Huawei HCIP-Datacom-Advanced Routing & Switching Technology V1.0 認定 H12-831_V1.0-ENU 試験問題:

1. Port security is achieved by converting the dynamic MAC address learned by the interface into a secure MAC address, including secure dynamic MAC, secure static MAC and sticky MAC. Which of the following descriptions about secure MAC addresses are correct? (Multiple choice)

A) If you manually save the configuration and restart the device, the secure static IAC address information will be lost
B) Port Secure Dynamic MAC and Sticky MAC both convert dynamically learned MAC addresses into secure addresses
C) By default, these three types of MAC address information will not be aged.
D) The difference between secure dynamic MAC and sticky MAC is that the MAC table entry of the former will be lost after the device is restarted.

2. Which of the following reasons may cause the local device to be unable to learn the ARP information of the other device? (Multiple choice)

A) The physical layer of the connection is not normal
B) Link transmission is unstable or optical power is insufficient
C) The address configured on the interface is not in the same network segment as the peer device.
D) The device is attacked by ARP

3. In the OSPFv3 network shown in the figure, the interconnected ports of R1, R2, and R3 have OSPFv3 enabled, and the Router ID of each device is 10.0.XX, where x is the device number.
Check the detailed information of a certain LSA on R3, and you can infer from the output information that R1 and R2 are DRs in the network.

A) True
B) False

4. In the network shown in the figure, R1, R2, R4, and R5 run IS-IS, and the area number is
49.0001. R3 and R6 run IS-IS, and the area number is 49.0002. Inside AS65000, R1, R3, R4, and R6 all establish IBGP neighbor relationships with R2 and R5, of which R2 and R5 are RRs and R1, R4, R3, and R6 are clients. IBGP neighbor relationships are all established using the Loopback0 interface. The IP address of the Loopback0 interface of each device is 10.0.X.X/32, and the Router ID is 10.0.XX, where X is the device number. R1 and R4 introduce the external network 192.168.1.0/24 into BGP through the import method, and R3 and R6 introduce the external network 192.168.2.0/24 into BGP through the import method.

By default, which of the following descriptions are correct? (Multiple choice)

A) For 192.168.1.0/24, the Originator_ID attribute carried by R6's preferred BGP route is 10.0.1.1
B) For 192.168.1.0/24, the Originator_ID attribute carried by R3's preferred BGP route is 10.0.2.2
C) For 192.168.1.0/24, the Originator_ID attribute carried by R2's preferred BGP route is 10.0.1.1
D) For 192.168.1.0/24, R5 prefers the route received from R1

5. On the IS-IS IPv6 network shown in the figure, multi-topology is enabled on all routers.
The IPv6 address of Loopback0 on R4 is 2000::4/128.
The command ipv6 summary 2000::/64 level-1-2 is configured in the IS-IS process of R4.

Which of the following statements is false?

A) The routing table of R1 contains the route 2000::4/128.
B) The routing table of R5 does not contain the route 2000::/64.
C) The routing table of R3 contains the route 2000::/64.
D) The routing table of R2 contains the route 2000::/64.

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