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

1. In the BGP routing rules, which is the priority judgment principle of the Origin attribute?

A) IGP > EGP > Incomplete
B) EGP > Incomplete > IGP
C) IGP > Incomplete > EGP
D) Incomplete > EGP > IGP

2. In a multicast network environment, if IGMPv2 hosts and IGMPv1 routers (hereinafter referred to as version 2 hosts and version 1 routers) are co-located on the same LAN, how do they work together? (Multiple Choices)

A) When the Version 2 host detects that the IGMP Querier is a Version 1 router, it must always respond with the IGMPv1 report.
B) The version 1 router treats the IGMPv2 report as an invalid IGMP message type and ignores it.
C) When the version 1 router is a valid IGMP querier, the version 2 host must send an IGMPv1 report.
D) When the version 2 host leaves, it still sends an IGMP leave message and the message cannot be suppressed

3. In order to provide different services for different users or services, users or services can be finely divided according to the information of the packets (such as packet priority, source IP, destination IP, port number, etc.). So, for the alleged partitioning function, the QoS technology we usually use is:

A) Complex flow classification
B) Congestion avoidance
C) Traffic policing
D) Congestion management

4. The routers of the Level-2 sink in the routing domain must be physically contiguous to ensure the continuity of the backbone network.

A) TRUE
B) FALSE

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

A) After the multicast load balancing is configured, load balancing on the equal-cost routes is guaranteed.
B) When using load balancing by group, load balancing on equal-cost routes cannot be guaranteed due to the limitation of the hash algorithm itself.
C) 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 the multicast routing entry, not based on the multicast data packet.
D) If there is no unicast equal-cost route, multicast load sharing can also play a role.

Solutions: