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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 4) 

The FortiGate port1 is connected to the Internet. The FortiGate port2 is connected to the internal network. Examine the firewall configuration shown in the exhibit; then answer the question below. 

Based on the firewall configuration illustrated in the exhibit, which statement is correct? 

A. A user that has not authenticated can access the Internet using any protocol that does not trigger an authentication challenge. 

B. A user that has not authenticated can access the Internet using any protocol except HTTP, HTTPS, Telnet, and FTP. 

C. A user must authenticate using the HTTP, HTTPS, SSH, FTP, or Telnet protocol before they can access all Internet services. 

D. DNS Internet access is always allowed, even for users that has not authenticated. 

Answer:

Q2. - (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:

Q3. - (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:

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 4) 

Which statement regarding the firewall policy authentication timeout is true? 

A. It is an idle timeout. The FortiGate considers a user to be “idle” if it does not see any packets coming from the user’s source IP. 

B. It is a hard timeout. The FortiGate removes the temporary policy for a user’s source IP address after this timer has expired. 

C. It is an idle timeout. The FortiGate considers a user to be “idle” if it does not see any packets coming from the user’s source MAC. 

D. It is a hard timeout. The FortiGate removes the temporary policy for a user’s source MAC address after this timer has expired. 

Answer:

Q6. - (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:

Q7. - (Topic 16) 

Examine the following log message for IPS: 

2012-07-01 09:54:28 oid=2 log_id=18433 type=ips subtype=anomaly pri=alert vd=root severity="critical" src="192.168.3.168" dst="192.168.3.170" src_int="port2" serial=0 status="detected" proto=1 service="icmp" count=1 attack_name="icmp_flood" icmp_id="0xa8a4" icmp_type="0x08" icmp_code="0x00" attack_id=16777316 sensor="1" ref="http://www.fortinet.com/ids/VID16777316" msg="anomaly: icmp_flood, 51 > threshold 50" 

Which statement is correct about the above log? (Choose two.) 

A. The target is 192.168.3.168. 

B. The target is 192.168.3.170. 

C. The attack was NOT blocked. 

D. The attack was blocked. 

Answer: B,C 

Q8. - (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 

Q9. - (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 

Q10. - (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:

Q11. - (Topic 5) 

When browsing to an internal web server using a web-mode SSL VPN bookmark, which IP address is used as the source of the HTTP request? 

A. The remote user's virtual IP address. 

B. The FortiGate unit's internal IP address. 

C. The remote user's public IP address. 

D. The FortiGate unit's external IP address. 

Answer:

Q12. - (Topic 2) 

Which is an advantage of using SNMP v3 instead of SNMP v1/v2 when querying a FortiGate unit? 

A. MIB-based report uploads. 

B. SNMP access limited by access lists. 

C. Packet encryption. 

D. Running SNMP service on a non-standard port is possible. 

Answer:

Q13. - (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 

Q14. - (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:

Q15. - (Topic 12) 

A FortiGate unit is configured with three Virtual Domains (VDOMs) as illustrated in the exhibit. 

Which of the following statements are true if the network administrator wants to route traffic between all the VDOMs? (Choose three.) 

A. The administrator can configure inter-VDOM links to avoid using external interfaces and routers. 

B. As with all FortiGate unit interfaces, firewall policies must be in place for traffic to be allowed to pass through any interface, including inter-VDOM links. 

C. This configuration requires a router to be positioned between the FortiGate unit and the Internet for proper routing. 

D. Inter-VDOM routing is automatically provided if all the subnets that need to be routed are locally attached. 

E. As each VDOM has an independent routing table, routing rules need to be set (for example, static routing, OSPF) in each VDOM to route traffic between VDOMs. 

Answer: A,B,E 

Q16. - (Topic 15) 

Review the IPsec diagnostics output of the command diagnose vpn tunnel list shown in the exhibit. 

Which statements is correct regarding this output? (Select one answer). 

A. One tunnel is rekeying. 

B. Two tunnels are rekeying. 

C. Two tunnels are up. 

D. One tunnel is up. 

Answer:

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