What would be the first step in calculating a summarized route for 5 networks?

ccna2-answer
ccna2-exam

#1

What would be the first step in calculating a summarized route for 5 networks?

  1. Starting from the far right, determine the octet in which all the numbers are the same.
  2. Determine the network with the lowest number.
  3. Write all network numbers in binary.*
  4. Write all subnet masks in binary.