H12-721HCIP-Security-CISN V3.0
65 Questions and Answers Experienced specialists selected 65 questions for this exam. All answers are verified to ensure correctness.
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H12-721 Online Practice Questions and Answers
Which of the following protocol packets can not be sent by default in an IPsec tunnel?
A. TCP
B. UDP
C. ICMP
D. IGMP
An attack will fake a source server to send a large number of SYN-ACK packet to the target network or server. If the packet destination port is a TCP service port to be attacked, it will cause the server's TCP protocol stack to handle exceptions.
What attacking technique is this?
A. SYN Flood
B. SYN-ACK Flood
C. ACK-Flood
D. Connection Flood
In the FTP networ diagram shown below, you want to use the external control port of 21000 on the FTP Server, but the FTP clients can not access the FTP Server.
You have ruled packet filtering, the FTP server itself, and USG connectivity issues. What do you think the most likely problem is? (Choose two answers)
A. No use of port mapping function, the FTP client request to the FTP Server is sent to port 21000 packets as normal packets and it does not recognize these as FTP packets.
B. The firewall can identify the FTP traffic on port 21 only, and does not recognize port 21000 FTP traffic.
C. ASPF function is not configured.
D. The equipment discards all UDP traffic.
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