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Fortinet Network Security Expert 4 Written Exam (400) Certification Exam

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Fortinet NSE4 Free Practice Questions

Q1. - (Topic 9) 

Which two web filtering inspection modes inspect the full URL? (Choose two.) 

A. DNS-based. 

B. Proxy-based. 

C. Flow-based. 

D. URL-based. 

Answer: B,C 

Q2. - (Topic 20) 

Examine at the output below from the diagnose sys top command: # diagnose sys top 1 Run Time: 11 days, 3 hours and 29 minutes 0U, 0N, 1S, 99I; 971T, 528F, 160KF sshd 123 S 1.9 1.2 ipsengine 61 S < 0.0 5.2 miglogd 45 S 0.0 4.9 

pyfcgid 75 S 0.0 4.5 

pyfcgid 73 S 0.0 3.9 

Which statements are true regarding the output above? (Choose two.) 

A. The sshd process is the one consuming most CPU. 

B. The sshd process is using 123 pages of memory. 

C. The command diagnose sys kill miglogd will restart the miglogd process. 

D. All the processes listed are in sleeping state. 

Answer: A,D 

Q3. - (Topic 14) 

The exhibit shows the Disconnect Cluster Member command in a FortiGate unit that is part of a HA cluster with two HA members. 

What is the effect of the Disconnect Cluster Member command as given in the exhibit. (Choose two.) 

A. Port3 is configured with an IP address for management access. 

B. The firewall rules are purged on the disconnected unit. 

C. The HA mode changes to standalone. 

D. The system hostname is set to the unit serial number. 

Answer: A,C 

Q4. - (Topic 10) 

How do you configure a FortiGate to apply traffic shaping to P2P traffic, such as BitTorrent? 

A. Apply a traffic shaper to a BitTorrent entry in an application control list, which is then applied to a firewall policy. 

B. Enable the shape option in a firewall policy with service set to BitTorrent. 

C. Define a DLP rule to match against BitTorrent traffic and include the rule in a DLP sensor with traffic shaping enabled. 

D. Apply a traffic shaper to a protocol options profile. 

Answer:

Q5. - (Topic 5) 

Regarding the use of web-only mode SSL VPN, which statement is correct? 

A. It supports SSL version 3 only. 

B. It requires a Fortinet-supplied plug-in on the web client. 

C. It requires the user to have a web browser that supports 64-bit cipher length. 

D. The JAVA run-time environment must be installed on the client. 

Answer:

Q6. - (Topic 3) 

Which header field can be used in a firewall policy for traffic matching? 

A. ICMP type and code. 

B. DSCP. 

C. TCP window size. 

D. TCP sequence number. 

Answer:

Q7. - (Topic 12) 

A FortiGate is configured with three virtual domains (VDOMs). Which of the following statements is correct regarding multiple VDOMs? 

A. The FortiGate must be a model 1000 or above to support multiple VDOMs. 

B. A license has to be purchased and applied to the FortiGate before VDOM mode could be enabled. 

C. Changing the operational mode of a VDOM requires a reboot of the FortiGate. 

D. The FortiGate supports any combination of VDOMs in NAT/Route and transparent modes. 

Answer:

Q8. - (Topic 5) 

Regarding tunnel-mode SSL VPN, which three statements are correct? (Choose three.) 

A. Split tunneling is supported. 

B. It requires the installation of a VPN client. 

C. It requires the use of an Internet browser. 

D. It does not support traffic from third-party network applications. 

E. An SSL VPN IP address is dynamically assigned to the client by the FortiGate unit. 

Answer: A,B,E 

Q9. - (Topic 7) 

Which antivirus inspection mode must be used to scan SMTP, FTP, POP3 and SMB protocols? 

A. Proxy-based. 

B. DNS-based. 

C. Flow-based. 

D. Man-in-the-middle. 

Answer:

Q10. - (Topic 4) 

Which two statements are true regarding firewall policy disclaimers? (Choose two.) 

A. They cannot be used in combination with user authentication. 

B. They can only be applied to wireless interfaces. 

C. Users must accept the disclaimer to continue. 

D. The disclaimer page is customizable. 

Answer: C,D 

Q11. - (Topic 10) 

Which statements are true regarding traffic shaping that is applied in an application sensor, and associated with a firewall policy? (Choose two.) 

A. Shared traffic shaping cannot be used. 

B. Only traffic matching the application control signature is shaped. 

C. Can limit the bandwidth usage of heavy traffic applications. 

D. Per-IP traffic shaping cannot be used. 

Answer: B,C 

Q12. - (Topic 14) 

What are the requirements for a HA cluster to maintain TCP connections after device or link failover? (Choose two.) 

A. Enable session pick-up. 

B. Enable override. 

C. Connections must be UDP or ICMP. 

D. Connections must not be handled by a proxy. 

Answer: A,D 

Q13. - (Topic 7) 

Which statements regarding banned words are correct? (Choose two.) 

A. Content is automatically blocked if a single instance of a banned word appears. 

B. The FortiGate updates banned words on a periodic basis. 

C. The FortiGate can scan web pages and email messages for instances of banned words. 

D. Banned words can be expressed as simple text, wildcards and regular expressions. 

Answer: C,D 

Q14. - (Topic 14) 

Two FortiGate devices fail to form an HA cluster, the device hostnames are STUDENT and REMOTE. Exhibit A shows the command output of show system ha for the STUDENT device. Exhibit B shows the command output of show system ha for the REMOTE device. 

Exhibit A: 

Exhibit B 

Which one of the following is the most likely reason that the cluster fails to form? 

A. Password 

B. HA mode 

C. Hearbeat 

D. Override 

Answer:

Q15. - (Topic 11) 

Examine the exhibit; then answer the question below. 

The Vancouver FortiGate initially had the following information in its routing table: S 172.20.0.0/16 [10/0] via 172.21.1.2, port2 

C 172.21.0.0/16 is directly connected, port2 C 172.11.11.0/24 is directly connected, port1 Afterwards, the following static route was added: config router static edit 6 set dst 172.20.1.0 255.255.255.0 set pririoty 0 set device port1 set gateway 172.11.12.1 next end Since this change, the new static route is NOT showing up in the routing table. Given the 

information provided, which of the following describes the cause of this problem? 

A. The subnet 172.20.1.0/24 is overlapped with the subnet of one static route that is already in the routing table (172.20.0.0/16), so, we need to enable allow-subnet-overlap first. 

B. The 'gateway' IP address is NOT in the same subnet as the IP address of port1. 

C. The priority is 0, which means that the route will remain inactive. 

D. The static route configuration is missing the distance setting. 

Answer:

Q16. - (Topic 8) 

Which statements are true regarding the use of a PAC file to configure the web proxy settings in an Internet browser? (Choose two.) 

A. Only one proxy is supported. 

B. Can be manually imported to the browser. 

C. The browser can automatically download it from a web server. 

D. Can include a list of destination IP subnets where the browser can connect directly to without using a proxy. 

Answer: C,D 

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