Huawei H12-891_V1.0 Questions Answers

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Question 48

There is an As-path-filter.ip as-path-filter 1 permit*(100l400) $, which As-path-filter can match which of the following AS_PATH Attribute?( Confirmed).

Options:

300 4200

1234 1400

3100

100

Question 49

The following description of the CHAP authentication function in the PPP protocol is correct?( Multiple choice questions).

Options:

The user name must be configured under the authenticated party interface for CHAP authentication

If the authenticator does not have a username configured, password

can also be configured without the authenticated party interface Using the authentication sequence ID, random number, and key, a Hash value

is calculated using the MD5 algorithm Three message interactions are required for authentication, and only the user name is transmitted on the network without the password

Question 50

As shown in the figure, all routers run OSPF, which is correct in the following statement:

Options:

Both R2 and Zone 0 generate Router LSA

R2 generates Router LSA only in Zone 0

R2 forwards the R1-generated Router LSA to R3

R2 Forwards the R3-generated Router LSA to R1

Question 51

Regarding the description of VRRP Fast Switching, the error is ?

Options:

Use VRRP to monitor BFD sessions or EFM features, either in BPD sessions or EFM session states After the change, the VRRP module is notified to achieve fast VRRP switching

A VRRP backup group cannot monitor Peer BFD, Link BFD, and Normal BFD

at the same time If you configure to monitor multiple BFDs at the same time Then the various configurations are interrelated and may have an impact

When a VRRP backup group monitors normal BFD, when the BFD state changes, the active-standby state is changed by modifying the backup group priority

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