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350-401 Practice Question: Which BGP attribute is preferred when it has the…

Which BGP attribute is preferred when it has the lowest value?

⚠ Common exam trap

Cisco often tests the distinction between attributes where higher is preferred (Local Preference, Weight) versus lower is preferred (MED, AS Path length), and the trap here is that candidates might confuse MED with Local Preference or Weight, both of which use higher values as better.

Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

MED (Multi-Exit Discriminator)

The Multi-Exit Discriminator (MED) is a BGP path attribute used to influence inbound traffic to an AS from multiple entry points. A lower MED value is preferred over a higher one, making it the correct answer among the options where the lowest value is preferred.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • MED (Multi-Exit Discriminator)

    Why this is correct

    The MED attribute is used to indicate the preferred path into an AS; lower MED is better.

  • Local Preference

    Why it's wrong here

    Local Preference is higher-is-better.

  • Weight

    Why it's wrong here

    Weight is Cisco-proprietary and higher-is-better.

  • AS Path

    Why it's wrong here

    AS Path is shorter-is-better, not lower value.

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Last reviewed: Jun 24, 2026

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