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H12-221 Exam Dumps - HCNP-R&S-IERN (Huawei Certified Network Professional-Implementing Enterprise Routing Network)

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Question # 9

How does an IGMP router maintain group memberships on a network? (Select 2 answers)

The router maintains a timer for each group membership which it refreshes for hosts that send report messages and deletes the group membership of hosts that do not.

The router periodically sends Query messages. After a receiver host receives the Query message, the receiver host sends a Report message.

A receiver host periodically sends a Report message.

The router deletes a group membership only when it receives a Leave message for this group.

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Question # 10

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

TRUE

FALSE

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Question # 11

How many bits of the MAC address space is available for mapping IP multicast addresses?

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Question # 12

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?

Router IDs conflict.

Area IDs are mismatched.

Network masks are inconsistent.

Authentication types are inconsistent.

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Question # 13

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.

TRUE

FALSE

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Question # 14

Which of the following statements regarding the MED attribute are true? (Select 3 answers)

Based on BGP route selection rules, the MED has precedence over the AS_Path, Preferred-Value, Local-Preference, and Origin attributes.

The MED of a BGP route is 100 by default.

Generally, BGP compares only the MEDs of routes received from the same AS but if the "compare-different-as-med" command is configured, BGP can compare the MEDs of the routes received from multiple ASs.

the default MED value 0 on a BGP indicates that the route is not specified. If the bestroute med-none-as-maximum command is configured, the maximum MED value that can be set is 4294967295.

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Question # 15

What is the network address for the IP address 190.233.27.13/16?

190.0.0.0

190.233.0.0

190.233.27.0

190.233.27.1

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Question # 16

All routing protocols can deliver default routes, supporting both forcible delivery and non-forcible delivery.

TRUE

FALSE