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Huawei H12-831_V1.0-ENU Exam Syllabus Topics:

Huawei HCIP-Datacom-Advanced Routing & Switching Technology V1.0 Sample Questions:

1. In the IS-IS IPv6 network shown in the figure, all routers have multi-topology enabled. Configure
"ipv6 default-route-advertise always level-1" in the R4 IS-IS process.

By default, which of the following routers has no default route in its routing table?

A) R1
B) R5
C) R2
D) R3

2. A BGP router receives a BGP route whose AS_Path attribute is "100200300". If the router wants to reject this route, which of the following as-path-filters can it use? (Multiple choice)

A) ip as-path-filter l deny 00$
B) ip as-path-filter l deny 00.*30
C) ip as-path-filter l deny.*
D) ip as-path-filter l deny 200

3. On the network shown in the figure, EBGP peer relationships are established between neighboring routers through directly connected interfaces. The router ID of each router is
10.0.X.X, and the AS number is 6500X, where X is the number of the router. Both R1 and R4 have static routes to 192.168.1.0/24, which are imported to BGP through the import-route command. R3 is configured with the peer y.y.y.y as-path-filter 1 import command for all peers.

Which of the following sets of commands enables R3 to select the route with the longest AS_Path to 192.168.1.0/24?

A) ip as-path-filter 1 deny 65001s ip as-path-filter 1 permit .*
B) jp as-path-filter 1 deny .*6500 ip as-path-filter 1 permit .*
C) ip as-path-filter 1 deny A65002 ip as-path-filter 1 deny A65005 ip as-path-filter 1 permit .*
D) ip as-path-filter 1 permit .* ip as-path-filter 1 deny 65001s ip as-path-filter 1 deny A65005

4. In an OSPF multi-area network, Area 1 is configured as a totally stub area. An ASBR redistributes external routes into Area 0. Hosts in Area 1 cannot access external routes redistributed from Area
0. Which statement best explains this behavior?

A) Type 3 LSAs carry all external routes into Area 1
B) External routes are preferred over summary routes
C) NSSA converts Type 5 to Type 7
D) Type 5 LSAs are blocked and only a default route is injected

5. In the network shown in the figure, the administrator first completes the routing configuration as shown in the options, and then enables MPLS and LDP functions on all devices and interconnected interfaces of R1-R3, so as to realize the traffic from PC1 to PC2 forwarding based on MPLS in the network.

Which of the following routing configuration options can achieve this function?

A) # R1
ospf 1
Area 0
Network 1.1.1.10.0.0.0
Network 10.1.12.00.0.0.255
Network 10.1.1.00.0.0.255
# ospf 1
Area 0
Network 2.2.2.20.0.0.0
Network 10.1.12.00.0.0.255
Network 10.1.23.00.0.0.255
# R3
ospf 1
Area 0
Network 3.3.3.30.0.0.0
Network 10.1.23.00.0.0.255
Network 10.3.3.00.0.0.255
B) # R1
ospf 1
Area 0
Network 1.1.1.10.0.0.0
Network 10.1.12.00.0.0.255
bgp 65000
Router-id 1.1.1.1
Peer 3.3.3.3 as-number 65000
Peer 3.3.3.3 connect-interface LoopBack 0
network 10.1.1.0 24
Ip ip-prefix 1 index 10 permit 10.3.3.0 24
route recursive-lookup tunnel ip-prefix 1
# R2
ospf 1
Area 0
Network 2.2.2.20.0.0.0
Network 10.1.12.00.0.0.255
Network 10.1.23.00.0.0.255
# R3
ospf 1
Area 0
Network 3.3.3.30.0.0.0
Network 10.1.23.00.0.0.255bgp 65000
Router-id 3.3.3.3
Peer 1.1.1.1 as-number 65000
Peer 1.1.1.1 connect-interface LoopBack 0
Network 10.3.3.024
Ip ip-prefix 1 index 10 permit 10.1.1.0 24
route recursive-lookup tunnel ip-prefix 1
C) # R1
ospf 1
Area 0
Network 1.1.1.10.0.0.0
Network 10.1.12.00.0.0.255
# R2
ospf 1
Area 0
Network 2.2.2.20.0.0.0
Network 10.1.12.00.0.0.255
Network 10.1.23.00.0.0.255
# R3
ospf 1
Area 0
Network 3.3.3.30.0.0.0
Network 10.1.23.00.0.0.255
D) # R1
Bgp 65000
Router-id 1.1.1.1
Peer 3.3.3.3 as-number 65000
Peer 3.3.3.3 connect-interface LoopBack 0
network 10.1.1.0 24
# R3
Bgp 65000
Router-id 3.3.3.3
Peer 1.1.1.1 as-number 65000
Peer 1.1.1.1 connect-interface LoopBack 0
network 10.3.3.0 24

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