Huawei HCIP-Datacom-Core Technology V1.0 認定 H12-821_V1.0 試験問題:
1. Both MQC and PBR can be applied on device interfaces to filter received and sent packets or control packet forwarding paths.
A) TRUE
B) FALSE
2. Which of the following descriptions of OSPF special areas is incorrect?
A) The difference between the Stub area and the NSSA area is that detailed inter-area routes are not allowed to exist in the Stub area.
B) The role of the Totally Stub area is to allow the ABR to publish Type 3 LSA default routes, and does not allow the existence of autonomous system external routes and inter-area routes.
C) The difference between the NSSA area and the Stub area is that the NSSA area allows the introduction of external routes to the autonomous system, and the ASBR issues Type 7 LSA advertisements to the area.
D) The difference between a Stub area and a Totally Sub area is that detailed inter-area routing is allowed in the Stub area.
3. In different scenarios, RSTP provides different protection functions.
Which of the following statement is wrong?
A) The designated port with the root protection function enabled, its port role can only remain as the designated port
B) After the BPDU protection function is enabled on the switching device, if the edge port receives RST BPDU, the edge port will be set as a non-edge port, and the spanning tree calculation will be performed again
C) After the anti-TC-BPDU message attack function is enabled, the number of times the switching device processes TC BPDU messages within a unit time is configurable
D) The designated port with root protection enabled, when the port receives a better RSTBPDU, the port will enter the Discarding state and no longer forward packets. If the port does not receive a better RST BPDU for a period, it will automatically return to the normal Forwarding state
4. Which of the following statements regarding OSPF route summarization is false?
A) Route summarization is the process of summarizing routes with the same prefix into one route and then advertising only the summarized route to other areas.
B) OSPF supports two route summarization modes: ABR summarization and ASBR summarization.
C) Any router in OSPF can summarize routes.
D) Route summarization can reduce routing information, decrease the routing table size, and improve router performance.
5. Which of the following attributes must be carried when BGP sends route update messages?
A) AS_Path
B) Next_Hop
C) Local_Preference
D) MED
質問と回答：
| 質問 # 1 正解： A | 質問 # 2 正解： A | 質問 # 3 正解： B | 質問 # 4 正解： C | 質問 # 5 正解： A、B |
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