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QUESTION 1

RTA is a source\’s DR and RTB is an RP. A multicast source sends multicast data to RTA but RTB cannot find any
information about the multicast source (registered by using the PIM Register message). Why? (Select 3 answers)

A. RTB has no unicast routes to RTA,
B. RTA fails to learn RP information.
C. RTA has no unicast routes to RTB.
D. The RPlearned by RTA is not RTB.

QUESTION 2

A broadcast and an NBMA network, each having two or more routers, must have both DR and BDR.

A. TRUE
B. FALSE

QUESTION 3

We can prevent a router from ever becoming a DR or BDR by configuring an OSPF Priority of zero,

A. TRUE
B. FALSE

QUESTION 4

Which statement about OSPF is false?

A. The router with a higher Router Priority has a higher DR election priority.
B. When two routers have the same Router Priority, the one with a larger value for Router ID has a higher DR election
priority.
C. If a DR fails, the BDR automatically takes over as the DR and a new BDR is elected.
D. If a BDR fails, the DR will not take over as the BDR and waits for the fault recovery to handle the situation. No new
BDR will be elected.

QUESTION 5

Which of the following BGP attributes are well-known mandatory attributes? (Select 3 answers)

A. ORIGIN
B. AS_PATH
C. NEXT_HOP
D. MED
E. LOCAL_PREF
F. COMMUNITY

QUESTION 6

How does the 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.

QUESTION 7

When a routing protocol imports 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.

A. TRUE
B. FALSE

QUESTION 8

Which of the following routers can initiate SFT switchover on a PIM-SM network? (Select 2 answers)

A. last-hop router
B. Intermediate router
C. RP
D. Source\’s DR

QUESTION 9

What are the functions of an IGMFV2 Query message? (Select 3 answers)

A. A router sends IGMPv2 Query messages to collect group memberships of receiver hosts.
B. A router sends IGMPv2 Query messages to elect a querier.
C. A working router sends Query messages periodically.
D. Based on IGMPv2 Query messages, receiver hosts can unicast Report messages to the querier by obtaining its
address.

QUESTION 10

What command must be configured to establish a BGP connection between indirectly connected EBGP peers?

A. peer connect-interface
B. peer valid-TTL-hops
C. peer ignore
D. peer BGP-max-hop

QUESTION 11

A BGP finite state machine has the following states: Active OpenConfirm Idle Established OpenSent What is the state
transition sequence to establish a successful BGP peer relationship?

A. Idle-OpenSent-OpenConfirm-Active-Established
B. Idle-Active-OpenSent-OpenConfirm-Established
C. Active-Id le-OpenSent-OpenConfirm-Established
D. Idle-Active-OpenConfirm-OpenSent-Established

QUESTION 12

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

A. TRUE
B. FALSE

QUESTION 13

Which of the following concepts should a network administrator know while using VLSM technology for subnetting?
(Select 3 answers)

A. A subnet is composed of only summarized routes.
B. A subnet can address a host or be further subnetted.
C. The routing updates must carry subnet mask information.
D. The summarized networks must have the same high-order bit.

Huawei H12-221 Exam Answer

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The free Huawei H12-221 exam PDF is shared from Lead4Pass. You can download the practice online. To get the complete Huawei H12-221 exam questions and answers,
please choose Lead4Pass. We update all exam questions and answers in real-time throughout the year to ensure immediate validity.