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Cisco 200-301 Exam - Topic 9 Question 70 Discussion

What is the effect when loopback interfaces and the configured router ID are absent during the OSPF Process configuration?
D) The router ID 0.0.0.0 is selected and placed in the OSPF process.
A) No router ID is set, and the OSPF protocol does not run.
B) The highest up/up physical interface IP address is selected as the router ID.
C) The lowest IP address is incremented by 1 and selected as the router ID.

Cisco 200-301 Exam - Topic 9 Question 70 Discussion

Actual exam question for Cisco's 200-301 exam
Question #: 70
Topic #: 9
[All 200-301 Questions]

What is the effect when loopback interfaces and the configured router ID are absent during the OSPF Process configuration?

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Suggested Answer: D

by Ettie at Jul 28, 2023, 12:30 AM

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Dallas
9 months ago
D seems unlikely, 0.0.0.0 as a router ID? Really?
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Krissy
10 months ago
C sounds off to me, isn't it always the highest IP?
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Eugene
10 months ago
Wait, I thought it would just fail if no ID was set?
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Zachary
10 months ago
Totally agree with B! That's how OSPF rolls.
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Kimi
10 months ago
B is correct! Highest up/up interface IP gets picked.
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Kenneth
11 months ago
I feel like I read that if no router ID is set, it defaults to 0.0.0.0, but that doesn't sound right for this question. Maybe option D?
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Tiera
11 months ago
I practiced a question similar to this, and I believe the router ID defaults to the highest IP address on an active interface. So, I lean towards option B too.
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Golda
11 months ago
I'm not entirely sure, but I remember something about OSPF needing a router ID to function properly. Could it be option A?
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Lashandra
11 months ago
I think if there's no loopback or configured router ID, OSPF will just pick the highest IP address from the up/up interfaces. That sounds like option B.
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Refugia
11 months ago
Easy peasy! The dynamic environment monitoring system can definitely be deployed in different types of data centers, so A is the correct answer.
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Zona
11 months ago
This looks like a straightforward question about accessing data from an accelerometer object. I'll carefully review the code options and think through which one would retrieve a single update.
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Ma
11 months ago
I remember practicing similar questions, and I think that increasing shutter speed could reduce motion blur.
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Charlie
11 months ago
Hmm, this is a tricky one. I'll need to think carefully about the relationship between the different elements of the triad.
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Johna
1 year ago
Haha, I bet the person who wrote this question was trying to trip us up. Choosing the lowest IP address and incrementing it by 1? That's just too random to be true.
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Tarra
1 year ago
Haha, I bet the person who wrote this question was trying to trip us up. Choosing the lowest IP address and incrementing it by 1? That's just too random to be true.
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Pearline
1 year ago
B) The highest up/up physical interface IP address is selected as the router ID.
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Ryan
1 year ago
A) No router ID is set, and the OSPF protocol does not run.
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Karon
1 year ago
Wait, what? The router ID can't be 0.0.0.0, that's just silly. I'm going to have to think this through carefully.
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Lavera
1 year ago
Aha! I remember learning about this. The correct answer is B - the highest up/up physical interface IP address is selected as the router ID. It's a good thing I reviewed that OSPF configuration section.
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Salley
1 year ago
It's always good to review and refresh your knowledge on OSPF configurations.
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France
1 year ago
I didn't know that, thanks for sharing! I'll keep that in mind for my next OSPF setup.
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Elinore
1 year ago
That's correct! It's important to remember that detail when configuring OSPF.
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Brigette
1 year ago
I think you're right, the highest up/up physical interface IP address is selected as the router ID.
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Lisbeth
1 year ago
User1: It's always good to review and make sure we understand the configuration details.
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Vanda
1 year ago
User3: Thanks for clarifying that! I wasn't sure about the router ID selection process.
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Jesus
1 year ago
User2: Actually, the correct answer is B) The highest up/up physical interface IP address is selected as the router ID.
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Desmond
1 year ago
User1: I think the answer is A) No router ID is set, and the OSPF protocol does not run.
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Mi
1 year ago
Actually, the router ID 0.0.0.0 is selected and placed in the OSPF process if loopback interfaces and configured router ID are absent.
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Clare
1 year ago
I believe the highest up/up physical interface IP address is chosen as the router ID in that case.
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Edgar
1 year ago
I think without loopback interfaces and configured router ID, the OSPF protocol won't run.
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Layla
1 year ago
Hmm, I'm not sure about this one. I thought the router ID was always required for OSPF to function properly. This seems like a tricky question.
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Stevie
1 year ago
B) The highest up/up physical interface IP address is selected as the router ID.
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Lindsay
1 year ago
A) No router ID is set, and the OSPF protocol does not run.
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Shanda
1 year ago
I agree with Brittney, selecting the highest IP address as the router ID makes sense for OSPF to function properly.
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Brittney
1 year ago
I believe the highest up/up physical interface IP address is chosen as the router ID in that case.
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Maia
1 year ago
I think if loopback interfaces and router ID are absent, the OSPF protocol won't run.
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