Huawei H12-221-ENU : HCIP-Routing&Switching-IERS(Huawei Certified ICT Professional-Implementing Enterprise Routing and Switching Network)

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

1. In the process of BGP neighbor establishment, when the TCP cannot be established successfully, what is the state of the neighbor?

A) Active
B) Establish
C) OpenSent
D) Idle

2. With regard to the description that the BGP neighbor relationship cannot be established, which of the following analysis is wrong?

A) It is possible that the BGP neighbor is unreachable and the neighbor cannot be established.
B) OPEN message may be incorrect during the negotiation. As a result, the neighbor relationship cannot be established.
C) It is possible that TCP port 179 is disabled, causing the neighbor to fail to establish.
D) When establishing an indirectly connected EBGP neighbor relationship, the default EBGP update packet's TTL is 2 and it has not been changed manually. As a result, the neighbor cannot be established.

3. Multicast related protocols do not include:

A) OSPF
B) MSDP
C) DVMRP
D) MBGP
E) PIM

4. According to RFC 2328, for a router running OSPF, from the initial process to the process of forming an adjacency with a neighbor, which is correct?

A) Down , Init , 2-way , Exchange , Exstart , Loading , Full
B) Down , Init , Exstart , Exchange , Loading , Full
C) Down , Exstart , 2-way , Init , Exchange , Loading , Full
D) Down , Init , 2-way , Exstart , Exchange , Loading , Full

5. Which description of this configuration is wrong?

A) By default, the TC protection function of the switching equipment is in the state of failure.
B) Execute the command STP tc-protection enable, enabling the protection function of the MSTP process tc type BPDU message.
C) Enable the TC protection function, can avoid attackers forge topology changes BPDU packets to malicious attacks switching equipment, and caused the frequent relating to delete MAC address table and the ARP table, so as to achieve the purpose of the protection switching equipment.
D) When the TC protection function is enabled, the frequency of MSTP process processing type BPDU message can be configured in the unit time.

Solutions: