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Free H12-821 – Huawei H12-821 Practice Test Question

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Showing 4–5 of 5 questions

Question 4 (Topic 1)

On a network, some switches are enabled with RSTP and some switches are enabled with STP. What will happen? (Choose all that apply.)

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  • ○ A Huawei switch changes from RSTP to STP. After the STP-enabled switch is removed from the network, the RSTP-enabled switch can be moved back to the RSTP mode.
  • ○ A Huawei switch changes its mode from STP to RSTP. After the RSTP-enabled switch is removed from the network, the STP-enabled switch can be moved back to the RSTP mode.
  • ○ STP and RSTP is compatible each other, but the rapid convergence of RSTP is unavailable.
  • ○ STP and RSTP calculation are performed independently.
Question 5 (Topic 1)

On an OSPF network, an algorithm is used to prevent loops within an area, but loops may occur between areas. Therefore, OSPF defines a loop prevention mechanism for inter-area routes. Which of the following statements are true about the loop prevention mechanism? (Choose all that apply.)

Select an option, then click Submit answer.

  • ○ An ABR cannot inject Type 3 LSAs that describe routes to a network segment in an area back to the same area.
  • ○ Inter-area routes need to be forwarded through area 0.
  • ○ Inter-area routes cannot be directly transmitted between non-backbone areas.
  • ○ All non-backbone areas must be directly connected to area 0.