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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 3) 

For traffic that does match any configured firewall policy, what is the default action taken by the FortiGate? 

A. The traffic is allowed and no log is generated. 

B. The traffic is allowed and logged. 

C. The traffic is blocked and no log is generated. 

D. The traffic is blocked and logged. 

Answer:

Q2. - (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 

Q3. - (Topic 15) 

Review the configuration for FortiClient IPsec shown in the exhibit. 

Which statement is correct regarding this configuration? 

A. The connecting VPN client will install a route to a destination corresponding to the student_internal address object. 

B. The connecting VPN client will install a default route. 

C. The connecting VPN client will install a route to the 172.20.1.[1-5] address range. 

D. The connecting VPN client will connect in web portal mode and no route will be installed. 

Answer:

Q4. - (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 

Q5. - (Topic 6) 

Which IPsec configuration mode can be used for implementing GRE-over-IPsec VPNs?. 

A. Policy-based only. 

B. Route-based only. 

C. Either policy-based or route-based VPN. 

D. GRE-based only. 

Answer:

Q6. - (Topic 11) 

Review the output of the command get router info routing-table database shown in the exhibit below; then answer the question following it. 

Which two statements are correct regarding this output? (Choose two.) 

A. There will be six routes in the routing table. 

B. There will be seven routes in the routing table. 

C. There will be two default routes in the routing table. 

D. There will be two routes for the 10.0.2.0/24 subnet in the routing table. 

Answer: A,C 

Q7. - (Topic 8) 

Examine the following FortiGate web proxy configuration; then answer the question below: config web-proxy explicit set pac-file-server-status enable set pac-file-server-port 8080 set pac-file-name wpad.dat end Assuming that the FortiGate proxy IP address is 10.10.1.1, which URL must an Internet 

browser use to download the PAC file? 

A. https://10.10.1.1:8080 

B. https://10.10.1.1:8080/wpad.dat 

C. http://10.10.1.1:8080/ 

D. http://10.10.1.1:8080/wpad.dat 

Answer:

Q8. - (Topic 13) 

Which statements are correct for port pairing and forwarding domains? (Choose two.) 

A. They both create separate broadcast domains. 

B. Port Pairing works only for physical interfaces. 

C. Forwarding Domain only applies to virtual interfaces. 

D. They may contain physical and/or virtual interfaces. 

Answer: A,D 

Q9. - (Topic 3) 

In which order are firewall policies processed on a FortiGate unit? 

A. From top to down, according with their sequence number. 

B. From top to down, according with their policy ID number. 

C. Based on best match. 

D. Based on the priority value. 

Answer:

Q10. - (Topic 16) 

Review the IPS sensor filter configuration shown in the exhibit 

Based on the information in the exhibit, which statements are correct regarding the filter? (Choose two.) 

A. It does not log attacks targeting Linux servers. 

B. It matches all traffic to Linux servers. 

C. Its action will block traffic matching these signatures. 

D. It only takes effect when the sensor is applied to a policy. 

Answer: C,D 

Q11. - (Topic 1) 

Which statements are true regarding the factory default configuration? (Choose three.) 

A. The default web filtering profile is applied to the first firewall policy. 

B. The ‘Port1’ or ‘Internal’ interface has the IP address 192.168.1.99. 

C. The implicit firewall policy action is ACCEPT. 

D. The ‘Port1’ or ‘Internal’ interface has a DHCP server set up and enabled (on device models that support DHCP servers). 

E. Default login uses the username: admin (all lowercase) and no password. 

Answer: B,D,E 

Q12. - (Topic 21) 

Which statements are correct regarding an IPv6 over IPv4 IPsec configuration? (Choose two.) 

A. The source quick mode selector must be an IPv4 address. 

B. The destination quick mode selector must be an IPv6 address. 

C. The Local Gateway IP must be an IPv4 address. 

D. The remote gateway IP must be an IPv6 address. 

Answer: B,C 

Q13. - (Topic 12) 

A FortiGate is operating in NAT/Route mode and configured with two virtual LAN (VLAN) sub-interfaces added to the same physical interface. 

Which one of the following statements is correct regarding the VLAN IDs in this scenario? 

A. The two VLAN sub-interfaces can have the same VLAN ID only if they have IP addresses in different subnets. 

B. The two VLAN sub-interfaces must have different VLAN IDs. 

C. The two VLAN sub-interfaces can have the same VLAN ID only if they belong to different VDOMs. 

D. The two VLAN sub-interfaces can have the same VLAN ID if they are connected to different L2 IEEE 802.1Q compliant switches. 

Answer:

Q14. - (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 

Q15. - (Topic 22) 

Which is one of the conditions that must be met for offloading the encryption and decryption of IPsec traffic to an NP6 processor? 

A. No protection profile can be applied over the IPsec traffic. 

B. Phase-2 anti-replay must be disabled. 

C. Both the phase 1 and phases 2 must use encryption algorithms supported by the NP6. 

D. IPsec traffic must not be inspected by any FortiGate session helper. 

Answer: C

Q16. - (Topic 14) 

Which of the following statements are correct about the HA command diagnose sys ha reset-uptime? (Choose two.) 

A. The device this command is executed on is likely to switch from master to slave status if override is disabled. 

B. The device this command is executed on is likely to switch from master to slave status if override is enabled. 

C. This command has no impact on the HA algorithm. 

D. This command resets the uptime variable used in the HA algorithm so it may cause a 

new master to become elected. 

Answer: A,D 

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