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Huawei H12-261-ENU Exam Syllabus Topics:

Huawei HCIE-Routing&Switching (Written)(Huawei Certified ICT Expert-Routing & Switching) Sample Questions:

1. Which of the following description of the establishment process of LDP LSP is correct? (Multiple choice)

A) Label distribution in the DoD mode, for a specific FEC, the LSR does not need to obtain the label request message from the upstream to perform label distribution.
B) By default, the LSR is for the same FEC. The received label mapping can only come from the optimal next hop. It cannot be from the non-optimal next hop.
C) When the network topology change causes the next hop neighbor to change, use free label retention way, the LSR can directly reestablish the LSP by using the label sent by the original non-optimal next hop neighbor.
D) The process of establishing an LSP is actually the process of binding the FEC to the label and advertising the binding to the upstream LSR of the LSP.

2. The HTTP protocol is based on TCP, so you can use the TCP Flood attack defense method to defend against HTTP Flood attacks.

A) False
B) True

3. In the following topology, R1 can access the Internet through R2 and R3. The EBGP connections are established between R1 and R2, R1 and R3. R2 and R3 belong to the same AS. The default route is advertised through BGP. The traffic that R1 is required to access the Internet is preferably R2. Which of the following practices can be achieved? (Multiple Choice)

A) R1 specifies that the peer R2 sets the local priority to 150 in the import direction.
B) R2 specifies that the peer R1 sets the local priority to 150 in the export direction.
C) R2 specifies that the peer R1 sets the MED attribute to 150 in the export direction.
D) R1 specifies that the peer R3 sets the MED attribute to 150 in the import direction.

4. If there are multiple receivers in a multicast group, the administrator enables IGMP-Snooping on the switch that connects the receivers. After the receiver receives the general group query message from the querier, how do multiple recipients respond?

A) Only the IGMPV2 is running, and all receivers respond to the Report message.
B) The first responder with a response timeout sends Report message, and the other recipients do not send it.
C) Only when IGMPv1 is running, all receivers respond to the Report message.
D) All recipients will respond to the Report message.

5. When DLDP detects that a unidirectional link exists in the optical fiber, the default operations of the Huawei device include: DLDP state machine migrates to the Disable state, outputs trap information, automatically sets the interface to the blocked state.

A) False
B) True

Solutions: