A cryptocurrency is a digital or virtual currency that is secured by cryptography, which makes it nearly impossible to counterfeit or double-spend.
What is Cryptocurrency and Blockchain:
A cryptocurrency is a digital or virtual currency that is secured by cryptography, which makes itnearly impossible to counterfeit or double-spend. Many cryptocurrencies are decentralized networksbased on blockchain technology—a distributed ledger enforced by a disparate network of computers.
Certification Answers are below:
- The five elements of blockchain are distribution, encryption, immutability, tokenization and:
Transparency
Authorization
Efficiency
Decentralization
2. What can an IT leader use enterprise blockchain for?
Streamline supply chains
Improve financial transactions
Provide identity management
All of the above
3. True or false: Smart contracts are legally binding contracts.
True
False
4. What are some of the advantages of implementing enterprise blockchain?
Reduce IT costs
Expand business-to-business and business-to-consumer networks
Enable new products
All of the above
5. True or false: A user can alter data on a blockchain.
True
False
6. What feature about enterprise blockchain is accurate?
Lowers transactional settlement times
7. Has trust problems
Requires no change management
Is energy efficient
8. What is one of the challenges of permissioned, also known as private or enterprise,blockchain?
Speed
Auditability
Security
Access control
9. What areas of cybersecurity does blockchain have the potential to improve?
Building security
Payment history
Password complexity
Resilience
10. Blockchain has the potential to support the following enterprise goals except:
Uncover insights using data
Address a skills gap
Promote traceability
Boost personal communication between suppliers and producers
11. What are essential skills a blockchain developer should have?
Official asset registry, voting facilitation, back-office functions
Familiarity of blockchain architecture, foundation in cryptography, proficiency in commonprogramming languages
Foundation in data structures, web development, understanding of smart contracts
Both B and C
12. What does P2P stand for?
Password to Password
Peer to Peer
Product to Product
Private Key to Public Key
13. What is a node?
A type of cryptocurrency
A Blockchain
14. A computer on a Blockchain network
An exchange
Who created Bitcoin?
Satoshi Nakamoto
Samsung
John Mcafee
China
15. Where do you store your cryptocurrency?
Bank account
Cloud
Wallet
In your pocket
16. What is a miner?
A type of blockchain
An algorithm that predicts the next part of the chain
A person doing calculations to verify a transaction
Computers that validate and process blockchain transactions
