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Blockchain CBDE Exam - Topic 1 Question 76 Discussion

Unit-Testing on a local chain is important, because it helps you:
C) to avoid regression bugs with contracts that are updated constantly on the main-net. Once you update a contract on the main-net, the address stays the same, but the code changes and this can have disastrous side-effects.
A) to run tests quickly and especially for free, compared to continuous deployment on the MainNetwork. This way you save a lot of fees, time and costs.
B) to run tests in an environment where logging is activated. On the Main-Net you have no access to transaction logs and this is ultimately the information you need to debug your contracts.

Blockchain CBDE Exam - Topic 1 Question 76 Discussion

Actual exam question for Blockchain's CBDE exam
Question #: 76
Topic #: 1
[All CBDE Questions]

Unit-Testing on a local chain is important, because it helps you:

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Suggested Answer: C

by Maile at Oct 05, 2023, 12:41 AM

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Dong
10 months ago
I’m not sure about A, isn’t there some cost involved even locally?
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Abraham
10 months ago
C is crucial, regression bugs can really mess things up.
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Stephen
10 months ago
Wait, you can’t access logs on Main-Net? That’s wild!
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Chara
10 months ago
I think option B is more important for debugging.
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Dortha
10 months ago
Totally agree, testing locally saves so much money!
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Leatha
11 months ago
I practiced a question similar to this, and I think running tests quickly is a big advantage, but I’m torn between A and B.
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Willetta
11 months ago
I feel like option C is really important too, especially with how often contracts get updated on the main-net. I just hope I don't mix up the reasons during the exam.
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Josefa
11 months ago
I think option B makes sense because logging is crucial for debugging, but I can't recall if it's the only benefit of local testing.
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Chanel
11 months ago
I remember we discussed how testing on a local chain can save costs, but I'm not sure if that's the main reason.
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Jesse
11 months ago
I'm not totally sure about this one. The logging aspect in option B sounds important for debugging, but I'm not convinced that's the main reason for unit-testing on a local chain. I'll have to review my notes on this topic again.
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Amina
11 months ago
I agree with Charlene, option A seems like the most obvious answer. Being able to run tests for free and quickly on a local chain is a huge advantage compared to the main network. The other options don't seem as directly relevant.
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Merissa
11 months ago
Hmm, I'm a bit confused. Is it really just about saving money on fees? I feel like there must be other important reasons for unit-testing on a local chain. I'll have to think this through more carefully.
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Charlene
11 months ago
This question seems straightforward. I think the answer is A - running tests quickly and cheaply on a local chain is the main benefit of unit-testing.
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Shoshana
11 months ago
This looks like a good opportunity to apply the concepts we've been learning. I feel pretty confident I can narrow down the options and select the correct answer.
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Carlota
11 months ago
Okay, I remember learning about this in class. Cryptocurrencies are indeed considered securities and regulated by the SEC. I'll select True.
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Nicolette
11 months ago
Hmm, I'm a bit unsure about this one. The question mentions ensuring the Compliance team can't see other reports, so I'm wondering if the Deployment Server might be the right answer to control access to knowledge objects.
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Son
11 months ago
Okay, I know ST&E is used for risk assessment, so I'll look for the options that mention discovering vulnerabilities and enforcing security policies.
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Ryan
11 months ago
I recall a practice question where we analyzed the relationship between spot and futures prices. If the futures price is indeed trading higher, it makes sense that this strategy might be inappropriate. But I might need to revise that concept.
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Dacia
11 months ago
I remember studying some examples of manufacturing types, but it feels a bit confusing. Is Repetitive manufacturing the same as Continuous?
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Willow
11 months ago
I think I've got a good handle on this. The key things to remember are that data is encrypted and certificates are required. The other options seem a bit more tricky, so I'll need to carefully consider each one.
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Devora
11 months ago
Okay, I think I've got this. The key is to integrate the DNS and networking infrastructure between the two organizations as efficiently as possible. I'll focus on the options that allow for quick integration with minimal downtime.
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Wynell
1 year ago
Unit-testing on a local chain? More like 'fun-testing' if you ask me! Seriously though, it's the only way to go. Who wants to pay gas fees just to find a bug?
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Cassi
1 year ago
C) to avoid regression bugs with contracts that are updated constantly on the main-net. Once you update a contract on the main-net, the address stays the same, but the code changes and this can have disastrous side-effects.
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Lucy
1 year ago
B) to run tests in an environment where logging is activated. On the Main-Net you have no access to transaction logs and this is ultimately the information you need to debug your contracts.
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Marge
1 year ago
A) to run tests quickly and especially for free, compared to continuous deployment on the MainNetwork. This way you save a lot of fees, time and costs.
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Eveline
1 year ago
Avoiding regression bugs is so crucial, especially with constantly updated contracts. I don't want to risk breaking something on the MainNet. Local testing is the smart choice.
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Benedict
1 year ago
C) to avoid regression bugs with contracts that are updated constantly on the main-net. Once you update a contract on the main-net, the address stays the same, but the code changes and this can have disastrous side-effects.
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Galen
1 year ago
B) to run tests in an environment where logging is activated. On the Main-Net you have no access to transaction logs and this is ultimately the information you need to debug your contracts.
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Ellen
1 year ago
A) to run tests quickly and especially for free, compared to continuous deployment on the MainNetwork. This way you save a lot of fees, time and costs.
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Alaine
1 year ago
You make a great point about the logging. Debugging on the MainNet would be a nightmare without those transaction logs. Local testing is the way to go.
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Belen
1 year ago
You make a great point about the logging. Debugging on the MainNet would be a nightmare without those transaction logs. Local testing is the way to go.
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Ria
1 year ago
B) to run tests in an environment where logging is activated. On the Main-Net you have no access to transaction logs and this is ultimately the information you need to debug your contracts.
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Noemi
1 year ago
A) to run tests quickly and especially for free, compared to continuous deployment on the MainNetwork. This way you save a lot of fees, time and costs.
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Johnson
1 year ago
I believe unit-testing on a local chain is essential to prevent regression bugs on the main-net.
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Louisa
1 year ago
Running tests on a local chain is definitely the way to go. I can't imagine the fees I'd have to pay to test on the MainNet. Gotta save those precious Ether coins!
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Susy
1 year ago
User 2: Absolutely, it's important to avoid those high fees on the MainNet.
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Denae
1 year ago
User 1: I agree, running tests on a local chain saves so much money.
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Mitsue
1 year ago
I agree with Karl, running tests locally helps in debugging contracts more efficiently.
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Karl
1 year ago
I think unit-testing on a local chain is crucial for saving fees and time.
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