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Huawei H12-261_V3.0-ENU Exam Syllabus Topics:

Huawei HCIE-Routing & Switching (Written) V3.0 Sample Questions:

1. A network consisting of an existing router R1, router R2, router R3 and router R4. These four routers are interconnected via a LAN network. Basic OSPF is deployed on all four routers. When you execute the command "display ospf peer" on the router R2, the status between router R2 and router R3 is "2way".
What conclusion can you draw from this output? (Multiple Choice)

A) Router R2 is not DR
B) Router R2 is DR or BDR
C) Router R3 is not DR, nor BDR
D) Router R4 is DR
E) There is no full adjacency between router R2 and router R3.

2. Regarding BGP MED, which of the following descriptions are correct? (Multiple questions)

A) By default, if there is no MED value in the route attribute, it will be treated as 0. If the bestroute med-none-as-maximum command is configured, the MED will be processed as the maximum value of 4294967295
B) In BGP routing rules, the priority of MED is lower than AS Path, Praferred-Value, Local-Preference and Origin
C) By default, BGP routing rules can compare the MED of routes from different autonomous systems
D) The default value of BGP route MED is 0

3. Which of the following statements about OSPF route filtering is incorrect?

A) In the NSSA area, the filtering for the import and communication of external routes can be done on the ASBR or on the ABR.
B) Backbone interface filtering LSA. You can filter in and out directions. All LSAs except Grace LSA
C) Based on the link state database. When calculating the route, use the filter-policy import command. This filtering method only affects the route addition in the routing table, and has no effect on the OSPF link state database
D) The filtering for the three types of LSAs needs to be configured on the ABR between OSPF areas

4. In the intra-domain MPLS VPN network, when a data packet enters the public network and is forwarded, it will be encapsulated with two layers of MPLS labels. Which is wrong description of the two layers of labels in the following options? (Multiple Choice)

A) The outer label is used to correctly send the data packet to the corresponding VPN on the PE device
B) By default, the outer label is ejected before the packet is forwarded to the last-hop device
C) The outer label of MPLS VPN is called the private network label, and the inner label is called the public network label.
D) The outer label of MPLS VPN is allocated by LDP protocol or statically, and the inner label is allocated by the MP-BGP neighbor of the opposite end.

5. You want to set the DSCP value of VOIP traffic in the HW network device to EF.
According to the regional service model RFC, the traffic marking EF should be set as:

A) Bitstream 101110
B) DSCP is set to decimal 36
C) DSCP is set to decimal 5
D) IP ToS is set to 0xEF

Solutions: