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Cisco 200-301 Exam - Topic 21 Question 29 Discussion

Actual exam question for Cisco's 200-301 exam

Question #: 29
Topic #: 21

[All 200-301 Questions]

Why does a switch flood a frame to all ports?

AThe frame has zero destination MAC addresses.

BThe source MAC address of the frame is unknown

CThe source and destination MAC addresses of the frame are the same

DThe destination MAC address of the frame is unknown.

Show Suggested Answer

Suggested Answer: B

by Merilyn at May 04, 2022, 07:23 PM

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Antonio

10 months ago

Definitely D, that's the main reason for flooding.

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Clarence

10 months ago

I thought it was just for broadcast frames, interesting!

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Cecily

11 months ago

Wait, are you sure it's not about the source MAC being unknown?

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Willetta

11 months ago

Totally agree, that's how switches learn.

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Belen

11 months ago

It's because the destination MAC address is unknown!

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Matthew

11 months ago

I'm a bit confused on this one. I'll need to review my notes on behavior aggregate classification to make sure I understand the different criteria used.

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Shizue

11 months ago

I feel like it's about weekly monitoring for each product family. The frequency seems crucial based on past topics we covered.

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Brandon

11 months ago

Okay, let me see here. I'm leaning towards D - when the initiating user has been given the opportunity to confirm that the service is restored. That makes the most sense to me.

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