Question No. 1

Which of the following statements is true about the port mirroring on Huawei devices?

AHuawei devices support port mirroring on the control traffic sent to the CPU

BHuawei devices support flow-based port mirroring. The mirrored traffic can be copied onto multiple observing ports

CTraffic in the RSPAN is transmitted to observing ports in multicast mode

DWhen the observing port becomes congested, mirrored packets cannot be discarded because these packets have higher priority than service traffic

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Correct Answer: A

Question No. 2

The ISIS overload bit is set on R3. Which of the following statements are true?

ABefore the timeout of the overload timer on R3, R1 and R2 do not add the LSPs generated by R3 to the SPF tree.

BThe direct route of R3 is ignored by R1 and R2 due to the setting of the overload bit.

CLSPs of R3 cannot be flooded to R1 and R2.

DRoutes imported to R3 through the import-route command cannot be advertised.

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Correct Answer: D

Question No. 3

Which of the following may affect the establishment of the option IBGP ( ) neighbor? Multiple selection

AAuthentication is unsuccessful

BThe BGP protocol version is inconsistent

CIBGP -- Multi-hop not configured

DIGP routing is unreachable

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Correct Answer: A, B, D

Question No. 4

The following is a single attack?

ASpecial control

BScanning and testing

CDDoS attack

DMalformation

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Correct Answer: A, B, D

Question No. 5

The following are about 802.1x RADIUS HWTACACS authentication, and which authentication is correct.

ARADIUSi HWTACACS, authentication and authentication can be more secure for the same user.

BUse the user 802.1x, Radius authentication network access network to complete the identity authentication.

CRADIUS HWTACACS, authentication and authentication mutual exclusion cannot be used in the same way.

DRADIUS 802.1x authentication and authentication are mutually exclusive.

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Correct Answer: B, C

Free Huawei H12-261 Exam Actual Questions