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Blockchain CBDE Exam - Topic 3 Question 24 Discussion

Actual exam question for Blockchain's CBDE exam

Question #: 24
Topic #: 3

[All CBDE Questions]

A version pragma is a great way to make it clear:

Afor which compiler version a smart contract was developed for. It helps to avoid breaking changes.

Bfor which blockchain a smart contract was developed for. It helps to avoid confusion with beta-customers.

Cfor which blockchain node a smart contract was developed for. It helps to avoid mixing up different versions of go-ethereum.

Show Suggested Answer

Suggested Answer: A

by Mariann at May 05, 2022, 02:54 AM

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Juan

7 months ago

Agreed, A is the way to go!

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Wilson

7 months ago

Wait, I thought version pragma was just for compilers?

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Theron

8 months ago

C makes sense too, especially with all the node versions out there.

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Shaun

8 months ago

I think B is more relevant for customer clarity.

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Karima

8 months ago

Definitely A! It's crucial for compatibility.

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Almeta

8 months ago

I'm not totally confident, but I'm leaning towards C. Flooding sounds like the right technical term for how a switch forwards frames.

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Trinidad

8 months ago

Hmm, I'm not sure if redeploying the VMs to the same availability zone or set is necessary here. Wouldn't it be better to just add them to the backend pool of LB1 directly?

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Ryan

8 months ago

Okay, let's see here. The key seems to be that the firewall is blocking some calls on port 5060 from an unrecognized IP. I'm thinking option C might be the way to go, using an IP prefix-list to filter out that unwanted IP.

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