Huawei h12-261 practice test

Exam Title: HCIE-R&S (Written) (Huawei Certified Internetwork Expert-Routing & Switching)

Last update: Nov 30 ,2025
Question 1

What is correct about the following description? Filter-policy

  • A. In the middle, Filter-Policy, OSPF ASBR type 5 LSA type 7 LSA can be generated for filtering
  • B. The previous list can be used for both route suffix filtering and packet filtering. C. Filter-Policy can receive or route the information line to filter the chain status, and modify the attributes of the route entry.
  • D. Pre-use list When route filtering is applied, the entry ip ip-prefix 1 deny 0.0.0.0 0 less-equal 32 means that only the default route is matched.
Answer:

A

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B
D
A 0 B 0 D 0
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Question 2

OSPFv3 OSPFv2 OSPFv3 protocol Single-issue protocol is a separate one. It differs from the other in
terms of road-based rather than network segment chain.
The next thing is to say the mistake ?

  • A. Two routers connected to the link, even if their IPv6 addresses are differently suffixed, they can still establish a neighbor relationship.
  • B. Pairing the two routers connected to the road, even if you do not configure the broadcast IPv6 address, you can establish a neighbor.
  • C. The OSPFv3 Link-local router obtains the next hop of the neighboring address from the neighboring routing information.
  • D. In addition to the virtual connection, all interfaces use the address of the address composition OSPFv3 Link-local
Answer:

D

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Question 3

About the sliding window TCP ( ) action, which of the following description is the error? Multiple
selection

  • A. When the repeater is over-timed, the sender does not receive the confirmation, and the data will be unrecognized.
  • B. Sending the transmission end does not require a full window size
  • C. TCP Sliding window allows multiple packets to be sent before receiving the acknowledgment
  • D. Sliding window size can only increase or remain unchanged
  • E. The sender announces the initial window size
Answer:

D, E

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E
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Question 4

As shown in the figure, in the context of the IPv4 IPv6 ISIS NET SEL 00 ring, the address in the field
begins with the final value.

  • A. Correct
  • B. Error
Answer:

A

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Question 5

If shown, a part of a router is as shown in the first line of the LSDB LSP LSP. First received a new one,
as shown in the second jump below. The column method is wrong

  • A. The router will put the newly received LSP LSDB.
  • B. This router will ignore neighboring LSPs received from the home.
  • C. If it is a point-to-point network, this router will send PSNP
  • D. If it is a broadcast network, it will be DIS CSNP LSP in the next text, containing the summary information of this
Answer:

B

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Question 6

Regarding the OSPF Stub NSSA protocol area and area, the following method is incorrect.

  • A. Stub Type 5 LSA, NSSA Type 5 LSA area is not allowed to be injected, and the area is allowed to be injected.
  • B. Stub NSSA Type 3 LSA areas and areas are allowed to be injected.
  • C. Stub NSSA Type 4 LSA areas and areas are not allowed to be injected.
  • D. Stub Type7 LSA, NSSA Type7 LSA area is not allowed to be injected and the area is allowed to be injected.
Answer:

A

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Question 7

Regarding routing BGP filtering, what are the errors described below?

  • A. Configure a routing policy for routes originating in the local area. The policy is effective before adding routes to the routing table.
  • B. Route-Policy node node Route-Policy's relationship is inter-filter or , that is, as long as it passes a filter, it can pass.
  • C. When the BGP BGP BGP pair is received, the routing policy is executed, and the unwanted routing routes are not added to the local. Routing table
  • D. Route-Policy node if-match " " In the same one, multiple attributes of different attributes are or
Answer:

D

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Question 8

If the interface of the router is out of A GigabitEthernet0/0/0 OSPFv3 Hello Option 0x000013, the
field value is the following.
The correct one is more ( )

  • A. The interface of the router belongs to the area A GigabitEthernet0/0/0 NSSA
  • B. The router will participate in the routing calculation. A GigabitEthernet0/0/0 IPv6 meter
  • C. Router is capable A OSPFv3 standby forwarding device
  • D. Router Support Flooding
Answer:

B, C, D

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Question 9

IPv6 ISIS ring protocol deployment, the following method is correct

  • A. In the broadcast network, the first can be divided into IPv4 IPv6 DIS priority settings.
  • B. By default, the priority of the broadcast network interface is Level-1 Level-2 DIS 1 and
  • C. In the same broadcast network, if each router is supported, IPv4 IPv6 IPv4 IPv6 DIS and , and must be the same device
  • D. ISIS ISIS silent ISIS ISIS interface configuration, then this interface will not send packets, but will receive packets
Answer:

C

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Question 10

BGP BGP introduces other post-routing protocols. The next hop in the routing table is consistent with
the next hop of the redistributed route.

  • A. Correct
  • B. Error
Answer:

B

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