Quiz: Building Decentralized Applications (DApps)

Question 1: What is a decentralized application (DApp)?

A. An application that runs on a centralized server B. An application that runs on a peer-to-peer blockchain network C. A mobile application D. A desktop application

Question 2: Which of the following is a core trait of a truly decentralized DApp?

A. Closed-source code B. Centralized back end C. Trustless and permissionless interaction D. Reliance on traditional databases

Question 3: What ensures transparency in a DApp?

A. Open-source code B. Proprietary code C. Centralized control D. Encrypted databases

Question 4: How do DApps execute transactions and enforce rules?

A. Through centralized servers B. Via manual intervention C. Using smart contracts deployed on a blockchain D. Through traditional databases

Question 5: What is a key benefit of decentralized storage in DApps?

A. Faster data retrieval B. Reduced costs C. Simplified development D. Elimination of centralized points of failure

Question 6: Which of the following is an example of a decentralized storage solution?

A. Amazon Web Services (AWS) B. InterPlanetary File System (IPFS) C. Google Cloud D. Microsoft Azure

Question 7: What does "trustless" mean in the context of DApps?

A. Users can interact without trusting a third party B. Users cannot trust the application C. Users must trust a central authority D. The application lacks security

Question 8: Which of the following is a real-world use case of DApps?

A. Centralized banking B. Traditional social media C. E-commerce platforms D. Decentralized finance (DeFi)

Question 9: How do DApps differ from traditional applications in terms of control?

A. DApps are controlled by a single entity B. DApps are managed by government agencies C. DApps operate autonomously without central control D. DApps require manual oversight

Question 10: What role do smart contracts play in DApps?

A. They handle backend logic and enforce rules B. They serve as the user interface C. They store user data D. They provide customer support