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Blockchain CBDE Exam - Topic 4 Question 91 Discussion

Actual exam question for Blockchain's CBDE exam

Question #: 91
Topic #: 4

[All CBDE Questions]

.Require is used:

Ato check internal states that should never happen.

Bto check input arguments from users.

Show Suggested Answer

Suggested Answer: A

by Verda at Jun 18, 2024, 09:35 AM

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Cyndy

9 months ago

Totally agree, A seems off for this context.

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Pamela

10 months ago

Yeah, B makes more sense for user inputs.

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Alecia

10 months ago

Wait, really? I always thought it was for internal checks!

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German

10 months ago

I thought it was for internal states, but I guess I was wrong.

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Lashaunda

10 months ago

It's definitely used to check input arguments from users.

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Corinne

10 months ago

I vaguely recall that Require is used for checking conditions that shouldn't happen, but I need to double-check that.

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Christiane

11 months ago

I feel like Require is definitely for internal checks, but I could be mixing it up with something else.

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Viva

11 months ago

I remember practicing a question where Require was used to validate user inputs, but that might have been a different context.

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Monroe

11 months ago

I think Require is more about checking internal states, but I'm not entirely sure.

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Jutta

11 months ago

This is a good one. Require is all about validating inputs, so option B seems like the right choice here. I'm confident in that answer.

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Jerry

11 months ago

I'm a bit confused by this question. I know require is important, but I'm not sure of the exact use case. I'll have to review my notes and try to reason through the options.

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Corazon

11 months ago

Okay, I've got this. Require is used to check for conditions that should never happen, like invalid internal states. That matches option A, so I'm going with that.

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Leila

11 months ago

Hmm, I'm a little unsure about this one. I know require is used for checking things, but I'm not sure if it's specifically for internal states or user input. I'll have to think it through.

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Evan

11 months ago

This seems like a straightforward question. I'll think through the options carefully and choose the one that best matches the description of require.

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Mirta

11 months ago

Hmm, this is a tricky one. There are a lot of options to choose from, and I'm not entirely sure which two are the "powerful service integrations" they're looking for. I'll have to think this through carefully.

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Verdell

11 months ago

Hmm, this looks like a tricky concurrency question. I'll need to carefully consider the transaction isolation level and how the FOR UPDATE clause affects the locking behavior.

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Melissa

1 year ago

Option B is the clear winner here. Require is all about keeping your code safe from the wild and unpredictable world of user input.

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Lilli

1 year ago

It's always better to be safe than sorry when it comes to handling user input. Require helps us enforce the necessary conditions for our code to function properly.

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Gerald

1 year ago

Definitely, we need to validate and sanitize user input to prevent any unexpected behavior or security vulnerabilities.

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Oliva

1 year ago

I agree, using require for input arguments is crucial for ensuring the stability and security of your code.

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Argelia

1 year ago

Option B is the way to go! Require is like a bouncer for your code - it makes sure the users behave themselves before they get in.

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Edward

1 year ago

Hmm, I was leaning towards option A, but now I'm not so sure. Option B makes more sense for the purpose of Require.

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Kaitlyn

1 year ago

I think option B makes more sense for the purpose of Require.

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Colton

1 year ago

Option B is used to check input arguments from users.

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Wei

1 year ago

Option A is used to check internal states that should never happen.

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Zoila

1 year ago

Definitely option B. Checking internal states that should never happen is more suited for assertions, not Require.

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Dorothy

1 year ago

Asserting internal states that should never happen is better suited for assertions.

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Lindy

1 year ago

I agree, using Require for checking input arguments is the correct choice.

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Jettie

1 year ago

Option B) to check input arguments from users.

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Sharmaine

1 year ago

I think option B is the correct answer. Require is used to validate user input and ensure that the input meets the expected criteria.

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Francoise

1 year ago

It's crucial to use require for input validation to maintain the integrity of the program.

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Nan

1 year ago

I always double check user input with require to avoid any unexpected behavior.

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Alaine

1 year ago

Yes, using require for input arguments helps to make sure the program runs smoothly.

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Julieta

1 year ago

I agree, option B is the correct answer. It's important to validate user input to prevent errors.

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Jamal

1 year ago

Hmm, that's interesting. Can you explain why you think that?

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Lovetta

1 year ago

I disagree, I believe Require is used to check internal states that should never happen.

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Jamal

1 year ago

I think Require is used to check input arguments from users.

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