H12-221-ENU Questions And Answers


Exam Name: HCIP-Routing&Switching-IERS(Huawei Certified ICT Professional-Implementing Enterprise Routing and Switching Network)

Updated: 2022-06-26

Q & A: 701

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Question No : 1

Which is the origin attribute of the BGP routes redistributed using the import-route command?
C. Incomplete
D. Unknown
Answer: C

Question No : 2

In a route-policy, which BGP attributes can be used to define apply clauses? (Select 3 answers)
B. Tag
C. Origin
D. AS-Path
Answer: A, C, D

Question No : 3

When a routing protocol import routes discovered by other routing protocols, it must import only
the routes that meet the conditions and set attributes for the imported routes. In such a case, a
route-policy can be created.
Answer: A

Question No : 4

Which of the following commands is used to display check information about the IGMP enabled interface?
A.[Quidway]show ip igmp interface
B. [Quidwayjdisplay igmp interface
C. [Quidway]show ip igmp
D. [Quidwayjdisplay ip interface
Answer: B

Question No : 5

The process of determining the shortest path can be divided into two phases: determine transit node first, and then determine the stub network.
Answer: B

Question No : 6

Which statements regarding BGP well-known mandatory attributes are true? (Select 3 answers)
A.Well-known mandatory attributes must be recognized by all BGP routers.
B. Well-known mandatory attributes impacts the path decision process.
C. Well-known mandatory attributes are optional in an Update packet, and can be included in an Update packet as needed.
D. Well-known mandatory attributes must be included in all Update packets.
Answer: A, B, D

Question No : 7

Which of these statements is false when using the import-route command to import routes into BGP?
A.The import-route command can import IGP routes, direct routes, and static routes into BGP.
B. A process ID must be specified if OSPF routes or RIP routes are imported into BGP.
C. By default, the origin attribute of imported routes is IGP.
D. Routing policies filters the routes imported from other routing protocols.
Answer: C

Question No : 8

Which statements regarding the local preference attribute are true? (Select 2 answers)
A.Based on BGP route selection rules, the local preference has a lower priority than the preferred-value which means BGP compares local preference of routes after comparing preferred-values.
B. The local preference of a BGP route is 0 by default.
C. The local preference selects an exit point for data from the local AS
D. Based on BGP route selection rules, the local preference has a lower priority than the MED attribute which means that BGP compares local preference of routes after comparing MED.
Answer: A, C

Question No : 9

Why is BGP run by core routers in transit AS?
A.To eliminate route loops
B. To ensure the transmission of data packets to the external destination addresses
C. To optimize network within an AS
D. To ensure only one export
Answer: B

Question No : 10

Which of the following statements about a neighbor state machine is true?
A.The Attempt state appears only on an NBMA network or a broadcast network.
B. The Attempt state appears only on an NBMA network or a P2MP network.
C. LSR packets can be sent in the Exchange state.
D. The Full state indicates that LSDB synchronization is complete. No LSDB information will be exchanged.
Answer: C

Question No : 11

Which of the following BGP filters can be used to set route attributes?
B. Route-policy
C. As-path-filer
D. Community-filter
Answer: B

Question No : 12

Default routes between routers are a low-cost solution because they are easy to configure and requires less system resources when compared with maintaining a complete routing table.
Answer: A

Question No : 13

OSPF uses SPF algorithm to compute the SPF tree based on the topology. What is the node of the 5PF tree?
B. Router and network segment
C. Port and network segment
D. Router and port
Answer: B

Question No : 14

On a broadcast network or an NBMA network, not all neighbors need to set up adjacencies with each other. Therefore, the concept of establishing adjacency is applicable only to the broadcast network or the NBMA network.
Answer: B

Question No : 15

Which of the following statements regarding NSSA commands is false?
A.The default-route-advertise  command is used to generate a type-7 default route.
B. The no-import-route parameter prevents the import of AS external routes in the form of Type-7 LSAs into an NSSA.
C. The no-summary parameter prevents the advertisement of Type-3 and Type-4 LSAs in an area.
D. The set-n-bit parameter indicates that an N-bit will be set in a DD packet.
Answer: A
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