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Huawei H12-221-ENU Exam Syllabus Topics:

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

1. About the description of IGMP Snooping, which of the following is correct? (Multiple choice)

A) IGMP Snooping does not consume the CPU of the switch.
B) IGMP Snooping establishes a MAC multicast address table by listening to the IGMP messages sent by hosts.
C) IGMP Snooping operates at the link layer and is a multicast constraint mechanism on Layer 2 Ethernet switches for managing and controlling multicast groups.
D) IGMP Snooping solves the problem of multicast broadcast at Layer 3.

2. The difference between the PIM-SM protocol and the PIM-DM protocol is: (Multiple Choice)

A) PIM-SM assumes that there are a small number of recipients in the network, while PIM-DM assumes that there are a large number of recipients in the network.
B) PIM-SM has RPT and SPT trees, while PIM-DM only has SPT trees.
C) The BSR/RP exists only in the PIM-SM network, but not in the PIM-DM.
D) PIM-SM can implement on-demand forwarding. There is no redundant traffic in the network, and PIM-DM periodically floods, and there is no redundant traffic in the network.

3. To avoid loops between areas, OSPF stipulates that routing information cannot be directly advertised between two non-backbone areas. Routing information can only be advertised within a single area or between backbone areas and non-backbone areas. Therefore, each area border router (ABR) must connect to the backbone area.

A) FALSE
B) TRUE

4. Which of the following descriptions is correct about BGP Local-Preference? (Multiple choice)

A) BGP route the default value of Local-Preference is 100.
B) BGP Local-Preference is usually used in the routing rule policy to control how data flows into As
C) In BGP routing rules, the priority of MED is higher than Local-Preference, that is the priority is compared with MED.
D) In BGP routing rules, the priority of Preferred-Value is higher than Local-Preference, that is the priority is compared with Preferred-Value.

5. The following is a router BGPFALSE output information, which description of this information is incorrect?

A) The cause of error may be due to the neighbor address error.
B) Error occurred at 12:90:39 on March 22, 2010.
C) The Error Type is displayed due to wrong neighbor relationship.
D) The router neighbor address is 10.1.1.5.

Solutions: