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JN0-100 · Question #309

Given the configuration and routing table shown in the exhibit, which routes will be advertised to OSPF neighbors because of the demo policy? destinations, 9 routes (9 active, 0 holddown, 0 hidden)…

The correct answer is B. 192.168.0.0/17 only. See the full explanation below for the reasoning.

Question

Given the configuration and routing table shown in the exhibit, which routes will be advertised to OSPF neighbors because of the demo policy? destinations, 9 routes (9 active, 0 holddown, 0 hidden) + = Active Route, - = Last Active, * = Both 10.10.10.91/32 *[Direct/0] 00:09:40 > via lo0.0 10.10.10.92/32 *[OSPF/10] 00:01:50, metric 1 > to 172.16.1.2 via ge-0/0/2.0 100.100.1.0/24 *[Static/5] 00:01:50 Reject 172.16.1.0/24 *[Direct/0] 00:06:09 > via ge-0/0/2.0 172.16.1.1/32 *[Local/0] 00:06:09 Local via ge-0/0/2.0 192.168.0.0/16 *[Aggregate/130] 00:00:06 Reject 192.168.0.0/17 *[Aggregate/130] 00:00:06 > to 172.16.1.2 via ge-0/0/2.0 192.168.50.0/24 *[Static/5] 00:00:06 > to 172.16.1.2 via ge-0/0/2.0 192.168.51.0/24 *[Static/5] 00:00:06 > to 172.16.1.2 via ge-0/0/2.0 user@router> show configuration policy-options policy-statement demo { term 1 { from { protocol aggregate; route-filter 192.168.0.0/16 longer; } then accept; } } user@router> show configuration protocols ospf export demo; area 0.0.0.0 { interface ge-0/0/2.0; }

Options

  • A192.168.0.0/16 only
  • B192.168.0.0/17 only
  • C192.168.0.0/16 and 192.168.0.0/17
  • D192.168.0.0/17, 192.168.50.0/24, and 192.168.51.0/24

How the community answered

(27 responses)
  • A
    15% (4)
  • B
    74% (20)
  • C
    7% (2)
  • D
    4% (1)

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