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Exam CBSA topic 1 question 169 discussion

Actual exam question from Blockchain's CBSA
Question #: 169
Topic #: 1
[All CBSA Questions]

To interact with a deployed Ethereum Smart Contract, a user or app must:

  • A. Have a reference to the public address of the deployed Smart Contract
  • B. Have the appropriate permissions needed to invoke the functions of the Smart Contract
  • C. Have sufficient gas to perform read and write operations against the Smart Contract
  • D. All of the above
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Suggested Answer: A 🗳️
Reference:
https://ethereum.stackexchange.com/questions/25605/how-to-interact-with-a-deployed-smart-contract-in-the-real-world
by felixwcf at March 14, 2022, 10:40 a.m.

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felixwcf
3 months, 2 weeks ago
The answer IS D: 1. You can only call function of Smart Contract by referring its public address. If address is lost, this contract will remain existing orphan forever. 2. You must have specific "privilege" to access functions, some are only meant for contract owner. 3. You must have at least a certain amount of gas to perform transaction, in order to avoid DDoS and spam and wasteful calls.
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