The internetwork infrastructure of company XYZ consists of a single OSPF area as shown in the graphic. There is concern that a lack of router resources is impeding internetwork performance. As part…

Question

Options

• ACorp-1
• BCorp-2
• CCorp-3
• DCorp-4
• EBranch-1
• FBranch-2

• A
  2% (1)
• B
  4% (2)
• C
  19% (9)
• D
  66% (31)
• E
  9% (4)

Explanation

OSPF elects a Designated Router (DR) per broadcast segment (e.g., each Ethernet LAN). The election process with default settings: (1) Highest OSPF priority wins - all routers have default priority 1, so a tie-break is needed. (2) Tie-break: Highest Router ID wins. Corp-4 has the highest router ID among the routers on its segment, making it DR there. Branch-2 has the highest router ID on its segment, making it DR there. Each broadcast network elects its own DR independently, which is why two DRs are elected across the topology. The router with the highest ID on each multi-access segment wins the DR election.

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