Exin CDCP Exam - Topic 8 Question 26 Discussion

Actual exam question for Exin's CDCP exam

Question #: 26
Topic #: 8

[All CDCP Questions]

Which one of the following is a Natural Disaster?

AGrid Failure

BBlackouts

CHurricanes

DHuman Error

Show Suggested Answer

Suggested Answer: D

The UPS (uninterruptible power supply) is a device that provides backup power to the ICT equipment in case of a power outage or a power quality issue. The UPS should be dedicated to the ICT equipment only, and not to other loads, such as lighting, cooling, or security systems. This is because connecting fluorescent lights to the same UPS as the ICT equipment can cause several problems, such as:

* Reducing the battery runtime of the UPS, which may not be enough to support the ICT equipment until the backup generator kicks in or the utility power is restored.

* Increasing the harmonic distortion of the UPS output, which can affect the performance and reliability of the ICT equipment and the UPS itself.

* Creating electromagnetic interference (EMI) or radio frequency interference (RFI), which can disrupt the communication and data transmission of the ICT equipment.

* Triggering false alarms or tripping the circuit breakers of the UPS, which can cause downtime or data loss.

Therefore, fluorescent lights should not be connected to the same UPS that supports the ICT equipment. Instead, they should be connected to a separate power source, such as the utility power, the backup generator, or a different UPS.

1: CDCP Preparation Guide, page 17, section 2.3.1 2: Data Center Lighting Design Considerations3, page 1, section 3 4: Data Center Lighting Solutions5, page 1, section 1 6: Going beyond energy savings in data centers with LEDs7, page 1, section 2

by Merlyn at Sep 15, 2024, 09:19 PM

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Stefan

5 months ago

I thought human error could lead to disasters too, but not in the same way.

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Jesus

5 months ago

Wait, are hurricanes really classified as natural disasters? Seems obvious but I wasn't sure.

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Billye

5 months ago

Grid failures and blackouts aren't natural disasters, just human issues.

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Deangelo

5 months ago

Totally agree, hurricanes can cause massive destruction!

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Alaine

6 months ago

Hurricanes are definitely a natural disaster.

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Ty

6 months ago

Hurricanes are the clear choice here; I can't recall any other options being classified as natural disasters in our studies.

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Ronnie

6 months ago

I feel like blackouts could be caused by natural disasters, but they themselves aren't one, right?

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Pok

6 months ago

I remember a practice question about disasters, and I think it mentioned that human error isn't classified as a natural disaster.

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Daron

6 months ago

I think hurricanes are definitely considered natural disasters, but I'm not sure about the others.

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Hollis

6 months ago

Okay, let's see. Natural disasters are events caused by natural processes, not human actions. So I'm going to rule out Grid Failure, Blackouts, and Human Error. That leaves Hurricanes as the only natural disaster option.

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Salena

6 months ago

I'm a little unsure about this one. Grid failure and blackouts seem more like man-made issues, but I'm not totally confident. I'll have to think it through carefully.

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Penney

6 months ago

Hmm, this one seems pretty straightforward. I'm going to go with C - Hurricanes, since that's a classic example of a natural disaster.

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Merlyn

6 months ago

I'm feeling a bit confused on this one. I know natural disasters are events like earthquakes, floods, and storms, but I'm not sure if all the options fit that definition. I'll have to review my notes before answering.

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Gilbert

12 months ago

Let's be real, the only 'natural disaster' in this list is C) Hurricanes. The rest of these are just excuses we make when things go wrong. Nature doesn't play by our rules.

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Precious

10 months ago

Nature can be unpredictable, hurricanes are a force to be reckoned with.

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Ahmed

10 months ago

Human error is also not a natural disaster, it's just a mistake made by people.

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Lennie

10 months ago

Grid failure and blackouts are more man-made issues, not nature's doing.

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Marisha

12 months ago

I agree, hurricanes are definitely the only true natural disaster on that list.

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Sheridan

1 year ago

I'm picturing a hurricane ripping through town and thinking, 'Yeah, that's a natural disaster alright.' C) Hurricanes is the clear choice here.

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Corrie

11 months ago

Yeah, hurricanes can cause a lot of destruction and are considered a natural disaster.

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Whitney

11 months ago

I agree, hurricanes are definitely a natural disaster.

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Kristofer

1 year ago

I'm going with C) Hurricanes. The other options sound more like the result of human actions or inactions. Nature can be a real force to be reckoned with.

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