Huawei H12-261-ENU : HCIE-Routing&Switching (Written)(Huawei Certified ICT Expert-Routing & Switching)

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

1. When running PIM-SM between multicast routers need to elect a DR to be responsible for sending and receiving multicast data at the source or member end, what is the correct description of the DR election rule?

A) The PIM router with a long interface mask is elected as the DR.
B) Compare the DR priorities first, if the priorities are the same, you need to compare the IP addresses of the PIM router interface to elect DRs.
C) The router with a small IP address is elected as a DR.
D) The PIM router with a low DR priority value is elected as the DR.

2. Which of the following descriptions about the FTP protocol is correct?

A) In FTP Active mode, the server uses the command "PORT to tell the client which port it expects to send data.
B) In FTP Passive mode, the client completes the initialization of the TCP session for control and data.
C) FTP always uses TCP port 21 to establish a data session and TCP port 20 to establish a control session.
D) FTP always uses a TCP session to transmit control information and data information.
E) FTP always uses TCP port 20 to establish a data session and ICP port 21 to establish a control session.

3. The association between LDP and IGP refers to the suppression of the issuance of reachable routes through IGP. To ensure that the LDP and IGP linkages complete network convergence. Make the IGP and LDP keep the path consistent. Minimize the loss of traffic and improve the reliability of the entire network.

A) False
B) True

4. As shown in the following topology diagram, all the interfaces of the router in the figure are all enabled with the ISIS protocol. The correct statements of the following are: (Multiple Choice)

A) If the Ethernet 0/0/1 interface of R1 is down, then R2 will become the master device.
B) If the Ethernet 0/0/0 interface of R3 is down, then R2 will become the master device.
C) If the GE0/0/0 interface of R3 is down, then R2 will become the master device.
D) If the Ethernet 0/0/0 interface of R1 is down, then R2 will become the master device.

5. If there are multiple receivers in a multicast group, the administrator enables IGMP-Snooping on the switch connecting the receiver. After the receiver receives the general query message from the querier, the receiver receives multiple receivers. How to respond?

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

Solutions: