Free Huawei H12-711-ENU Exam Dumps Questions & Answers

Which of the following is not the main form of computer crime?

• A.Using a computer for personal surveys
• B.Hacking the target host
• C.Use scanning tools to collect network information without permission
• D.Implant a Trojan to the target host

When establishing their own information systems, companies check each operation according to internationally established authoritative standards and can check whether their information systems are safe.

• A.False
• B.True

Which of the following statement about the NAT is wrong?

• A.For some non-TCP, UDP protocols (such as ICMP, PPTP), unable to do the NAT translation
• B.NAT technology can effectively hide the hosts of the LAN, it is an effective network security protection technology
• C.Some application layer protocols carry IP address information in the data, but also modify the IP address information in the data of the upper layer when they are as NAT
• D.Address Translation can follow the needs of users, providing FTP, WWW, Telnet and other services outside the LAN

Which of the following is true about the description of the TCP/IP protocol stack packet decapsulation? (Multiple choice)

• A.The data packet is first transmitted to the data link layer. After parsing, the data link layer information is stripped, and the network layer information is known according to the parsing information, such as IP.
• B.After receiving the data packet, the network layer is stripped after parsing, and the upper layer processing protocol is known according to the parsing information, such as HTTP.
• C.After the application layer receives the data packet, the application layer information is stripped after parsing, and the user data displayed at the end is exactly the same as the data sent by the sender host.
• D.After the transport layer (TCP) receives the data packet, the transport layer information is stripped after parsing, and the upper layer processing protocol, such as UDP, is known according to the parsing information.

To implement the " anti-virus function " in the security policy, you must perform a License activation.

• A.False
• B.True