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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. Which of the following is not the basic network type defined by OSPF?

A) NBMA
B) P2MP
C) Virtual Link
D) Broadcast

2. RSTP provides different protection features under different scenarios. Which of the following statement is wrong?

A) The specified port with root protection enabled can only maintain the port role as the specified port.
B) After the BPDU protection function is enabled on the switching device, if the edge port receives an RST BPDU, the edge port will be set to a non-edge port and spanning tree calculation will be performed again.
C) Start the designated port for root protection. When the port receives a better RST BPDU, the port enters the Discarding state and no more packets are forwarded. If the port does not receive a better RST BPDU within a period of time, it will automatically return to the normal Forwarding state.
D) After the TC-BPDU attack defense function is enabled, the number of times the switching device processes TC BFDU packets can be configured per unit time.

3. In the network as shown in the figure, all switches run the RSTP protocol. If the E1 interface of SWB failure, the RSTP process is? (Multiple choices)

A) Recalculate the spanning tree and elect E2 as the new root port.
B) Topology change notification is sent out on all forwarding ports to inform other switch networks that a topology change has occurred.
C) SWB deletes the port list that use E1 as the destination port in the MAC address table.
D) Topology change notification is sent out on all non-edge forwarding ports to inform other switch networks that a topology change has occurred.

4. About the description of routing policy and policy routing, which are correct? (Multiple Choice)

A) Policy routing mainly controls the introduction, release and reception of routing information.
B) The routing policy mainly controls the introduction, release and reception of routing information.
C) The routing policy mainly controls the forwarding of packets. That is, packets can not be forwarded according to the routing table.
D) Policy routing mainly controls the forwarding of packets. That is, packets can not be forwarded according to the routing table.

5. The default value of the ospf dr-priority command is 1, which ranges from 0 to 255.

A) FALSE
B) TRUE

Solutions: