Huawei H12-831_V1.0-ENU HCIP-Datacom-Advanced Routing & Switching Technology V1.0 Online Training
Huawei H12-831_V1.0-ENU Online Training
The questions for H12-831_V1.0-ENU were last updated at Nov 26,2024.
- Exam Code: H12-831_V1.0-ENU
- Exam Name: HCIP-Datacom-Advanced Routing & Switching Technology V1.0
- Certification Provider: Huawei
- Latest update: Nov 26,2024
In the network shown in the figure, adjacent routers use directly connected interfaces to establish EBGP neighbor relationships. The Router ID of each device is 10.0.XX, and the AS number is 6500X, where X is the router number. R1 and R4 both have static routes to 192.168.1.0/24, which are imported into BGP. R3 configures the "peer yyyy as-path-filter 1 import" command for all neighbors. Which of the following can enable R3 to select the longest AS-Path to 192.168.1.0/24?
- A . ip as-path-filter 1 permit.*
ip as-path-filter 1 deny 65001$
ip as-path-filter 1 deny ^65005 - B . ip as-path-filter 1 deny ^65002
ip as-path-filter 1 deny ^65005
ip as-path-filter 1 permit.* - C . ip as-path-filter 1 deny 65001$
ip as-path-filter 1 permit.* - D . ip as-path-filter 1 deny .*6500
ip as-path-filter 1 permit.*
In the network shown in the figure, adjacent routers use directly connected interfaces to establish EBGP neighbor relationships. The Router ID of each device is 10.0.XX, and the AS number is 6500X, where X is the router number. R1 and R4 both have static routes to 192.168.1.0/24, which are introduced into BGP through import.
By default, among the routes received by R6 regarding 192.168.1.0/24, which of the following has the longest AS_Path length?
- A . 3
- B . 4
- C . 2
- D . 1
In the network shown in the figure, adjacent routers use directly connected interfaces to establish EBGP neighbor relationships. The Router ID of each device is 10.0.XX, and the AS number is 6500X, where X is the router number. R1 and R4 both have static routes to 192.168.1.0/24, which are introduced into BGP through import.
If the "ageregate 192.168.1.0.16 detail-suppresed" command is configured on R1, which of the following is the traffic path from R3 to 192.168.1.0/24?
- A . R3-R2-R1
- B . R3-R5-R1
- C . RЗ-R6-R5-R1
- D . R3-R5-R4
In the network shown in the figure, adjacent routers use directly connected interfaces to establish EBGP neighbor relationships. The Router ID of each device is 10.0.XX, and the AS number is 6500X, where X is the router number. R1 and R4 both have static routes to 192.168.1.0/24, which are imported into BGP. R1 adds the Community attribute value (1:1) when sending routes to its neighbors. All routers in the network are enabled to pass community attributes. R3 is configured with a routing policy that refuses to receive routes with a community attribute value of 1:1. Which of the following is the traffic path for R3 to reach 192.168.1.0/24?
- A . R3-R5-R1
- B . R3-R2-R4
- C . R3 has no route to 192.168.1.0/24
- D . R3-R2-R1
In the network shown in the figure, adjacent routers use directly connected interfaces to establish EBGP neighbor relationships. The Router ID of each device is 10.0.0.X, and the AS number is 6500X, where X is the router number. R1 and R4 both have static routes to 192.168.1.0/24, which are imported into BGP. R1 adds the community attribute value (1:1) when sending routes to its neighbors. All routers in the network are enabled to pass community attributes. Which of the following can make the traffic path from R3 to 192.168.1.0/24 pass through R4?
- A . Configure the routing policy on R4 to reject routes with a community attribute value of 1:1.
- B . Configure a routing policy on R5 to reject routes with a community attribute value of 1:1.
- C . Configure a routing policy on R3 to reject routes with a community attribute value of 1:1.
- D . Configure a routing policy on R2 to reject routes with a community attribute value of 1:1.
As shown in the figure, this is an MPLS message with multiple layers of labels nested. Which of the following is the correct value of the S field at the three positions S1, S2, and S3?
- A . S1=2, S2=1, S3=0
- B . S1=1, S2=1, S3=0
- C . S1=3, S2=2, S3=1
- D . S1=0, S2=0, S3=1
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
Bgp 65000
Router-id 1.1.1.1
Peer 3.3.3.3 as-number 65000
Peer 3.3.3.3 connect-interface LoopBack 0network 10.1.1.024
# 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 0network 10.3.3.024 - B . # R1
Ospf 1
Area 0
Network 1.1.1.10.0.0.0
Network 10.1.12.00.0.0.255bgp 65000
Router-id 1.1.1.1
Peer 3.3.3.3 as-number 65000
Peer 3.3.3.3 connect-interface LoopBack 0network 10.1.1.024
Ip ip-prefix 1 index 10 permit 10.3.3.024route 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 10.1.1.024route 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
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 - D . # 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 O
Network 3.3.3.30.0.0.0
Network 10.1.23.00.0.0.255
In a certain MPLS network, the LSP information of R1 and R2 is shown in the figure. At this time, the administrator enters the command ping 3.3.3.3 on R1. Which of the following descriptions of this scenario is correct?
- A . The Ping message sent by R1 will carry label 1025. After receiving it, R2 will perform label exchange and forward it based on MPLS.
- B . The Ping message sent by R1 does not carry any label, but R2 will add a label after receiving it and forward it based on MPLS
- C . The Ping message sent by R1 will carry label 1025. After receiving it, R2 will remove the label and forward it based on IP.
- D . The Ping message sent by R1 does not carry any label. After receiving it, R2 will forward it based on IP.
In a certain MPLS network, the LSP information of R1 and R3 is shown in the figure. At this time, the administrator enters the command ping -a 1.1.1.1 3.3.3.3 on R1. Which of the following descriptions of this scenario is correct?
- A . The Echo Request message received by R2 carries label 1025, while the Echo Reply message received by R2 does not carry a label.
- B . The Echo Request message received by R2 carries label 1025, and the Echo Reply message received by R2 carries label 1024
- C . The Echo Request message received by R2 does not carry a label, and the Echo Reply message received by R2 does not carry a label either.
- D . The Echo Request message received by R2 does not carry a label, and the Echo Reply message received by R2 carries label 1024
In a certain MPLS network, the LSP information of R1 and R3 is shown in the figure. At this time, the administrator enters the command ping -a 10.1.12.13.3.3.3 on R1. Which of the following descriptions of this scenario is correct?
- A . The Echo Request message received by R2 carries label 1025, and the Echo Reply message received by R2 carries label 1024.
- B . The Echo Request message received by R2 does not carry a label, and the Echo Reply message received by R2 carries label 1024
- C . The Echo Request message received by R2 carries label 1025, while the Echo Reply message received by R2 does not carry a label.
- D . The Echo Request message received by R2 does not carry a label, and the Echo Reply message received by R2 does not carry a label either.
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