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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

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

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

Question 2

For link-state routing protocols, filtering routes in the inbound direction can block the transmission of link state information. The effect of filtering is that the route cannot be added to the local routing table, and its neighbors cannot receive the complete route state information.

A. True
B. False

Question 3

The following is a section of the MUX VLAN, about the configuration of the master VLAN and the slave VLAN. Which is correct? (Multiple choices)

A. Both VLAN 10 and VLAN 11 are MUX VLANs.
B. VLAN 11 is the master VLAN.
C. Both VLAN 11 and VLAN 12 are slave VLANs.
D. VLAN 12 is an isolated slave VLAN.
E. VLAN 10 is the master VLAN.

Question 4

The ABRs in an OSPF stub area do not flood Type 5 LSAs, Type 4 LSAs, and Type 3 LSAs into the Stub area. Therefore, the Stub area does not have AS external routing capabilities. The ABR in the Stub area advertises a default route to the area to guide the data. How the package reaches the destination outside the AS.

A. True
B. False

Question 5

Which of the following protocol used the SPF algorithm?

A. RIPv1
B. OSPF
C. RIPv2
D. BGP

Solutions: