Discuss Nokia 4A0-105 Exam Topic 5 Question 125

Which of the following statements about Spanning Tree Protocol is true?

AFor the switches that are non-root or designated switches, the port with the highest combined cost to the root is the root port.

BIn the case where two switches have the same priority, the switch with the lowest MAC address becomes the root.

CThe switch port that is the greatest distance from the LAN to the root is the designated port.

DAll of the above.

Suggested Answer: B

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26 comments · newest first

Helene 2 days ago

I think B is true. Lowest MAC wins.

Titus 7 days ago

A is confusing. Cost isn’t the only factor for root port.

Linwood 12 days ago

B is definitely correct. Priority rules are clear.

Crista 18 days ago

I’m with D. They all have some truth to them.

Denny 23 days ago

C sounds wrong. Designated port isn’t about distance.

Ricki 28 days ago

I feel A is misleading. Root port isn’t based on highest cost.

Shala 1 month ago

I’m leaning towards D. All statements seem valid.

Terry 1 month ago

I agree with B too. Makes sense for root selection.

Latonia 1 month ago

I think B is true. Lowest MAC wins in ties.

Asha 2 months ago

I’m confused. Can someone explain A?

Paris 2 months ago

But A is definitely wrong. Cost isn’t about highest.

Earleen 2 months ago

I like D too. They all fit the protocol.

Stefania 2 months ago

C doesn’t sound right. Designated port isn’t about distance.

Rosendo 2 months ago

I feel A is misleading. Root port isn’t highest cost.

Ashley 2 months ago

I’m leaning towards D. All seem correct.

Michael 3 months ago

Agreed, B makes sense. Priority rules!

Tammara 3 months ago

I think B is true. Lowest MAC wins!

Xenia 3 months ago

D sounds like a trap, but I think B is the only solid fact.

Marsha 3 months ago

Wait, all of them can't be true, right?

Marshall 3 months ago

C is definitely wrong, designated port isn't about distance.

Janella 4 months ago

I disagree, A is misleading.

Viola 4 months ago

B is true, lowest MAC gets priority!

Tuyet 4 months ago

I’m leaning towards option D being correct, but I’m confused about the definitions of root and designated ports. I need to double-check my notes on that!

Caprice 5 months ago

I feel like I've seen a question similar to this before, and I remember that the designated port is the one that connects to the LAN, not the greatest distance from it.

Haley 6 months ago

I'm not entirely sure, but I remember something about root ports and costs. I thought the root port was the one with the lowest cost to the root, not the highest.

Nakisha 6 months ago

I think option B sounds familiar because we talked about how MAC addresses are used as tie-breakers in the root election process.

Nokia 4A0-105 Exam - Topic 5 Question 125 Discussion