Free Access H3C.GB0-191-ENU.v2022-04-13.q162 Practice Test (Page 34)

Question 161

The two branches of XYZ company are interconnected by a synchronous dedicated line, and HDLC is used as the encapsulation protocol.
The correct statement about HDLC security is ______.

A.HDLC does not support verification.

B.The security of HDLC is not as rich as that of PPP. HDLC can only use PAP authentication.

C.The security of HDLC is not strong, and two authentication methods are provided, but the user name and password in the authentication are transmitted in clear text.

D.HDLC is not as secure as PPP. It does not support PAP and CHAP authentication, but can only provide plaintext authentication.

Question 162

The following description of the star network topology is correct ______. (Multiple choice)

A.In the star topology, the failure of one line does not affect the computer communication under other lines

B.Star topology is easy to maintain

C.The star topology has high robustness, and there is no single point of failure. Central node failure

D.Since the star topology network shares the bus bandwidth, when the network load is too heavy, it will cause performance degradation

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Question 161

Question 162

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