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BTA Certified Blockchain Developer - Ethereum Questions 41–45 (page: 10)

Updated On: 9-Feb-2026

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QUESTION: 41

Solidity files:

can't be split across multiple files, everything should be in one single file.
can be split across multiple files, but every contract must be in a file with the same name as the contract itself.
can be spread across multiple files. To import all contract from a file you can use "import 'myfile.sol'. To import Contract MyContract from myfile.sol you use "import {MyContract as SomeContract} from 'myfile.sol';".

Answer(s): C

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QUESTION: 42

Files can be imported:

using relative and absolute paths, where the "." And the ".." depict that it's a relative path.
only via GitHub using the Repository and Username.
using the special requirefile(...) statement, which looks in a specific library path to import files.

Answer(s): A

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QUESTION: 43

Importing from GitHub:

works across all compilers and platforms the same way.
is generally possible, but currently works only in Remix, but doesn't work in Truffle.

Answer(s): B

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QUESTION: 44

Single line comments in Solidity are:

working with either // or ///
working with /* comment */ or /** @.. natspec style */
not possible, all comments must be multi-line.

Answer(s): A

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QUESTION: 45

Multi-Line Comments in Solidity are:

working with either // or ///
working with /* comment */ or /** @.. natspec style */
not possible, all comments must be single-line.

Answer(s): B

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