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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 6) 

An administrator has configured a route-based site-to-site IPsec VPN. Which statement is correct regarding this IPsec VPN configuration? 

A. The IPsec firewall policies must be placed at the top of the list. 

B. This VPN cannot be used as part of a hub and spoke topology. 

C. Routes are automatically created based on the quick mode selectors. 

D. A virtual IPsec interface is automatically created after the Phase 1 configuration is completed. 

Answer:

Q2. - (Topic 2) 

What is the maximum number of FortiAnalyzer/FortiManager devices a FortiGate unit can be configured to send logs to? 

A. 1 

B. 2 

C. 3 

D. 4 

Answer:

Q3. - (Topic 15) 

Which statements are correct properties of a partial mesh VPN deployment. (Choose two.) 

A. VPN tunnels interconnect between every single location. 

B. VPN tunnels are not configured between every single location. 

C. Some locations are reached via a hub location. 

D. There are no hub locations in a partial mesh. 

Answer: B,C 

Q4. - (Topic 8) 

Which two methods are supported by the web proxy auto-discovery protocol (WPAD) to automatically learn the URL where a PAC file is located? (Choose two.) 

A. DHCP 

B. BOOTP 

C. DNS 

D. IPv6 autoconfiguration 

Answer: A,C 

Q5. - (Topic 1) 

What methods can be used to access the FortiGate CLI? (Choose two.) 

A. Using SNMP. 

B. A direct connection to the serial console port. 

C. Using the CLI console widget in the GUI. 

D. Using RCP. 

Answer: B,C 

Q6. - (Topic 6) 

What is IPsec Perfect Forwarding Secrecy (PFS)?. 

A. A phase-1 setting that allows the use of symmetric encryption. 

B. A phase-2 setting that allows the recalculation of a new common secret key each time the session key expires. 

C. A ‘key-agreement’ protocol. 

D. A ‘security-association-agreement’ protocol. 

Answer:

Q7. - (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 

Q8. - (Topic 15) 

Which IPsec mode includes the peer id information in the first packet? 

A. Main mode. 

B. Quick mode. 

C. Aggressive mode. 

D. IKEv2 mode. 

Answer:

Q9. - (Topic 11) 

Examine the exhibit below; then answer the question following it. 

In this scenario, the FortiGate unit in Ottawa has the following routing table: 

S* 0.0.0.0/0 [10/0] via 172.20.170.254, port2 

C 172.20.167.0/24 is directly connected, port1 

C 172.20.170.0/24 is directly connected, port2 

Sniffer tests show that packets sent from the source IP address 172.20.168.2 to the destination IP address 172.20.169.2 are being dropped by the FortiGate located in Ottawa. Which of the following correctly describes the cause for the dropped packets? 

A. The forward policy check. 

B. The reverse path forwarding check. 

C. The subnet 172.20.169.0/24 is NOT in the Ottawa FortiGate’s routing table. 

D. The destination workstation 172.20.169.2 does NOT have the subnet 172.20.168.0/24 in its routing table. 

Answer:

Q10. - (Topic 14) 

Two devices are in an HA cluster, the device hostnames are STUDENT and REMOTE. Exhibit A shows the command output of diagnose sys session stat for the STUDENT device. Exhibit B shows the command output of diagnose sys session stat for the REMOTE device. 

Exhibit A: 

Exhibit B: 

Given the information provided in the exhibits, which of the following statements are correct? (Choose two.) 

A. STUDENT is likely to be the master device. 

B. Session-pickup is likely to be enabled. 

C. The cluster mode is active-passive. 

D. There is not enough information to determine the cluster mode. 

Answer: A,D 

Q11. - (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:

Q12. - (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:

Q13. - (Topic 21) 

Which statements are true regarding IPv6 anycast addresses? (Choose two.) 

A. Multiple interfaces can share the same anycast address. 

B. They are allocated from the multicast address space. 

C. Different nodes cannot share the same anycast address. 

D. An anycast packet is routed to the nearest interface. 

Answer: A,D 

Q14. - (Topic 14) 

In a high availability cluster operating in active-active mode, which of the following correctly describes the path taken by the SYN packet of an HTTP session that is offloaded to a slave unit? 

A. Request: internal host; slave FortiGate; master FortiGate; Internet; web server. 

B. Request: internal host; slave FortiGate; Internet; web server. 

C. Request: internal host; slave FortiGate; master FortiGate; Internet; web server. 

D. Request: internal host; master FortiGate; slave FortiGate; Internet; web server. 

Answer:

Q15. - (Topic 22) 

Which IP packets can be hardware-accelerated by a NP6 processor? (Choose two.) 

A. Fragmented packet. 

B. Multicast packet. 

C. SCTP packet. 

D. GRE packet. 

Answer: B,C 

Q16. - (Topic 17) 

FSSO provides a single sign on solution to authenticate users transparently to a FortiGate unit using credentials stored in Windows active directory. 

Which of the following statements are correct regarding FSSO in a Windows domain environment when agent mode is used? (Choose two.) 

A. An FSSO collector agent must be installed on every domain controller. 

B. An FSSO domain controller agent must be installed on every domain controller. 

C. The FSSO domain controller agent will regularly update user logon information on the FortiGate unit. 

D. The FSSO collector agent will receive user logon information from the domain controller agent and will send it to the FortiGate unit. 

Answer: B,D 

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