Free Access Huawei.H12-711_V3.0-ENU.v2022-02-25.q120 Practice Test (Page 14)

Question 61

An employee of a company accesses the company's internal Web server through a firewall. The web page of the website can be opened using a browser, but the Pina command is used to test the reachability of the Web server, and it is displayed as unreachable.
What is the possible reason? ()

A.WEB server is down

B.The interface of the firewall connecting to the server is not added to the security zone

C.The security policy deployed on the firewall allows the TCP protocol, but not the ICMP protocol

D.The security policy deployed on the firewall allows the HTTP protocol, but not the ICMP protocol

Question 62

Regarding the description of the ARP spoofing attack, which of the following is wrong?

A.The ARP implementation mechanism only considers normal business interactions, and does not do any verification for abnormal business interactions or malicious behaviors

B.ARP spoofing attacks can only be achieved through ARP responses, not through ARP requests

C.When a host sends a normal ARP request, the attacker will preemptively answer, causing the host to establish a wrong IP and MAC mapping relationship

D.ARP static binding is a solution to ARP spoofing attacks, mainly used in scenarios where the network scale is not big

Question 63

Regarding Client-Initialized L2TP VPN, which of the following statements is wrong?

A.LNS assigns private IP addresses to remote users

B.After remote users access the Internet, they can directly initiate an L2TP tunnel connection request to the remote LNS through the client software

C.The LNS device receives the user's L2TP connection request, and can verify the user based on the user name and password

D.Remote users do not need to install VPN client software

Question 64

The results seen through display ike sa are as follows. Which of the following statements is wrong?

A.IKE uses the V1 version

B.The neighbor address is 2.2.2.1

C.IKE SA has been established

D.IPSec SA has been established

Question 65

In the process of using the digital envelope, which of the following information will be encrypted? (Multiple choice)

A.User data

B.Receiver's private key

C.Recipient's public key

D.Symmetric key

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Question 61

Question 62

Question 63

Question 64

Question 65

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