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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

For link-state routing protocols, such as OSPF and IS-IS, filtering the route in the inbound direction with filter-policy can block the transmission of link state information, so that the filtered route cannot be added to the local routing table.

A. False
B. TRUE

Question 2

What are the well-known mandatory attributes of BGP? (Multiple Choice)

A. Origin
B. Local_preference
C. AS_Path
D. Next_hop

Question 3

The following is a description of IGMPv3, the error is:

A. The response message and the query message of the IGMPv1 and v2 versions have different message structures.
B. Added host control capability, not only can specify multicast groups, but also specify the source of multicast.
C. Allow the host to specify to receive certain multicast groups sent by some networks.
D. Serving the SSM model.

Question 4

The following description about OSPF packets is incorrect:

A. When there is a new router in the OSPF network with the largest Priority router added, the new route will preempt the original DR.
B. The Router Priority is as large as the router ID. The election with the greater router ID takes precedence.
C. Router Priority has a higher election priority.
D. If the current DR fails, the current BDR automatically becomes the new DR and the network re-elections BDR.

Question 5

If the OSPF neighbor relationship fails to be established, you can run the display ospf error command to view the information. If the following information is displayed, what may be the cause of the failure establishment of the neighbor?

A. Inconsistent Hello Interval and Dead Interval
B. Inconsistent verification types
C. Inconsistent network mask
D. Router ID conflict

Solutions: