Blockchain Scalability Challenges: Overcoming Transaction Volume Hurdles

Question 1

Which of the following limitations typically challenges blockchain networks facing high transaction volumes?

Accepted Answer

Limited throughput capacity

Answer

Latency issues

Answer

Insufficient security measures

Answer

High transaction fees

Question 2

Which of the following is NOT a consensus mechanism employed to achieve agreement within a blockchain network?

Accepted Answer

Majority voting

Answer

Proof-of-Work

Answer

Proof-of-Stake

Answer

Federated consensus

Question 3

What is the primary function of a blockchain node?

Accepted Answer

Storing and validating transactions

Answer

Broadcasting transactions to other nodes

Answer

Mining new blocks

Answer

Facilitating smart contract execution

Question 4

Which characteristic is distinctive to a permissioned blockchain?

Accepted Answer

Restricted access for participants

Answer

Higher transaction throughput

Answer

Enhanced security measures

Answer

Lower energy consumption

Question 5

How does a fork occur in a blockchain network?

Accepted Answer

When a group of nodes decides to create a separate blockchain

Answer

When two blocks are added to the blockchain simultaneously

Answer

When a majority of nodes reject a transaction

Answer

When a miner creates an invalid block

Question 6

Which metric is primarily used to measure the scalability of a blockchain network?

Accepted Answer

Transactions per second (TPS)

Answer

Block size

Answer

Number of nodes

Answer

Consensus mechanism

Question 7

Which fundamental challenge arises when blockchain networks experience a high volume of transactions?

Accepted Answer

Limited transaction capacity

Answer

Increased security vulnerabilities

Answer

Reduced transaction fees

Answer

Enhanced network decentralization

Question 8

Identify the scalability technique that involves dividing the blockchain into smaller, parallel chains.

Accepted Answer

Sharding

Answer

Plasma

Answer

Sidechains

Answer

Lightning Network

Question 9

Consider the potential trade-off that may occur when prioritizing blockchain throughput.

Accepted Answer

Reduced decentralization

Answer

Enhanced security

Answer

Lower transaction costs

Answer

Improved interoperability

Question 10

Identify the primary benefit of utilizing sidechains for blockchain scalability.

Accepted Answer

Increased transaction capacity

Answer

Enhanced security

Answer

Reduced transaction latency

Answer

Improved cross-chain communication

Question 11

Specify the main purpose of the Lightning Network in blockchain scalability.

Accepted Answer

Creating a network of off-chain payment channels

Answer

Increasing block size limits

Answer

Reducing transaction processing time

Answer

Enabling cross-chain interactions

Question 12

Define the term that describes the ability of blockchain networks to communicate and interact with each other.

Accepted Answer

Interoperability

Answer

Scalability

Answer

Efficiency

Answer

Security

Question 13

Which technology facilitates cross-chain communication and interoperability?

Accepted Answer

Cross-chain bridges

Answer

Atomic swaps

Answer

Smart contracts

Answer

Blockchain oracles

Question 14

Which technique enhances blockchain scalability by dividing the network into smaller, independent sub-networks?

Accepted Answer

Sharding

Answer

Off-chaining

Answer

Channel partitioning

Question 15

Which type of scaling solution aims to increase block size to accommodate more transactions?

Accepted Answer

On-chain scaling

Answer

Cross-chain scaling

Answer

Hybrid scaling

Answer

Off-chain scaling

Question 16

Which of the following is the primary challenge associated with sharding?

Accepted Answer

Data availability and consistency across shards

Answer

Smart contract complexity

Answer

Network congestion

Answer

Increased transaction fees

Question 17

In the context of blockchain scalability, what does the term 'transaction throughput' refer to?

Accepted Answer

The number of transactions processed by the network per unit of time

Answer

The size of individual transactions

Answer

The time it takes to confirm a transaction

Question 18

Which layer in the blockchain architecture is primarily responsible for scalability and performance optimization?

Accepted Answer

Layer 2

Answer

Layer 4

Answer

Layer 1

Answer

Layer 3

Question 19

What is the main advantage of using sidechains as an off-chain scaling solution?

Accepted Answer

They provide a separate execution environment, reducing congestion on the main blockchain.

Answer

They automatically scale the blockchain network based on demand.

Question 20

Which of the following is a trade-off associated with implementing scalability solutions?

Accepted Answer

Increased network complexity and potential security risks

Answer

Reduced transaction fees and faster confirmation times

Answer

Enhanced privacy and anonymity

Question 21

What is the primary goal of a Lightning Network in the context of blockchain scalability?

Accepted Answer

To establish off-chain payment channels between nodes, enabling fast and low-cost transactions.

Answer

To implement a new consensus algorithm that is more scalable

Answer

To increase the block size and reduce confirmation times

Question 22

Which of the following is a potential downside of using sharding as a scalability solution for blockchain networks?

Accepted Answer

Increased latency and potential for data fragmentation

Answer

Improved security and immutability

Answer

Reduced transaction fees and faster confirmation times