Refer to the exhibit. With the default metric settings, the OSPF cost for R1 to reach the network 172.16.1.0 is

Refer to the exhibit. With the default metric settings, the OSPF cost for R1 to reach the network 172.16.1.0 is

• 64
• 1563
• 65
• 1564
• 10
• 1

Explanation: The OSPF cost metric is the accumulated value from R1 to network 172.16.1.0. The cost for the first link is 100,000,000/64,000 (1562). The cost for the second link is 100,000,000/100,000,000 (1). The OSPF cost metric from R1 to 172.16.1.0 is therefore 1563.

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