Nokia 4A0-108 Exam - Topic 1 Question 77 Discussion

Actual exam question for Nokia's 4A0-108 exam

Question #: 77
Topic #: 1

When forwarding a multicast frame, the normal behavior for a LAN switch with IGMP snooping enabled is to forward the frame based on the similar rules as if it were:

AA unicast frame with a known destination in the forwarding table

BA unicast frame with an unknown destination in the forwarding table

CA unicast frame with a known source in the forwarding table

DA unicast frame with an unknown source in the forwarding table

Show Suggested Answer

Suggested Answer: B

by Angella at Nov 26, 2023, 05:45 AM

Limited Time Offer

25%

Off

Get Premium 4A0-108 Questions as Interactive Web-Based Practice Test or PDF

Contribute your Thoughts:

Submit Cancel

Dulce

3 months ago

Not so sure about that, seems too straightforward.

upvoted 0 times

...

Britt

3 months ago

Wait, really? I thought multicast was always treated differently.

upvoted 0 times

...

Coleen

4 months ago

A is correct, that's how IGMP snooping works.

upvoted 0 times

...

Sanjuana

4 months ago

I thought it was B, unknown destination makes sense too.

upvoted 0 times

...

Hildred

4 months ago

It's A, definitely a known destination!

upvoted 0 times

...

Jamal

4 months ago

I’m a bit confused here. Wasn’t there a case where multicast behaves like unicast with an unknown destination? I need to double-check my notes.

upvoted 0 times

...

Brittani

4 months ago

I practiced a similar question, and I believe the correct answer is that multicast frames are forwarded like unicast frames with a known destination. It just makes sense!

upvoted 0 times

...

Myra

4 months ago

I'm not entirely sure, but I remember something about IGMP snooping and how it helps with forwarding. Could it be the unknown destination option?

upvoted 0 times

...

Isabella

5 months ago

I think multicast frames are treated like unicast frames with a known destination, right? That sounds familiar from our study sessions.

upvoted 0 times

...

Okay, I think I've got this. With IGMP snooping enabled, the switch will forward the multicast frame based on the same rules as a unicast frame with a known destination in the forwarding table. That makes sense.

upvoted 0 times

...

Sylvia

5 months ago

Hmm, I'm a bit confused on the specifics of how IGMP snooping impacts multicast frame forwarding. I'll need to review my notes to make sure I understand the key differences compared to unicast frames.

upvoted 0 times

...

Amber

5 months ago

This seems like a tricky question. I'll need to think carefully about how IGMP snooping works and how that relates to the forwarding behavior for different types of frames.

upvoted 0 times

...

Kathrine

5 months ago

I'm pretty confident I know the answer to this one. IGMP snooping allows the switch to build a multicast forwarding table, so the multicast frame will be forwarded just like a unicast frame with a known destination.

upvoted 0 times

...

Mattie

5 months ago

I'm a bit unsure about this one. Do we need to do anything special with the location names like London and Ukraine? Should we try to extract those as entities or something?

upvoted 0 times

...

Margot

5 months ago

Okay, let me see. I think the key is to identify the record type that combines vulnerability data with configuration item details.

upvoted 0 times

...

Moira

5 months ago

Just a guess, but could it be that Arizona_AA is the one that takes over if there's no voicemail? That sounds familiar...

upvoted 0 times

...

Justine

9 months ago

Wait, is this a trick question? Maybe the answer is 'All of the above' and the switch just does a little dance while it figures it out.

upvoted 0 times

...

Hobert

10 months ago

This is a tough one. I'm leaning towards D, because the switch has to treat the multicast frame like an unknown unicast source.

upvoted 0 times

...

Reynalda

10 months ago

I'm going with C. The switch should forward the multicast frame based on the known source in the forwarding table, right?

upvoted 0 times

Roxanne

8 months ago

C) A unicast frame with a known source in the forwarding table

upvoted 0 times

...

Kristel

8 months ago

B) A unicast frame with an unknown destination in the forwarding table

upvoted 0 times

...

Dacia

8 months ago

A) A unicast frame with a known destination in the forwarding table

upvoted 0 times

...

Carma

10 months ago

I'm not sure about this one. I was thinking it might be B, since the switch has to flood the multicast frame like an unknown unicast destination.

upvoted 0 times

Theola

9 months ago

C) A unicast frame with a known source in the forwarding table

upvoted 0 times

...

Fletcher

9 months ago

I think it's A, because the switch forwards multicast frames based on known destinations.

upvoted 0 times

...

Beatriz

9 months ago

B) A unicast frame with an unknown destination in the forwarding table

upvoted 0 times

...

Novella

9 months ago

A) A unicast frame with a known destination in the forwarding table

upvoted 0 times

...

Ressie

9 months ago

C) A unicast frame with a known source in the forwarding table

upvoted 0 times

...

Alishia

10 months ago

I think it's A because the switch forwards multicast frames based on known destinations.

upvoted 0 times

...

Jules

10 months ago

B) A unicast frame with an unknown destination in the forwarding table

upvoted 0 times

...

Joanna

10 months ago

A) A unicast frame with a known destination in the forwarding table

upvoted 0 times

...

Sharen

11 months ago

Hmm, this is tricky. I think the answer is A, since the switch should forward the multicast frame based on the known destination in the forwarding table, just like a unicast frame.

upvoted 0 times

Chaya

9 months ago

User1: Exactly, that's how IGMP snooping works on LAN switches.

upvoted 0 times

...

Nada

9 months ago

User3: So, the switch will forward the multicast frame as if it were a unicast frame with a known destination?

upvoted 0 times

...

Chauncey

10 months ago

User2: I agree, multicast frames should be treated like unicast frames with known destinations.

upvoted 0 times

...

Rikki

10 months ago

User1: I think the answer is A, it should forward based on the known destination.

upvoted 0 times

...

Jade

11 months ago

I'm not sure, but I think the switch should treat the multicast frame like a unicast frame with an unknown destination.

upvoted 0 times

...

Claudio

11 months ago

I agree with Mattie. When forwarding a multicast frame, the switch should behave like it's forwarding a unicast frame with a known destination.

upvoted 0 times

...

Mattie

11 months ago

I think the answer is A) A unicast frame with a known destination in the forwarding table.

upvoted 0 times

...