H12-261_V3.0 HCIE-Routing & Switching (Written) V3.0

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Showing 16–18 of 20 questions

Question 16

Which of the following about the characteristics of multi-instance CE is incorrect?

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  • due to MThe CE device is already bound to the VPN, so there is no need to bind the VPN to the PE connected to the MCE device.

  • MCEThe device can determine the source of the routing information according to the interface that receives the routing information, and maintain it in the routing forwarding table of the corresponding VP.

  • The implementation principle of MCE is to create its own routing and forwarding table for different VPNs on the MCE device and bind it to the corresponding interface.

  • configureMCE,A CE can be connected to multiple VPNs at the same time, which not only realizes complete isolation of services between different VPN users, but also reduces the investment cost of network equipment.

Question 17

Look at the picture and talk?

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  • GE0/0/2 on STB is an alternative port

  • GE0/0/1 on SWA is a backup port

  • GE0/0/1 on SWB is an alternative port

  • SWB will become the root bridge

Question 18

Which of the following descriptions about the process of sending and receiving data frames in switch interface Access mode is correct?

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  • In Access mode, the data frame with the label is directly discarded when it is received.

  • In Access mode, the VLAN tag of the data frame will be stripped off when sending.

  • Only data frames without labels are received in Access mode.

  • When the data frame enters the switch interface, the switch will learn the destination MAC address in the data frame.