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Fortinet Network Security Expert NSE8_812試験と認定テストエンジン [Q29-Q44]

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（PDF)Fortinet Network Security Expert NSE8_812試験と認定テストエンジン

無料提供中のNSE8_812試験問題集で（2025年最新のPDF問題集）信頼度の高いNSE8_812テストエンジン

質問 # 29
Refer to the exhibit showing the history logs from a FortiMail device.

Which FortiMail email security feature can an administrator enable to treat these emails as spam?

  • A. Soft fail SPF validation in an antispam profile
  • B. Impersonation analysis in an antispam profile
  • C. DKIM validation in a session profile
  • D. Sender domain validation in a session profile

正解：B

解説：
Impersonation analysis is a feature that detects emails that attempt to impersonate a trusted sender, such as a company executive or a well-known brand, by using spoofed or look-alike email addresses. This feature can help prevent phishing and business email compromise (BEC) attacks. Impersonation analysis can be enabled in an antispam profile and applied to a firewall policy. References:https://docs.fortinet.com/document/fortimail
/6.4.0/administration-guide/103663/impersonation-analysis
https://docs.fortinet.com/document/fortimail/7.2.0/cookbook/221814/protecting-against-email-impersonation- in-fortimail


質問 # 30
Refer to the exhibits.

The exhibit shows a FortiGate model device that will be used for zero touch provisioning and a CLI Template.

To facilitate a more efficient roll out of FortiGate devices, you are tasked with using meta fields with the CLI Template to configure the DHCP server on the "office1" FortiGate.
Given this scenario, what would be the output of the config ip-range section on the CLI Template?

  • A.
  • B.
  • C.
  • D.

正解：B


質問 # 31
Refer to the exhibit, which shows diagnostic output.

A customer reports that ICMP traffic flow from 192.168.1.11 to 93.190.134.171 is not corresponding to the SD-WAN setup.
What is the problem in this scenario?

  • A. Port1 is used because it has more available bandwidth.
  • B. SD-WAN Rule is matching only DNS traffic.
  • C. Traffic is matched by policy route.
  • D. Route for the destination IP is missing in the routing table.

正解：C


質問 # 32
Which two statements are correct on a FortiGate using the FortiGuard Outbreak Protection Service (VOS)? (Choose two.)

  • A. The FortiGuard VOS can be used only with proxy-base policy inspections.
  • B. The antivirus database queries FortiGuard with the hash of a scanned file
  • C. If third-party AV database returns a match the scanned file is deemed to be malicious.
  • D. The hash signatures are obtained from the FortiGuard Global Threat Intelligence database.
  • E. The AV engine scan must be enabled to use the FortiGuard VOS feature

正解：B、D

解説：
The FortiGuard Outbreak Prevention Service (VOS) is a feature that enhances the antivirus scanning capabilities of FortiGate by querying FortiGuard with the hash of a scanned file that is not found in the local antivirus database. If the hash matches a signature in the FortiGuard Global Threat Intelligence database, which contains information about known malware and zero-day threats, the file is deemed to be malicious and blocked by FortiGate. The VOS feature can be used with both proxy-based and flow-based policy inspections, and does not require the AV engine scan to be enabled. Reference: https://docs.fortinet.com/document/fortigate/6.2.14/cookbook/968606/outbreak-prevention-service


質問 # 33
Refer to the exhibit.

A FortiWeb appliance is configured for load balancing web sessions to internal web servers. The Server Pool is configured as shown in the exhibit.
How will the sessions be load balanced between server 1 and server 2 during normal operation?

  • A. Server 1 will receive 0% of the sessions Server 2 will receive 100% of the sessions
  • B. Server 1 will receive 33.3% of the sessions, Server 2 will receive 66 6% of the sessions
  • C. Server 1 will receive 20% of the sessions, Server 2 will receive 66.6% of the sessions
  • D. Server 1 will receive 25% of the sessions, Server 2 will receive 75% of the sessions

正解：A


質問 # 34
Refer to the exhibit showing a FortiSOAR playbook.

You are investigating a suspicious e-mail alert on FortiSOAR, and after reviewing the executed playbook, you can see that it requires intervention.
What should be your next step?

  • A. Click on the notification icon on FortiSOAR GUI and run the pending input action
  • B. Reply to the e-mail with the requested Playbook action
  • C. Go to the Incident Response tasks dashboard and run the pending actions
  • D. Run the Mark Drive by Download playbook action

正解：A

解説：
To intervene in a suspicious e-mail alert on FortiSOAR, after reviewing the executed playbook, the next step is to click on the notification icon on FortiSOAR GUI and run the pending input action. The notification icon will show a badge with the number of pending input actions that require manual intervention from the user. The user can click on the notification icon and see a list of pending input actions, along with their details, such as playbook name, step name, record ID, and trigger time. The user can then click on the Run button to execute the pending input action and resume the playbook execution. Reference: https://docs.fortinet.com/document/fortisoar/7.0.0/administration-guide/103440/automation-stitches https://docs.fortinet.com/document/fortisoar/7.0.0/administration-guide/103441/incoming-webhook


質問 # 35
A FortiGate is configured to perform outbound firewall authentication with Azure AD as a SAML IdP.
What are two valid interactions that occur when the client attempts to access the internet? (Choose two.)

  • A. The client browser forwards the SAML response received from Microsoft SAML IdP to the FortiGate SP.
  • B. FortiGate SP redirects the client browser to the local captive portal and then redirects to the Microsoft SAML IdP.
  • C. FortiGate SP sends a SAML request to the IdP.
  • D. The Microsoft SAML IdP sends the SAML response to the FortiGate SP.

正解：C、D


質問 # 36
Refer to the exhibits.

You are configuring a Let's Encrypt certificate to enable SSL protection to your website. When FortiWeb tries to retrieve the certificate, you receive a certificate status failed, as shown below.

Based on the Server Policy settings shown in the exhibit, which two configuration changes will resolve this issue? (Choose two.)

  • A. Enable HTTP service in the Server Policy.
  • B. Configure a TXT record of the domain and point to the IP address of the Virtual Server.
  • C. Disable Redirect HTTP to HTTPS in the Server Policy.
  • D. Remove the Web Protection Profile from this Server Policy.

正解：C、D


質問 # 37
Refer to the exhibit.

You have deployed a security fabric with three FortiGate devices as shown in the exhibit. FGT_2 has the following configuration:

FGT_1 and FGT_3 are configured with the default setting. Which statement is true for the synchronization of fabric-objects?

  • A. Objects from the root FortiGate will only be synchronized to FGT__2.
  • B. Objects from the root FortiGate will not be synchronized to any downstream FortiGate.
  • C. Objects from the root FortiGate will only be synchronized to FGT_3.
  • D. Objects from the FortiGate FGT_2 will be synchronized to the upstream FortiGate.

正解：C

解説：
https://docs.fortinet.com/document/fortigate/6.4.0/new-features/520820/improvements-to-synchronizing- objects-across-the-security-fabric-6-4-4


質問 # 38
A customer's cybersecurity department needs to implement security for the traffic between two VPCs in AWS, but these belong to different departments within the company. The company uses a single region for all their VPCs.
Which two actions will achieve this requirement while keeping separate management of each department's VPC? (Choose two.)

  • A. Create an 1AM account for the cybersecurity department to manage both existing VPC, create a FortiGate HA Cluster on each VPC and IPSEC VPN to force traffic between the VPCs through the FortiGate clusters
  • B. Create a VPC with a FortiGate auto-scaling group with a Transit Gateway attached to the three VPC to force routing through the FortiGate cluster
  • C. Create a transit VPC with a FortiGate HA cluster, connect to the other two using VPC peering, and use routing tables to force traffic through the FortiGate cluster.
  • D. Migrate all the instances to the same VPC and create 1AM accounts for each department, then implement a new subnet for a FortiGate auto-scaling group and use routing tables to force the traffic through the FortiGate cluster.

正解：B、C

解説：
To implement security for the traffic between two VPCs in AWS, while keeping separate management of each department's VPC, two possible actions are:
Create a transit VPC with a FortiGate HA cluster, connect to the other two using VPC peering, and use routing tables to force traffic through the FortiGate cluster. This option allows the cybersecurity department to manage the transit VPC and apply security policies on the FortiGate cluster, while the other departments can manage their own VPCs and instances. The VPC peering connections enable direct communication between the VPCs without using public IPs or gateways. The routing tables can be configured to direct all inter-VPC traffic to the transit VPC.
Create a VPC with a FortiGate auto-scaling group with a Transit Gateway attached to the three VPCs to force routing through the FortiGate cluster. This option also allows the cybersecurity department to manage the security VPC and apply security policies on the FortiGate cluster, while the other departments can manage their own VPCs and instances. The Transit Gateway acts as a network hub that connects multiple VPCs and on-premises networks. The routing tables can be configured to direct all inter-VPC traffic to the security VPC. References: https://docs.fortinet.com/document/fortigate-public-cloud/7.2.0/aws-administration-guide/506140/connecting-a-local-fortigate-to-an-aws-vpc-vpn https://docs.fortinet.com/document/fortigate-public-cloud/7.0.0/sd-wan-architecture-for-enterprise/166334/sd-wan-configuration


質問 # 39
Refer to the exhibits.

The exhibits show a FortiGate network topology and the output of the status of high availability on the FortiGate.
Given this information, which statement is correct?

  • A. The ethertype values of the HA packets are 0x8890, 0x8891, and 0x8892
  • B. FGVMEVLQOG33WM3D and FGVMEVGCJNHFYI4A share a virtual MAC address.
  • C. The cluster members are on the same network and the IP addresses were statically assigned.
  • D. The cluster mode can support a maximum of four (4) FortiGate VMs

正解：B

解説：
The output of the status of high availability on the FortiGate shows that the cluster mode is active-passive, which means that only one FortiGate unit is active at a time, while the other unit is in standby mode. The active unit handles all traffic and also sends HA heartbeat packets to monitor the standby unit. The standby unit becomes active if it stops receiving heartbeat packets from the active unit, or if it receives a higher priority from another cluster unit. In active-passive mode, all cluster units share a virtual MAC address for each interface, which is used as the source MAC address for all packets forwarded by the cluster. Reference: https://docs.fortinet.com/document/fortigate/6.4.0/cookbook/103439/high-availability-with-two-fortigates


質問 # 40
Refer to the exhibit.

A FortiWeb appliance is configured for load balancing web sessions to internal web servers. The Server Pool is configured as shown in the exhibit.
How will the sessions be load balanced between server 1 and server 2 during normal operation?

  • A. Server 1 will receive 0% of the sessions Server 2 will receive 100% of the sessions
  • B. Server 1 will receive 33.3% of the sessions, Server 2 will receive 66 6% of the sessions
  • C. Server 1 will receive 20% of the sessions, Server 2 will receive 66.6% of the sessions
  • D. Server 1 will receive 25% of the sessions, Server 2 will receive 75% of the sessions

正解：A

解説：
D is correct because server 1 has a weight of 0, which means it will not receive any sessions from the load balancer. Server 2 has a weight of 100, which means it will receive all sessions from the load balancer. This is explained in the FortiWeb Administration Guide under Server Load Balancing > Server pools > Weighted round robin. Reference: https://docs.fortinet.com/document/fortiweb/6.3.0/administration-guide/381057/server-load-balancing https://docs.fortinet.com/document/fortiweb/6.3.0/administration-guide/381057/server-load-balancing/381058/server-pools


質問 # 41
SD-WAN is configured on a FortiGate. You notice that when one of the internet links has high latency the time to resolve names using DNS from FortiGate is very high.
You must ensure that the FortiGate DNS resolution times are as low as possible with the least amount of work.
What should you configure?

  • A. Configure local out traffic to use the outgoing interface based on SD-WAN rules with the interface IP and configure an SD-WAN rule to the DNS server.
  • B. Configure an SD-WAN rule to the DNS server and use the FortiGate interface IPs in the source address.
  • C. Configure local out traffic to use the outgoing interface based on SD-WAN rules with a manual defined IP associated to a loopback interface and configure an SD-WAN rule from the loopback to the DNS server.
  • D. Configure two DNS servers and use DNS servers recommended by the two internet providers.

正解：A

解説：
SD-WAN is a feature that allows users to optimize network performance and reliability by using multiple WAN links and applying rules based on various criteria, such as latency, jitter, packet loss, etc. One way to ensure that the FortiGate DNS resolution times are as low as possible with the least amount of work is to configure local out traffic to use the outgoing interface based on SD-WAN rules with the interface IP and configure an SD-WAN rule to the DNS server. This means that the FortiGate will use the best WAN link available to send DNS queries to the DNS server according to the SD-WAN rule, and use its own interface IP as the source address. This avoids NAT issues and ensures optimal DNS performance. References:
https://docs.fortinet.com/document/fortigate/7.0.0/sd-wan/19662/sd-wan


質問 # 42
A retail customer with a FortiADC HA cluster load balancing five webservers in L7 Full NAT mode is receiving reports of users not able to access their website during a sale event. But for clients that were able to connect, the website works fine.
CPU usage on the FortiADC and the web servers is low, application and database servers are still able to handle more traffic, and the bandwidth utilization is under 30%.
Which two options can resolve this situation? (Choose two.)

  • A. Change the persistence rule to LB_PERSIS_SSL_SESSJD.
  • B. Add more web servers to the real server poof
  • C. Disable SSL between the FortiADC and the web servers
  • D. Add a connection-pool to the FortiADC virtual server

正解：A、D

解説：
The FortiADC HA cluster is a load balancing solution that distributes traffic among multiple web servers in L7 Full NAT mode. L7 Full NAT mode means that FortiADC terminates both client and server SSL connections and performs full NAT for both source and destination IP addresses and ports. One possible reason for users not being able to access the website during a sale event is that the persistence rule is not configured properly. Persistence rule is a feature that ensures that subsequent requests from the same client are sent to the same web server, which is important for maintaining session continuity and avoiding errors or data loss. The default persistence rule for L7 Full NAT mode is LB_PERSIS_SRC_IP, which uses the source IP address of the client as the persistence key. However, this rule may not work well if there are many clients behind a proxy or NAT device that share the same source IP address, or if there are clients that change their source IP address frequently due to roaming or switching networks. Therefore, to resolve this situation, one option is to change the persistence rule to LB_PERSIS_SSL_SESSJD, which uses the SSL session ID of the client as the persistence key. This rule can provide more accurate and reliable persistence for SSL connections than LB_PERSIS_SRC_IP. Another possible reason for users not being able to access the website during a sale event is that there are too many TCP connections being established and terminated between FortiADC and the web servers, which consumes CPU resources and causes performance degradation. Therefore, to resolve this situation, another option is to add a connection-pool to the FortiADC virtual server. Connection-pool is a feature that allows FortiADC to reuse existing TCP connections between FortiADC and the web servers, instead of creating new ones for each request. This can reduce CPU overhead, improve response time, and increase throughput. Reference: https://docs.fortinet.com/document/fortiadc/6.4.0/administration-guide/19662/load-balancing-methods-and-persistence https://docs.fortinet.com/document/fortiadc/6.4.0/administration-guide/19662/connection-pool


質問 # 43
An administrator has configured a FortiGate device to authenticate SSL VPN users using digital certificates. A FortiAuthenticator is the certificate authority (CA) and the Online Certificate Status Protocol (OCSP) server.
Part of the FortiGate configuration is shown below:

Based on this configuration, which two statements are true? (Choose two.)

  • A. The OCSP check of the certificate can be combined with a certificate revocation list.
  • B. OCSP checks will always go to the configured FortiAuthenticator
  • C. OCSP certificate responses are never cached by the FortiGate.
  • D. If the OCSP server is unreachable, authentication will succeed if the certificate matches the CA.

正解：A、D

解説：
B is correct because the OCSP check of the certificate can be combined with a certificate revocation list (CRL). This means that the FortiGate will check the OCSP server to see if the certificate has been revoked, and it will also check the CRL to see if the certificate has been revoked.
D is correct because if the OCSP server is unreachable, authentication will succeed if the certificate matches the CA. This is because the FortiGate will fall back to using the CRL if the OCSP server is unreachable.
The other options are incorrect. Option A is incorrect because OCSP checks can go to other OCSP servers, not just the FortiAuthenticator. Option C is incorrect because OCSP certificate responses can be cached by the FortiGate.
References:
Configuring SSL VPN authentication using digital certificates | FortiGate / FortiOS 7.2.0 - Fortinet Document Library Online Certificate Status Protocol (OCSP) | FortiGate / FortiOS 7.2.0 - Fortinet Document Library Certificate Revocation Lists (CRLs) | FortiGate / FortiOS 7.2.0 - Fortinet Document Library


質問 # 44
......

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