<html> <p><strong>1.</strong> <strong>Blockchain technology in its current stage cannot set off a massive restructuring of communications and transactions in any industry why? </strong> </p> <p>(i) Scalability issue facing by Blockchain technology </p> <p>(ii) Cannot securely handle the volume of financial transactions that can occur on centralised payment system like VISA </p> <p>(iii) High transactional institutions did not feel the necessity of decentralization </p> <p>(iv) Existing Blockchain system have often sacrificed security </p> <p><strong>A.</strong> i, ii, iii <strong>B.</strong> i, ii, iv <strong>C.</strong> ii, iii, iv <strong>D.</strong> i, iv, iii <strong>E.</strong> i, ii, iii, iv </p> <p><strong>2.</strong> <strong>Which of the following statements represent real</strong> <strong>vision of QuarkChain</strong> </p> <p><strong>A.</strong> Create unique scalability problem that can handle 10000 transactions per second (tps) </p> <p><strong>B.</strong> Create centralised high throughput network that can handle billions of transactions per second </p> <p><strong>C.</strong> Create unique scalability problem that can handle 100,000tps without sacrificing its core feature of security and decentralisation </p> <p><strong>3.</strong> <strong>Three main challenges of block chain are</strong> </p> <p><strong>A.</strong> Communication, Decentralisation, Scalability </p> <p><strong>B.</strong> Security, Communication, Decentralisation </p> <p><strong>C.</strong> Scalability, Decentralisation and Security </p> <p><strong>4.</strong> <strong>To some extent scalability issues can be resolved with multiple Blockchains. The issues concerned with the Multiple Blockchains are</strong> </p> <p><strong>A.</strong> Higher transactional demand, lower hash power, low security, short-term solution </p> <p><strong>B.</strong> High Transactional demand, low hash power, low security, long-term solution </p> <p><strong>C.</strong> Low transactional demand, Excess cross chain transactions, low security, short-term solution </p> <p><strong>D.</strong> Lower transactional demand, limit cross chain transactions, short-term solution </p> <p><strong>5.</strong> <strong>Which of the following concept QuarkChain adopts to resolve the issues of scalability</strong> </p> <p><strong>A.</strong> Multiple Block Chains </p> <p><strong>B.</strong> Sharding </p> <p><strong>C.</strong> Lightening Network </p> <p><strong>6.</strong> <strong>Which of the following definitions aptly suits the term βShardingβ</strong> </p> <p><strong>A.</strong> Partitioning data in a large database into smaller parts </p> <p><strong>B.</strong> Combining bits of data into large database </p> <p><strong>C.</strong> Independent large database servers </p> <p><strong>7.</strong> <strong>How is QuarkChain different from competitors in implementing the concept of sharding</strong> </p> <p>(i) Cross-Shard transactions </p> <p>(ii) Having multiple accounts to make transactions </p> <p>(iii) Simple Account management with single private key to make transactions </p> <p><strong>A.</strong> i, ii <strong>B.</strong> ii, iii <strong>C.</strong> i, iii <strong>D.</strong> All of the above </p> <p><strong>8.</strong> <strong>QuarkChain network is a ____________ layered Blockchain.</strong> </p> <p><strong>A.</strong> One <strong>B.</strong> Two <strong>C.</strong> Three <strong>D.</strong> Four </p> <p><strong>9.</strong> <strong>In QuarkChain architecture shards are </strong> </p> <p><strong>A.</strong> Minor Blockchains </p> <p><strong>B.</strong> Major Blockchain </p> <p><strong>C.</strong> Root Blockchain </p> <p><strong>10.</strong> <strong>Function of Shards in QuarkChain architecture</strong> </p> <p><strong>A.</strong> Processes a subset of all transactions </p> <p><strong>B.</strong> Rejects a subset of all transactions </p> <p><strong>C.</strong> Confirms all transactions </p> <p><strong>11.</strong> <strong>Function of Root Blockchain in QuarkChain architecture</strong> </p> <p><strong>A.</strong> Processes a subset of all transactions </p> <p><strong>B.</strong> Confirms blocks in all shards by excluding the block headers in the root blocks </p> <p><strong>C.</strong> Confirms blocks in all shards by including the block headers in the root blocks </p> <p><strong>12. What is the interval of Rootchain layer</strong> </p> <p><strong>A.</strong> Seconds <strong>B.</strong> Minutes <strong>C.</strong> Hours </p> <p><strong>13.</strong> <strong>What is the interval of Sharding layer</strong> </p> <p><strong>A.</strong> Seconds <strong>B.</strong> Minutes <strong>C.</strong> Hours </p> <p><strong>14.</strong> <strong>Which of the following statement is true about QuarkChain network</strong> </p> <p><strong>A.</strong> Each shard processes a subset of all transactions by depending on another shard </p> <p><strong>B.</strong> As system capacity increases number of shards decreases </p> <p><strong>C.</strong> Each shard processes a subset of all transactions independently </p> <p><strong>15.</strong> <strong>Which of the following statements are false</strong> </p> <p><strong>A.</strong> Each shard processes a subset of all transactions independently </p> <p><strong>B.</strong> A number of shards increases, shards can process less transactions concurrently </p> <p><strong>C.</strong> As system capacity increases number of shards increases </p> <p><strong>D.</strong> Adding more shards is difficult and slow </p> <p><strong>16.</strong> <strong>As shards are mined evenly and thus the system throughput (i.e TPS) _______ as the number of shards ______________</strong> </p> <p><strong>A.</strong> Increases, Decreases </p> <p><strong>B.</strong> Increases, Increases </p> <p><strong>C.</strong> Decreases, Increases </p> <p><strong>D.</strong> Decreases, Decreases </p> <p><strong>17.</strong> <strong>Rootchain has a significant large portion ____________ of hash power over the whole hash power of the network.</strong> </p> <p><strong>A.</strong> Over 10% <strong>B.</strong> over 25% <strong>C.</strong> over 50% </p> <p><strong>19.</strong> <strong>Which blocks have sufficiently large incentives and difficulty to protect the blocks in all shards</strong> </p> <p><strong>A.</strong> Root Block <strong>B.</strong> Minor Block <strong>C.</strong> None </p> <p><strong>19. The root chain runs on __________ algorithm.</strong> </p> <p><strong>A.</strong> POW Algorithm <strong>B.</strong> POS Algorithm <strong>C.</strong> Both A & B <strong>D.</strong> None </p> <p><strong>20.</strong> <strong>When two forks happen on rootchain the fork with _______ will survive.</strong> </p> <p><strong>A.</strong> Shortest length <strong>B.</strong> Longest length <strong>C.</strong> Both A& B <strong>D.</strong> None </p> <p><strong>Note: QuarkChain Quiz 2 will be released. Answers will be released stay tuned. Please upvote!!! @quarkchain</strong></p> </html>
author | davidvidyasagar |
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permlink | quarkchain-quiz-1-take-sometime-to-test-yourself-about-the-quarkchain-project-all-questions-are-based-on-quarkchain-whitepaper |
category | cryptocurrency |
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It is useful. Thank you. I will try this test.
author | butchimau.bmt |
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Thank You.. Please find answers in the below comment.
author | davidvidyasagar |
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permlink | re-butchimaubmt-re-davidvidyasagar-quarkchain-quiz-1-take-sometime-to-test-yourself-about-the-quarkchain-project-all-questions-are-based-on-quarkchain-whitepaper-20180521t173502819z |
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are the answers absolutly correct?
author | babyshaq21 |
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Answers for Quiz1: 1. B 2. C 3. C 4. D 5. B 6. A 7. C 8. B 9. A 10. A 11. C 12. B 13. A 14. C 15. B,D 16. B 17. C 18. A 19. A 20. B
author | davidvidyasagar |
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permlink | re-davidvidyasagar-quarkchain-quiz-1-take-sometime-to-test-yourself-about-the-quarkchain-project-all-questions-are-based-on-quarkchain-whitepaper-20180521t173425272z |
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C. Create unique scalability problem that can handle 100,000tps without sacrificing its core feature of security and decentralisation ? Maybe SOLVE not CREATE?
author | qwakus |
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Yeah... Solve
author | davidvidyasagar |
---|---|
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Thanks for this support...
author | deepdog |
---|---|
permlink | re-davidvidyasagar-quarkchain-quiz-1-take-sometime-to-test-yourself-about-the-quarkchain-project-all-questions-are-based-on-quarkchain-whitepaper-20180521t232156454z |
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Most Welcome!!!
author | davidvidyasagar |
---|---|
permlink | re-deepdog-re-davidvidyasagar-quarkchain-quiz-1-take-sometime-to-test-yourself-about-the-quarkchain-project-all-questions-are-based-on-quarkchain-whitepaper-20180522t015311089z |
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