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Huawei HCIE-Routing & Switching (Written) V3.0 Sample Questions:

1. Man-in-the-middle attacks or IP/MAC spoofing attacks can cause information leakage and other hazards, and are more common in intranets.
In order to prevent man-in-the-middle attacks or IP/MAC spoofing attacks, what configuration methods can be adopted?

A) Limit the maximum number of MAC addresses that can be learned on the switch interface
B) Configure Trusted/Untrusted interface
C) Configure the linkage between DHCP Snooping and DAI or IPSG on the switch
D) Enable DHCP Snooping to check the CHAD DR field in the DHCP REQUEST message

2. Between two directly connected devices that have established IBBP neighbors, execute the shutdown command to shut down the interface of one of the devices, and the BGP connection will not be disconnected immediately.

A) True
B) False

3. As shown in the figure, the ISIS overload bit is set in the configuration of router R3. Which of the following statements is correct? (Multiple Choice)

A) The LSP of R3 will not spread to R1 and R2.
B) The routes imported by R3 through import-route will not be advertised.
C) R3 starts the load discussion state, R1 and R2 will not calculate the LSP generated by R3 in the SP tree.
D) The direct route of R3 will be ignored by R1 and R2 because of the overload bit setting.
E) When the router memory is insufficient, the system automatically sets the overload flag in the sent LSP message, regardless of whether the user has configured the set-overload command.

4. Which of the following description about the address resolution function of NDP is wrong?

A) Address resolution realizes the function from IPv6 address resolution to link layer address
B) When sending a neighbor solicitation message, the destination address must be the neighbor's solicited node multicast address
C) Two ICMPv6 messages, neighbor solicitation and neighbor advertisement, are used in the address resolution process
D) When sending a neighbor solicitation message, the source address must be the link-local address of the local interface

5. The RSTP protocol provides a variety of protection functions. For example, when the edge port is configured in the protection state, the processing method after the edge port receives the BPDU message is:

A) Discard the BPDU message directly
B) Close the port
C) Forward BPDU packets as required
D) Obtain relevant information after parsing the BPDU message

Solutions: