Huawei HCIE-Routing & Switching (Written) V3.0 認定 H12-261_V3.0 試験問題:
1. Which of the following descriptions is incorrect about the BGP alliance?
A) Sub-ASs within the confederation can use private AS numbers. HuaweiFor NE/AR routers, a confederation can be configured with up to 32 sub-ASs.
B) A confederation can easily detect routing loops within an AS because EBGP is running between child ASs.
C) Son of the UnionAS number, which is advertised to BGP peers outside the federation by default
D) The confederation divides an AS into several sub-ASs, and the AS outside the confederation still considers the confederation as one AS.
2. BGP4+ is running between the two routers, and the neighbor relationship is normal, but the BGP routing table of the local router does not have any neighbor routing entries. What are the following possible reasons?
A) The peer is configured with active-route-advertise
B) The routing entry in the peer BGP routing table is not optimal.
C) The next hop address of the BGP routing entry is unreachable
D) Peer ignore is configured on the peer
3. As shown in the following figure, part of the LSPs in the LSDB of a router are shown in the first entry in the following figure. Now I have received a new LSP, the second one in the figure below, the following statements are wrong
A) If it is a broadcast network,The DIS will include the summary information of this LSP in the next CSNP packet.
B) If it is a point-to-point network, the router will send PSNP
C) This router ignores LSPs received from neighbors
D) This router will put the newly received LSP in the LSDB
4. In an operator's MPLS VPN network, there are two devices PE1 and PE2 for MPLS VPN data forwarding.
PE1 receives a private network route of 172.16.1.0/24 from the client, converts it to a VPNv4 route on PE1 and converts it to a VPNv4 route. Assign label 1027 to publish to PE2. The outgoing label of the MPLS LSR-ID from PE2 to PE1 is 1025. When the client on PE2 accesses back to 172.16.1.0/24, the frame sent by PE2, the inner and outer labels should be the combination of which of the following options?
A) Outer label: 1025: Inner label: 1027
B) Outer label: 1027; Inner label: 1027
C) Outer label: 1025; Inner label: 1025
D) Outer label: 1027; Inner label: 1025
5. Regarding route introduction, which of the following descriptions is correct?
A) Use default in BGP-route impoThe rted command is only used to import the default route that already exists in the local IP routing table.
B) When ISIS imports external routes, if the type of route to be imported is not specified, the L1 router will import Leve1 by default.-1 route.
C) When ISIS imports external routes, if the type of route to be imported is not specified, the L1/2 router imports Level-1 by default.routing.
D) OSPFThere are two types of imported external routes. The first type of external route takes precedence over the second type of external route.
質問と回答：
| 質問 # 1 正解： C | 質問 # 2 正解： A、B | 質問 # 3 正解： C | 質問 # 4 正解： A | 質問 # 5 正解： A、D |
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