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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 18) 

Bob wants to send Alice a file that is encrypted using public key cryptography. 

Which of the following statements is correct regarding the use of public key cryptography in this scenario? 

A. Bob will use his private key to encrypt the file and Alice will use her private key to decrypt the file. 

B. Bob will use his public key to encrypt the file and Alice will use Bob's private key to decrypt the file. 

C. Bob will use Alice's public key to encrypt the file and Alice will use her private key to decrypt the file. 

D. Bob will use his public key to encrypt the file and Alice will use her private key to decrypt the file. 

Answer:

Q2. - (Topic 15) 

Review the IKE debug output for IPsec shown in the exhibit below. 

Which statements is correct regarding this output? 

A. The output is a phase 1 negotiation. 

B. The output is a phase 2 negotiation. 

C. The output captures the dead peer detection messages. 

D. The output captures the dead gateway detection packets. 

Answer:

Q3. - (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:

Q4. - (Topic 7) 

Which statement is correct regarding virus scanning on a FortiGate unit? 

A. Virus scanning is enabled by default. 

B. Fortinet customer support enables virus scanning remotely for you. 

C. Virus scanning must be enabled in a security profile, which must be applied to a firewall policy. 

D. Enabling virus scanning in a security profile enables virus protection for all traffic flowing through the FortiGate. 

Answer:

Q5. - (Topic 10) 

Which statements are correct regarding application control? (Choose two.) 

A. It is based on the IPS engine. 

B. It is based on the AV engine. 

C. It can be applied to SSL encrypted traffic. 

D. Application control cannot be applied to SSL encrypted traffic. 

Answer: A,C 

Q6. - (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 

Q7. - (Topic 3) 

Examine the following CLI configuration: config system session-ttl set default 1800 end What statement is true about the effect of the above configuration line? 

A. Sessions can be idle for no more than 1800 seconds. 

B. The maximum length of time a session can be open is 1800 seconds. 

C. After 1800 seconds, the end user must re-authenticate. 

D. After a session has been open for 1800 seconds, the FortiGate sends a keepalive packet to both client and server. 

Answer:

Q8. - (Topic 13) 

Which statements correctly describe transparent mode operation? (Choose three.) 

A. The FortiGate acts as transparent bridge and forwards traffic at Layer-2. 

B. Ethernet packets are forwarded based on destination MAC addresses, NOT IP addresses. 

C. The transparent FortiGate is clearly visible to network hosts in an IP trace route. 

D. Permits inline traffic inspection and firewalling without changing the IP scheme of the network. 

E. All interfaces of the transparent mode FortiGate device must be on different IP subnets. 

Answer: A,B,D 

Q9. - (Topic 6) 

You are the administrator in charge of a FortiGate acting as an IPsec VPN gateway using route-based mode. Users from either side must be able to initiate new sessions. There is only 1 subnet at either end and the FortiGate already has a default route. 

Which two configuration steps are required to achieve these objectives? (Choose two.) 

A. Create one firewall policy. 

B. Create two firewall policies. 

C. Add a route to the remote subnet. 

D. Add two IPsec phases 2. 

Answer: B,C 

Q10. - (Topic 7) 

Which antivirus and attack definition update options are supported by FortiGate units? (Choose two.) 

A. Manual update by downloading the signatures from the support site. 

B. Pull updates from the FortiGate. 

C. Push updates from a FortiAnalyzer. 

D. execute fortiguard-AV-AS command from the CLI. 

Answer: A,B 

Q11. - (Topic 4) 

Which statements are true regarding local user authentication? (Choose two.) 

A. Two-factor authentication can be enabled on a per user basis. 

B. Local users are for administration accounts only and cannot be used to authenticate network users. 

C. Administrators can create the user accounts is a remote server and store the user passwords locally in the FortiGate. 

D. Both the usernames and passwords can be stored locally on the FortiGate 

Answer: A,D 

Q12. - (Topic 15) 

Review the static route configuration for IPsec shown in the exhibit; then answer the question below. 

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

A. Interface remote is an IPsec interface. 

B. A gateway address is not required because the interface is a point-to-point connection. 

C. A gateway address is not required because the default route is used. 

D. Interface remote is a zone. 

Answer: A,B 

Q13. - (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:

Q14. - (Topic 15) 

Which statement is an advantage of using a hub and spoke IPsec VPN configuration 

instead of a fully-meshed set of IPsec tunnels? 

A. Using a hub and spoke topology provides full redundancy. 

B. Using a hub and spoke topology requires fewer tunnels. 

C. Using a hub and spoke topology uses stronger encryption protocols. 

D. Using a hub and spoke topology requires more routes. 

Answer:

Q15. - (Topic 7) 

Examine the exhibit; then answer the question below. 

Which statement describes the green status indicators that appear next to the different FortiGuard Distribution Network services as illustrated in the exhibit? 

A. They indicate that the FortiGate has the latest updates available from the FortiGuard Distribution Network. 

B. They indicate that updates are available and should be downloaded from the FortiGuard Distribution Network to the FortiGate unit. 

C. They indicate that the FortiGate is in the process of downloading updates from the FortiGuard Distribution Network. 

D. They indicate that the FortiGate is able to connect to the FortiGuard Distribution Network. 

Answer:

Q16. - (Topic 5) 

A user logs into a SSL VPN portal and activates the tunnel mode. The administrator has enabled split tunneling. The exhibit shows the firewall policy configuration: 

Which static route is automatically added to the client’s routing table when the tunnel mode is activated? 

A. A route to a destination subnet matching the Internal_Servers address object. 

B. A route to the destination subnet configured in the tunnel mode widget. 

C. A default route. 

D. A route to the destination subnet configured in the SSL VPN global settings. 

Answer:

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