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Exam N10-008 topic 1 question 542 discussion

Actual exam question from CompTIA's N10-008
Question #: 542
Topic #: 1
[All N10-008 Questions]

A network technician is attempting to increase throughput by configuring link port aggregation between a Gigabit Ethernet distribution switch and a Fast Ethernet access switch. Which of the following is the BEST choice concerning speed and duplex for all interfaces that are participating in the link aggregation?

  • A. Half duplex and 1GB speed
  • B. Full duplex and 1GB speed
  • C. Half duplex and 100MB speed
  • D. Full duplex and 100MB speed
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Suggested Answer: D 🗳️

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nrz
Highly Voted 1 year, 6 months ago
Selected Answer: D
The access switches are fast ethernet so only 100mb/full duplex. All interfaces would need to be set to the highest possible link speed of all devices, which is 100mb. The gigabit interfaces would need to be set to 100/full.
upvoted 13 times
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DittoBrando
Most Recent 1 year ago
I am gonna chime in and agree D is the correct answer. Other nerds think it is fine to configure 1 end 1GB, but the question is CLEAR that you are configuring BOTH with a setting. I dont think you can configure the fast ethernet side to 1gb, but this question is BS regardless.
upvoted 3 times
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Fynnesse
1 year ago
gigabit ethernet means it can operate up to 1gb doesnt mean it only operates at 1gb. fast ethernet has a max of 100mb. That being said 100mb would be the maximum speed allowed in their communication
upvoted 2 times
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Paula77
1 year, 1 month ago
Selected Answer: B
The configuration of Full duplex and 1GB speed is the best choice for the link aggregation because it represents the optimal settings for the interfaces. However, the actual speed of data transfer will be limited by the capabilities of the devices involved. The reason we still choose 1GB speed in the configuration is to ensure that we are not artificially limiting the potential throughput. If the Fast Ethernet switch is ever upgraded to a switch that supports higher speeds, we won’t need to reconfigure the link aggregation. while the Fast Ethernet switch can’t fully utilize the 1GB speed setting, the full duplex setting and the readiness for higher speed devices make this configuration the best choice for maximizing throughput.
upvoted 1 times
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Timfdklfajlksdjlakf
1 year, 1 month ago
Faster Ethernet = 100, GBit Ethernet = 1000 .. weakest link = 100. Answer = 100. Me = Smart.
upvoted 3 times
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3Ycam
1 year, 2 months ago
Selected Answer: B
Option B will maximise potential throughput
upvoted 2 times
Timfdklfajlksdjlakf
1 year, 1 month ago
No it won't. You have 100mb and 1000mb / 1Gig connection within the chain. Weakest link is 100mb no matter how fast previous or following connections can theoretically transfer. It's called a "bottleneck".
upvoted 1 times
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karokeksa
1 year, 2 months ago
Selected Answer: B
Option B
upvoted 1 times
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ibrahimshalabi
1 year, 2 months ago
Selected Answer: B
In the scenario where a network technician is configuring link port aggregation between a Gigabit Ethernet distribution switch and a Fast Ethernet access switch, the BEST choice concerning speed and duplex for all interfaces participating in the link aggregation would be: B. Full duplex and 1GB speed
upvoted 1 times
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jeanj
1 year, 3 months ago
I apologize for any confusion. Option D (Full duplex and 100MB speed) would work for link aggregation as well, but it might not provide as much bandwidth as the 1GB speed option (Option B). The choice between 100MB and 1GB depends on the capabilities of the devices and the desired level of throughput. If the devices support Gigabit Ethernet (1GB) and you want to maximize throughput, Option B (Full duplex and 1GB speed) would be the better choice. If, for some reason, the devices involved only support Fast Ethernet (100MB), then Option D would be a valid choice, but keep in mind that the overall throughput would be limited to 100MB. In modern networks, Gigabit Ethernet is more common, so Option B is often the preferred choice for link aggregation to achieve higher throughput.
upvoted 1 times
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Zain012
1 year, 3 months ago
Its gigabit so take full advantage of 1GB duplex Gpt: D
upvoted 1 times
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Retro
1 year, 6 months ago
Full duplex and 100MB speed? going from 1gig to 100mbps so duplex mismatch
upvoted 3 times
StrawberryTechie
1 year, 5 months ago
that's a speed mismatch, not a duplex mismatch. A duplex mismatch is if one device is configured for half and the other full duplex.
upvoted 2 times
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