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Exam 200-105 All Questions

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Exam 200-105 topic 1 question 106 discussion

Actual exam question from Cisco's 200-105
Question #: 106
Topic #: 1
[All 200-105 Questions]

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 of examining the router resources, the OSPF DRs need to be known. All the router OSPF priorities are at the default and the router IDs are shown with each router. Which routers are likely to have been elected as DR? (Choose two.)

  • A. Corp-1
  • B. Corp-2
  • C. Corp-3
  • D. Corp-4
  • E. Branch-1
  • F. Branch-2
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Suggested Answer: DF 🗳️
There are 2 segments on the topology above which are separated by Corp-3 router.
Each segment will have a DR so we have 2 DRs.
To select which router will become DR they will compare their router-IDs. The router with highest (best) router-ID will become DR. The router-ID is chosen in the order below:
The highest IP address assigned to a loopback (logical) interface. If a loopback interface is not defined, the highest IP address of all active router's physical interfaces will be chosen.
In this question, the IP addresses of loopback interfaces are not mentioned so we will consider IP addresses of all active router's physical interfaces. Router Corp-
4 (10.1.40.40) & Branch-2 (10.2.20.20) have highest "active" IP addresses so they will become DRs.

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gogo1122
Highly Voted 5 years, 2 months ago
heres the graphic : https://i.imgur.com/4XauO5x.png
upvoted 6 times
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SmaCisco
Most Recent 4 years, 9 months ago
The topology of your dream :)
upvoted 1 times
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adeshtall
5 years, 4 months ago
Where is the Graphic?
upvoted 1 times
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Podvig
5 years, 10 months ago
No graphic?
upvoted 1 times
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