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Huawei HCIP-Datacom Sample Questions:

1. QinQ technology is a technology to expand the VLAN space. It can achieve the function of expanding the VLAN space by adding a layer of 802.1Q Tag on the basis of the 802.1Q tag message. Which of the following statements about QinQ is false?

A) QinQ technology can make the private network LAN transparently transmitted on the public network
B) The basic QinQ is implemented based on the interface
C) Flexible QinQ can add different outer tags according to different inner tags
D) QinQ increases the number of VLANs to 4095*4095

2. The IS-IS neighbor relationship between R3 and R1 is not established. According to the information in this figure, what is the possible reason?

A) The IIH authentication of R3 and R1 failed
B) The circuit-type of the interconnection interface of R3 and R1 does not match
C) The System IDs of R3 and R1 are duplicated
D) The IS-Levels of R3 and R1 do not match

3. BFD (Bidirectional Forwarding Detection) technology is a fast detection technology, but it is more complicated and requires special manufacturer equipment support.

A) TRUE
B) FALSE

4. In the following description, which of the following items are used to remind customers of information security? (Multiple choice)

A) Data backup reminder
B) Account sorting reminder
C) Log Protection Reminders
D) Password update reminder

5. IS-IS is a link-state routing protocol that uses the SPF algorithm for route calculation. A campus deploys both IPv4 and IPv6 and runs IS-IS to achieve network interconnection.
As shown in the figure, the IPV4 and IPv6 costs of this network are the same, and R1 and R4 only support IPV4. By default, in the IPv6 shortest path tree formed by calculation, the next hop device for R2 to access R6 is: ( ). (Note: the device name must be the same as the figure, such as: R1)

A) R3

Solutions: