL session, and then decrypts and inspects the content to find threats and block them. It then re-encrypts the content and sends it to the real recipient." Technical Deep Dive:
The exhibit shows that the policy is allowing HTTPS and the SSL/SSH inspection profile is certificate- inspection , not deep-inspection . That is the key issue. With certificate inspection, FortiGate can inspect only SSL metadata such as the certificate and SNI/hostname context; it cannot decrypt the HTTPS payload itself. Because EICAR is detected by antivirus through payload inspection, FortiGate must see the file contents. Without deep SSL inspection, the antivirus engine never gets the decrypted payload, so the file can pass even though the antivirus profile is attached.
Option A is incorrect because FortiGate firewall policies often use ACCEPT + security profile enforcement
; the session can still be blocked by antivirus after policy match. Option B is incorrect because web filter is not required for antivirus detection. Option C is incorrect because the real requirement is deep SSL inspection
, not specifically proxy-based mode; full SSL inspection is the deciding factor here.
In practice, to block EICAR over HTTPS, you would apply a deep-inspection SSL profile to the policy, for example:
config firewall policy
edit < policy-id >
set inspection-mode flow
set av-profile " default "
set ssl-ssh-profile " deep-inspection "
next
end
On real hardware, this also matters for performance design. Simple firewall/NAT sessions are often NP fast- pathed, but once you enable deep SSL inspection and content scanning, traffic is typically handed to CPU
/WAD/content-inspection path for decryption and scanning, so throughput is lower than certificate-inspection or no-inspection.
質問 # 64
Refer to the exhibit. Review the intrusion prevention system (IPS) profile signature settings shown in the exhibit.
What can you conclude about the signature when adding the FTP.Login.Failed signature to the IPS Sensor profile?
正解：C
解説：
When you add a signature to an IPS sensor, the sensor's override settings take precedence over the default signature action in the FortiGuard database.
This means:
The IPS profile's action (Block) overrides the base signature's action (Pass).
The signature "FTP.Login.Failed" is still low severity, but because it's enabled and logging is on, FortiGate blocks it and logs the event (including packet data)..
質問 # 65
Refer to the exhibit.
What can you conclude from the log shown in the exhibit?
正解：C
解説：
"You can configure the fail-open setting under config ips global to control how the IPS engine behaves when the IPS socket buffer is full ."
"If the IPS engine does not have enough memory to build more sessions , the fail-open setting determines whether the FortiGate should drop the sessions or bypass the sessions without inspection ."
"It is important to understand that the IPS fail-open setting is not just for conserve mode-it kicks in whenever IPS fails. Most failures are due to a high CPU issue or a high memory (conserve mode) issue." Technical Deep Dive:
The correct answer is A .
The log text says:
* logdesc= " IPS session scan paused "
* action= " drop "
* msg= " IPS session scan, enter fail open mode "
That combination indicates an IPS failure condition , specifically the condition described in the guide where the IPS socket buffer is full and the IPS engine lacks enough memory/resources to build additional sessions.
In that state, FortiGate applies the configured IPS fail-open behavior . Since the log shows action= " drop " , the device is not bypassing those new sessions; it is dropping them.
Why the other choices are wrong:
* B is wrong because the guide ties fail-open to socket buffer/resource exhaustion , not packet decode failure.
* C is wrong because this is not evidence of a manual diagnostic pause.
* D is wrong because the study guide does not associate this log with dirty-flag packet reevaluation.
Operationally, this usually points to high memory , high CPU , or conserve-mode pressure affecting the IPS engine. Useful checks are:
get system performance status
diagnose hardware sysinfo conserve
diagnose sys top
Those help confirm whether the IPS issue is being driven by memory pressure or CPU exhaustion.
質問 # 66
......
この驚くほど高く受け入れられている試験に適合するには、NSE4_FGT_AD-7.6学習教材のような上位の実践教材で準備する必要があります。彼らは時間とお金の面で最良の選択です。この試験について決心している限り、その職業は疑う余地がないことを理解できます。そして、彼らの職業はNSE4_FGT_AD-7.6トレーニング準備で徹底的に表現されています。彼らはNSE4_FGT_AD-7.6試験の本当の知識をつかみ、忘れられない経験をするのに非常に役立ちます。この小さなメリットをお見逃しなく。
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