Which of the following descriptions of router classification in IS-IS is incorrect?

Question

Options

• ALevel-1 router cannot establish adjacency relationship with Level-2 router.
• BRouter Level-1 can establish adjacency relationship with Level-1 routers.
• CThe Level-2 LSDB only contains routing information for the area where the Level-2 router is located.
• DWhen configuring IS-IS on a Huawei router, by default, the global Level1 of the router is Level-1-2.

• A
  6% (1)
• B
  17% (3)
• C
  72% (13)
• D
  6% (1)

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