Discuss Ericsson ECP-206 Exam Topic 6 Question 40

Which route type is restricted in an OSPF stub area?

AType 1

BType 2

CType 3

DType 5

Suggested Answer: D

The route type that is restricted in an OSPF stub area is type 5. Type 5 LSAs are external LSAs that are generated by ASBRs to advertise routes from other routing domains or protocols into OSPF. Type 5 LSAs are flooded throughout the OSPF domain by default, except in stub areas. Stub areas are special OSPF areas that block type 5 LSAs from entering the area in order to reduce the size of the LSDB and the routing table.Stub areas only receive information about intra-area routes (type 1 and 2 LSAs), inter-area routes (type 3 LSAs), and a default route (type 3 LSA with destination 0.0.0.0/0) from the ABRs910.

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30 comments · newest first

Audry 10 months ago

I thought Type 1 was restricted, that's surprising!

Lindsay 10 months ago

Yup, Type 5 is the right answer!

Dalene 10 months ago

Totally agree, it's definitely Type 5!

Azalee 10 months ago

Wait, are you sure it's not Type 3?

Lisbeth 11 months ago

Type 5 routes are restricted in a stub area.

Shasta 11 months ago

I feel like Type 5 is the right answer since those are external routes, but I need to double-check my notes.

Blair 11 months ago

I’m a bit confused; I thought Type 1 and Type 2 were related to internal routes, so maybe it’s Type 3 that’s restricted?

Yvette 11 months ago

I remember practicing a question about OSPF stub areas, and I think Type 3 routes are allowed, not restricted.

Nu 12 months ago

I think it's Type 5 routes that are restricted in a stub area, but I'm not completely sure.

Heike 12 months ago

Wait, is it Type 2 external routes that are restricted in a stub area? I'm second-guessing myself now, but I think that's the right answer.

Katie 12 months ago

Okay, I think I've got this. In an OSPF stub area, Type 3 summary routes are the ones that are restricted, right? I'm feeling confident about that.

Glynda 1 year ago

Hmm, I'm a bit unsure about this one. I know OSPF has different route types, but I can't remember which one is restricted in a stub area off the top of my head.

Jovita 1 year ago

I'm pretty sure it's Type 5 routes that are restricted in an OSPF stub area, but let me double-check the details on that.

Yuki 1 year ago

Hmm, I'm pretty sure it's Type 3 routes that are restricted. Wait, is that a trick question? My OSPF knowledge is a little rusty.

Mariann 1 year ago

↳ replying to Yuki

Yeah, OSPF can definitely be confusing. It's good to review the different route types.

Francisca 1 year ago

↳ replying to Yuki

Oh, I see. Thanks for clarifying that. OSPF can be tricky sometimes.

Rupert 1 year ago

↳ replying to Yuki

No, it's actually Type 3 routes that are allowed in an OSPF stub area.

Roxanne 1 year ago

↳ replying to Yuki

I think you're right, Type 3 routes are restricted in an OSPF stub area.

Rozella 2 years ago

Type 5 routes are restricted in an OSPF stub area. Easy peasy lemon squeezy!

Belen 1 year ago

↳ replying to Rozella

No problem, happy to help!

Wilford 1 year ago

↳ replying to Rozella

Got it, thanks for the clarification!

Jaclyn 1 year ago

↳ replying to Rozella

So, the answer would be D) Type 5.

Viola 1 year ago

↳ replying to Rozella

Type 5 routes are restricted in an OSPF stub area.

Katy 1 year ago

↳ replying to Rozella

No problem, happy to help!

Pete 1 year ago

↳ replying to Rozella

Got it, thanks for the info!

Laurene 1 year ago

↳ replying to Rozella

So, the answer is D) Type 5.

Nobuko 1 year ago

↳ replying to Rozella

Type 5 routes are restricted in an OSPF stub area.

Elke 2 years ago

That makes sense, Type 1 routes are indeed restricted in an OSPF stub area.

Tayna 2 years ago

I disagree, I believe it's Type 1 because it doesn't allow external routes.

Elke 2 years ago

I think the answer is Type 3.

Ericsson ECP-206 Exam - Topic 6 Question 40 Discussion