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Exam Name

HCNP-R&S-IERS(Huawei Certified Network Professional-Implementing Enterprise Routing and Switching Network)


H12-221-ENU HCNP-R&S-IERS V2.0 Exam Content

The HCNP-R&S-IERS exam covers OSPF, ISIS and BGP routing protocols, Route Control, IP Multicast protocols, and Eth-trunk, Advanced Features Switches, RSTP, MSTP and other two layer network technologies. 

H12-221-ENU HCNP-R&S-IERS V2.0 Knowledge Points

1. OSPF Routing Protocols
2. ISIS Routing Protocols
3. BGP Routing Protocols
4. Routing Control
5. Multicast Protocols
6. Eth-Trunk Technology
7. Advanced Features of Switches

You should complete Huawei HCNP-R&S-IERS Certification Exam H12-221 in 90mins and get pass score/total score more than 600/1000.

How to use our Huawei H12-221-ENU HCNP-R&S-IERS V2.0 zip file easily?

When you download Huawei H12-221-ENU HCNP-R&S-IERS V2.0 zip file successfully. You will find the following three: "www" folder, dumpsbase.exe and the other one file in the zip. file. Click dumpsbase.exe and run it.

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Question No : 1

Which statements regarding prerequisites to establish a BGP peer relationship are true? (Select 2 answers)
A.BGP peers must be manually configured.
B. A TCP connection must be established between two neighboring routers.
C. BGP peers must exchange routing information.
D. MD5 authentication must be configured between BGP peers.
Answer: A, B

Question No : 2

A OSPF network may be structured, or subdivided into routing areas. Such routing areas are a set of network segments.
Answer: A

Question No : 3

dis igmp group verbose
IGMP interface group report information
Total 1 IGMP Group reported
Uptime: 00:09:03
Expires: 00:02:09
Last reporter:
Last-member-query-counter: 0
Last-member-query -timer-expiry: off
Group mode: exclude
Versionl-host-present-timer-expiry: off
Version2-host-present-timer-expiry: 00:02:09
The preceding information is generated after a router receives a Report message from group through Ethernet 6/1/0. Which type of Report message will not be processed by the router?
Answer: C

Question No : 4

Which of the following statements regarding comparison between ACL and IP-Prefix are true? (Select 2 answers)
A.Both ACL and IP-Prefix can perform route filtering
B. Both ACL and IP-Prefix can perform data packet filtering
C. ACL can perform data packet filtering and route filtering, but IP-Prefix can only perform route filtering
D. IP-Prefix can perform data packet filtering and route filtering, but ACL can only perform route filtering
Answer: A, C

Question No : 5

Which of the following connection types can a Router LSA describe? (Select 3 answers)
B. Star
C. Transit
D. Virtual link
Answer: A, C, D

Question No : 6

Which of the following route entries match the IP-Prefix defined below?
ip ip-prefix test index 10 permit 16 greater-equal 24 less-equal 28
(Select 2 answers)
Answer: A, C

Question No : 7

Which BGP attribute is usually used to determine the path along which data flows to an AS?
A.Router ID
B. Nexthop
C. Local-Preference
Answer: D

Question No : 8

An OSPF neighbor relationship fails to establish and the OSPF error information is displayed as follows. Which of the following is most likely the cause?

A.Router IDs conflict.
B. Area IDs are mismatched.
C. Network masks are inconsistent.
D. Authentication types are inconsistent.
Answer: A

Question No : 9

Which type of BGP route can be added to the BGP routing table?
A.All BGP routes learned from peers
B. Only the routes learned from IBGP peers
C. Only the routes learned from EBGP peers
D. Only optimal routes
Answer: A

Question No : 10

Which parameters are carried in a BGPOpen message? (Select 3 answers)
A. Local AS number
C. Keepalive timer
D. Holder timer
E. Current peer status
Answer: A,B,D

Question No : 11

The Internet Group Management Protocol (IGMP) runs between hosts and their immediately neighboring multicast routers.
Answer: A

Question No : 12

Which command triggers the advertisement of BGP routes without interrupting a BGP connection?
A.Reset bgp
B. Refresh bgp all external
C. Refresh bgp all internal
D. RR-filter
Answer: B

Question No : 13

Which of the following BGP attributes are optional in a BGP Update packet? (Select 2 answers)
B. Nexthop
C. Local-Preference
Answer: C, D

Question No : 14

Which of the following route prefixes match the IP-prefix-filter given below?
"ip ip-prefix test index 10 permit 16 greater-equal 24 less-equal 28" (Select 3 answers)
Answer: B, C, D

Question No : 15

How does community attribute of the BGP route set by routing policies affect route selection?
A.The Community attribute directly affects route selection because it must be compared during the route selection process.
B. The Community attribute does not affect route selection because it is non-transitive and cannot be transmitted between routers.
C. Routes are classified by the Community attribute which indirectly affects route selection. Different route attributes such as the Local-Preference and MED values can be set for routes in different communities.
Answer: C

Question No : 16

Which of following BGP attributes is used to define a set of prefixes with same properties?
B. Nexthop
C. Community
Answer: C

Question No : 17

In VRP, by default, a BGP router does not automatically send a refresh packet to its BGP peers for retransmitting an Update packet after the inbound routing policy of the BGP peers changes.
Answer: B

Question No : 18

IGP routes can be installed into the BGP routing table by running either the network or import-route command.
Answer: A

Question No : 19

Which of the following tools cannot be used for route filtering?
B. IP-prefix
C. Route-policy
D. Policy-based-route
Answer: D

Question No : 20

Which of the following attributes must exist in the BGP update messages? (Select 3 answers)
Answer: B, C, D

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