Free Access Huawei.H12-711_V3.0-ENU.v2022-08-23.q308 Practice Test (Page 22)

Question 101

Which of the following attacks can DHCP Snooping prevent? (Multiple choice)

A.IP spoofing attack

B.middleman and IP/MAC spoofing attacks

C.DHCP Server counterfeit attack

D.Fake DHCP lease renewal packet attack using option82 field

Question 102

aboutwindowsandlinuxWhich of the following statements is false?

A.linuxIt is difficult for beginners to get started and needs some learning and guidance

B.windowsCompatible with most software and play most games

C.windowsIt's open source, do what you want

D.linuxis open source, do what you want

Question 103

When using passive mode to establish an FTP connection, the control channel uses port 20 and the data channel uses port 21. ( )[Multiple choice]*

A.False

B.True

Question 104

In some scenarios, it is necessary to convert the source IP address, but also convert the destination IP address, which technology of the following is used by these scenarios?

A.NAT-Server

B.Nat Alg

C.Two-way NAT

D.Source Nat

Question 105

Which of the following is the encryption technology used in the digital envelope?

A.Symmetric encryption algorithm

B.Hashing algorithm

C.Stream encryption algorithm

D.Asymmetric encryption algorithm

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Question 101

Question 102

Question 103

Question 104

Question 105

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