Huawei HCIP-Datacom-Core Technology V1.0 - H12-821_V1.0-ENU Exam Practice Test
As shown in the figure, a sham link is established between PE1 and PE2 through the LoopBack D interface. CE2 can learn the route of the 192.168.1.0/24 network segment (direct route on CE1) through the sham link and backdoor link. When all other parameters are kept at their default configuration, the cost value of the route from CE2 to the 192.168.1.0/24 network segment should be ()
Correct Answer:
4
In OSPF, if the network type is NBMA or broadcast and there are two or more routers, DR and BDR must be specified.
Correct Answer: A
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About the description about the OSPF calculating the shortest path tree stage, which is the correct?
Correct Answer: A
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In the Trust zone view of the USG series firewall, after configuring add interface GigabiteEthernet0/0/1, it no longer belongs to the Local zone.
Correct Answer: A
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To enhance user access security, a company deployed MAC priority Portal authentication. As shown in the figure, please pair the following authentication steps in order.
Correct Answer:
The routes injected through the Network mode in BGP do not necessarily have to be routing entries that exist in the IP routing table. At the same time, the routes injected in this way are more accurate.
Correct Answer: A
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Which of the following services has a data encryption mechanism?
Correct Answer: F
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Mechanisms such as sending active and standby service messages and retransmission can be used to prevent the HSB backup channel between the active and standby ACs from being interrupted and cannot be sensed.
Correct Answer: A
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ACL is essentially a packet filter. Only when ACL is applied in the business module can ACL take effect.
Correct Answer: B
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Router A and Router B are directly connected, OSPF is enabled and the port network type is broadcast. If the two routers establish an adjacency relationship, which of the following items are necessary? (Multiple choice)
Correct Answer: A,C,E,F
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In RSTP, you can use the stp root primary command to configure the current device as the root bridge. After configuration, the device priority is automatically ( ), and the device priority cannot be changed.
Correct Answer:
0
In IGMPv1, if all the multicast members of a group leave, how many seconds does it take for the router to delete the corresponding multicast forwarding entry?
Correct Answer: C
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Type 5 LSA does not exist in the Stub area and Totally Stub area.
Correct Answer: B
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Which of the following characteristics meet the following conditions. A BCP router may not support these attributes, but it will still receive such attributes and pass them on to other peers. (Multiple choice)
Correct Answer: A,C
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Regarding the command of OSPF route aggregation, which description is correct? (Multiple choice)
Correct Answer: B,C,D
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