Which of the following about IS-IS level hierarchies is FALSE?

Question

Options

• ALevel 2 routers interconnect the Level 1 areas.
• BThere must be a contiguous Level 2 backbone to enable routing throughout the entire network.
• CLevel 1 routers send packets to the nearest L1/L2 router if the destination is in a different area
• DLevel 2 routers store the Level 1 and Level 2 topology information in a single database.

• A
  15% (4)
• B
  4% (1)
• C
  4% (1)
• D
  78% (21)

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