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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:

Question 1

IGMPv2 stipulates that when there are multiple routers in a shared network, the IGMP protocol itself elects the querier.

A. FALSE
B. TRUE

Question 2

After configuring multicast load sharing, which of the following may occur? (Multiple choice)

A. When the load on the equal-cost route is equal, the traffic may be unbalanced. This is because the group load balancing is based on multicast routing entries rather than multicast data packets.
B. After the multicast load balancing is configured, load balancing on the equal-cost routes is guaranteed.
C. Multicast load sharing can also work if there is no thin equal-cost route
D. When using load balancing by group, load balancing on equal-cost routes cannot be guaranteed due to the limitation of the hash algorithm itself.

Question 3

The ACL command acl [member] acl-number [match-order {auto | config}], where acl-number specifies the number of the access control list. What is the value of the acl-number of the user-defined ACL?

A. 4000~4999
B. 3000~3999
C. 5000~5999
D. 1000~3999

Question 4

Both policy routing and routing policy can affect the forwarding process of packets, but their impact on the package is different. Policy routing is based on policy-based forwarding. After the failure, the routing table is forwarded. Based on the forwarding plane, it serves the forwarding policy and needs to be manually configured. The routing policy is based on the destination address and is forwarded according to the routing table. Based on the control plane, it serves the routing protocol and the routing table, and combines with the routing protocol to complete the policy.

A. FALSE
B. TRUE

Question 5

Which of the following is wrong about multicasting? (Multiple choices)

A. The unicast technology and broadcast technology can't solve the problem of single send and multi-point receive. Only multicast technology can solve it.
B. Multicast technology can reduce redundant traffic and save network bandwidth.
C. Multicast technology is used in most "single-to-multiple" data distribution applications.
D. Because multicast technology is based on TCP, multicast technology can ensure the reliable transmission of packets.

Solutions: