In the VRP operating system, which of the following options can be configured to enter the view of OSPF area 0? (Multiple choice)

Question

Options

• A[Huawei-ospf-1] area 0 enable
• B[Huawei-ospf-1] area 0
• C[Huawei] ospf rnn0
• D[Huawei-ospf-1] area0 0.0.0

• A
  8% (4)
• B
  76% (38)
• C
  16% (8)

Explanation

On Huawei VRP, the command to enter an OSPF area view from within the OSPF process view ([Huawei-ospf-1]) is simply area <area-id>. Option B (area 0) uses the integer form of the area ID, and Option D (area 0.0.0.0) uses the equivalent dotted-decimal form - both are valid and accepted by VRP, making B and D correct.

Option A is wrong because area 0 enable appends a non-existent keyword; enable is not part of the area entry syntax and the command will fail. Option C is wrong for two reasons: it is issued from system view [Huawei] rather than OSPF process view, and ospf rnn0 is not valid syntax - to enter OSPF process view from system view you use ospf [process-id], and there is no single command that jumps directly to an area view from system view.

Memory tip: Think of it as a two-step staircase - ospf 1 gets you to the process landing, then area 0 (or area 0.0.0.0) gets you to the area room. Any shortcut that skips a step (Option C) or adds a fake door (Option A) won't work.

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