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2021 Mar NSE7 study guide
Q21. An administrator added the following Ipsec VPN to a FortiGate configuration:
configvpn ipsec phasel -interface
edit "RemoteSite"
set type dynamic
set interface "portl"
set mode main
set psksecret ENC LCVkCiK2E2PhVUzZe
next
end
config vpn ipsec phase2-interface
edit "RemoteSite"
set phasel name "RemoteSite"
set proposal 3des-sha256
next
end
However, the phase 1 negotiation is failing. The administrator executed the IKF real time debug while attempting the Ipsec connection. The output is shown in the exhibit.
What is causing the IPsec problem in the phase 1 ?
A. The incoming IPsec connection is matching the wrong VPN configuration
B. The phrase-1 mode must be changed to aggressive
C. The pre-shared key is wrong
D. NAT-T settings do not match
Answer: C
Q22. When does a RADIUS server send anAccess-Challengepacket?
A. The server does not have the user credentials yet.
B. The server requires more information from the user,such as the token code for two-factor authentication.
C. The user credentials are wrong.
D. The user account is not found in the server.
Answer: B
Q23. Examine the output of the 'diagnose sys session list expectation' command shown in the exhibit; then answer the question below.
Which statement is true regarding the session in the exhibit?
A. it was created by the FortiGate kernel to allow push updates from FortiGuard.
B. it is for management traffic terminating at the FortiGate.
C. it is for traffic originated from the FortiGate.
D. it was created by a session helper or ALG.
Answer: A
Avant-garde NSE7 question:
Q24. An administrator has decreased all the TCP session timers to optimize the FortiGate memory usage. However, after thechanges, one network application started to have problems. During the troubleshooting, the administrator noticed that the FortiGate deletes the sessions after the clients send the SYN packets and before the arrival of the SYN/ACKs. When the SYN/ACK packetsarrive to the FortiGate, the unit has already deleted the respective sessions. Which TCP session timer must be increased to fix this problem?
A. TCP half open.
B. TCP half close.
C. TCP time wait.
D. TCP session time to live.
Answer: D
Q25. What configuration changes can reduce the memory utilization in a FortiGate? (Choose two.)
A. Reduce the session time to live.
B. Increase the TCP session timers.
C. Increase the FortiGuard cache time to live.
D. Reduce the maximum file size to inspect.
Answer: A,D
Q26. An administrator added the following Ipsec VPN to a FortiGate configuration:
configvpn ipsec phasel -interface
edit "RemoteSite"
set type dynamic
set interface "portl"
set mode main
set psksecret ENC LCVkCiK2E2PhVUzZe
next
end
config vpn ipsec phase2-interface
edit "RemoteSite"
set phasel name "RemoteSite"
set proposal 3des-sha256
next
end
However, the phase 1 negotiation is failing. The administrator executed the IKF real time debug while attempting the Ipsec connection. The output is shown in the exhibit.
What is causing the IPsec problem in the phase 1 ?
A. The incoming IPsec connection is matching the wrong VPN configuration
B. The phrase-1 mode must be changed to aggressive
C. The pre-shared key is wrong
D. NAT-T settings do not match
Answer: C
Q27. Examine the following partial outputs from two routing debug commands; then answer the question below.
# get router info routing-table database
s 0.0.0.0/0 [20/0] via 10.200.2.254, port2, [10/0] s *> 0.0.0.0/0 [10/0] via 10.200.1.254, port1
# get router info routing-table all
s* 0.0.0.0/0 [10/0] via 10.200.1.254, port1
Why the default route using port2 is not displayed in the output of the second command?
A. it has a lower priority than the default route using port1.
B. it has a higher priority than the default route using portl.
C. it has a higher distance than the default route using portl.
D. it is disabled in the FortiGate configuration.
Answer: A