In the network as shown in the figure, which of the following descriptions about R4 preferred routing is correct?

Question

Options

• AIt is impossible to determine, MED cannot be used as a condition for BGP route selection between ASs.
• BPrefer the route delivered by R3, because the larger the MED value, the better.
• CHard [balancing?] is performed, if the MED value received from R2/R3 are equal to the default value.
• DPrefer the route delivered by R2, because the smaller the MED value, the better.

• A
  9% (2)
• B
  5% (1)
• C
  14% (3)
• D
  73% (16)

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