Ethereum Node Management Tools Quiz

1. What is the primary function of an Ethereum node?

• To manage user accounts in Ethereum wallets.
• To store and validate transactions on the Ethereum network.
• To generate smart contracts automatically.
• To create new Ethereum clients for developers.

2. What is the difference between a full node and a lightweight node?

• A full node creates new transactions, while a lightweight node does not participate in the network.
• A full node only validates transactions, while a lightweight node stores all blockchain data.
• A full node connects to other users, while a lightweight node operates independently without network connections.
• A full node stores the complete history of all transactions, while a lightweight node verifies transactions by piggybacking on the work of full nodes.

3. What is the purpose of a Merkle node in Ethereum?

• To ensure smart contracts execute efficiently on the network.
• To help the network restore itself to its last valid block through Merkle tree roots.
• To manage user accounts and wallet functionalities in transactions.
• To store and serve user-generated data on the Ethereum blockchain.

4. How do miners secure the Ethereum network?

• By creating new wallets for each miner.
• Through automated trading systems to increase profits.
• Through incentivization, where miners receive currency for securing the network.
• By centralizing control over the entire network.

5. What is the role of miners in a blockchain network?

• Miners store user data and manage account balances in a blockchain network.
• Miners design network protocols and set rules for transaction fees in a blockchain network.
• Miners act as computers that validate transactions and add them to the blockchain, ensuring the integrity of the network.
• Miners create and control smart contracts on the blockchain.

6. What is the function of a beacon node in Ethereum?

• To participate in the consensus process by proposing and attesting to blocks.
• To store the transaction history on the blockchain.
• To execute smart contracts directly on the network.
• To manage user wallets and private keys efficiently.

7. What is the purpose of a validator client in Ethereum?

• To create smart contracts and manage their executions.
• To manage validator keys and propose and attest to blocks.
• To store all transactions permanently on the blockchain.
• To provide access to the Ethereum network through a user interface.

8. What is the difference between an execution client and a consensus client?

• An execution client connects users to the blockchain, while a consensus client executes smart contracts.
• An execution client manages validator keys, while a consensus client stores all historical transactions.
• An execution client executes transactions in the EVM and holds the latest state and database of all Ethereum data, while a consensus client participates in the consensus process.
• An execution client validates cryptographic signatures, while a consensus client handles user authentication.

9. What is Go Ethereum (Geth)?

• Go Ethereum (Geth) is a graphical interface for creating smart contracts.
• Go Ethereum (Geth) is the official Golang implementation of the Ethereum protocol and the most popular Ethereum client.
• Go Ethereum (Geth) is a hardware wallet for storing Ethereum securely.
• Go Ethereum (Geth) is a mobile application for trading cryptocurrencies.

10. What is Hyperledger Besu?

• Hyperledger Besu is an Ethereum wallet for storing cryptocurrency.
• Hyperledger Besu is an open-source Ethereum client developed with Java and operates on both public and private networks.
• Hyperledger Besu is a mining software used for mining Ethereum.
• Hyperledger Besu is a blockchain protocol designed exclusively for private companies.

11. What is Nethermind?

• Nethermind is a smart contract development framework for Ethereum.
• Nethermind is a decentralized application for trading cryptocurrencies.
• Nethermind is a hardware wallet for storing Ethereum securely.
• Nethermind is an open-source Ethereum client licensed under the LGPL-3.0 and written in the C# .NET tech stack.

12. What is Nimbus?

• Nimbus is an Ethereum consensus client designed to efficiently use resources, enabling high-performance operation on lightweight devices.
• Nimbus is a cryptocurrency wallet specializing in secure storage solutions.
• Nimbus is a blockchain service for creating smart contracts on multiple platforms.
• Nimbus is a decentralized exchange focused on trading Ethereum-based tokens.

13. What is Teku?

• Teku is a mobile application for managing Ethereum wallets.
• Teku is a type of decentralized exchange for trading cryptocurrencies.
• Teku is an Ethereum-based game that allows players to earn tokens.
• Teku is an open-source Ethereum consensus client written in Java containing full beacon node implementation and a validator client.

14. What is the purpose of EthPillar?

• EthPillar is a wallet application for securely storing Ethereum assets.
• EthPillar is a decentralized exchange for trading Ethereum tokens.
• EthPillar is a tool for deploying and managing Ethereum nodes, including setting up validator clients and managing failover staking nodes.
• EthPillar is a library for optimizing transaction gas fees on Ethereum.

15. How do you connect to an Ethereum node?

• You can connect using POP3, IMAP, or VPN.
• You can connect to an Ethereum node using WS-RPC, JSON-RPC, or IPC-RPC.
• You can connect using FTP, SSH, or SMTP.
• You can connect using USB, HDMI, or Bluetooth.

16. What is the function of a JSON-RPC API in Ethereum?

• The JSON-RPC API provides a standardized interface for interacting with Ethereum nodes, allowing developers to execute commands and retrieve data.
• The JSON-RPC API is used for creating user interfaces for Ethereum wallets without any command execution.
• The JSON-RPC API is responsible for initiating smart contracts based on user preferences.
• The JSON-RPC API acts solely as a data storage mechanism for Ethereum transactions.

17. What is the purpose of a command-line interface (CLI) in Ethereum?

• The CLI provides a user-friendly interface for running, maintaining, debugging, and monitoring Ethereum nodes.
• The CLI is primarily for trading Ethereum in exchanges.
• The CLI is used for creating smart contracts on Ethereum.
• The CLI serves as a wallet to store Ethereum tokens.

18. What is the role of a Prometheus/Grafana dashboard in Ethereum?

• The dashboard serves as a wallet for storing Ethereum cryptocurrency.
• The dashboard generates smart contracts for Ethereum applications.
• The dashboard creates new Ethereum tokens for blockchain projects.
• The dashboard provides monitoring and analytics tools to track the performance and health of Ethereum nodes.

19. How do you deploy a full node using Geth?

• You can deploy a full node by using a local file storage and manually modifying configuration files.
• You can deploy a full node using an SQL database and connecting through an API.
• You can deploy a full node by programming it in Python and using a web server.
• You can deploy a full node using Geth by installing it with a package manager, running it as a Docker container, or constructing it from scratch.

20. What is the purpose of a failover staking node in Ethereum?

• A failover staking node optimizes transaction speed by reducing latency across the network.
• A failover staking node increases the gas fees for Ethereum transactions to improve security.
• A failover staking node functions as a mining rig to generate new Ether continuously.
• A failover staking node provides high availability by running two or more nodes on separate machines, ensuring continuous operation in case one node fails.

21. How do you configure a Nimbus validator client?

• You configure a Nimbus validator client by connecting it to the Bitcoin network instead of Ethereum.
• You configure a Nimbus validator client by using only graphical user interface tools without any coding.
• You configure a Nimbus validator client by editing the validator client configuration and setting up beacon nodes and validator keys.
• You configure a Nimbus validator client by writing a blockchain from scratch and deploying it manually.

22. What is the purpose of a port checker in EthPillar?

• The port checker in EthPillar speeds up transaction processing by prioritizing certain network connections.
• The port checker in EthPillar helps identify common issues preventing the node from optimal performance by checking port availability.
• The port checker in EthPillar creates new Ethereum tokens for network users to trade.
• The port checker in EthPillar encrypts data to secure transactions and user information.

23. What is the purpose of automated system benchmarking in EthPillar?

• Automated system benchmarking in EthPillar is used to build user interfaces for applications.
• Automated system benchmarking in EthPillar helps discover common issues by running automated tests to assess the node`s performance.
• Automated system benchmarking in EthPillar serves to encrypt sensitive transactions on the network.
• Automated system benchmarking in EthPillar is aimed at creating new Ethereum nodes automatically.

24. How do you deploy a Solo Staking Node using EthPillar?

• You configure a Solo Staking Node by compiling the source code and connecting to a pool.
• You launch a Solo Staking Node by downloading the Ethereum blockchain and running it locally.
• You deploy a Solo Staking Node using EthPillar by navigating to the relevant configuration options and setting up the necessary validator keys and nodes.
• You set up a Solo Staking Node by using a web interface to create smart contracts on the network.

25. What is the purpose of a Lido CSM Staking Node in Ethereum?

• A Lido CSM Staking Node is a server only for transaction processing on the Ethereum network.
• A Lido CSM Staking Node is a mining rig for generating new Ether in the Ethereum blockchain.
• A Lido CSM Staking Node is a type of staking node that integrates with Lido`s decentralized staking service, providing a secure and efficient way to stake Ether.
• A Lido CSM Staking Node is used exclusively for developing decentralized applications in Ethereum.

26. How do you recover an Ethereum account with no private key?

• Use the 12-word mnemonic phrase set during account creation.
• Contact a friend who has your wallet address for recovery.
• Reset your email password linked to your Ethereum account for access.
• Submit a ticket to Ethereum support for account recovery.

27. What is the purpose of a JSON-RPC gateway in Ethereum?

• The JSON-RPC gateway allows running multiple Ethereum nodes for redundancy and load-balancing purposes, providing a centralized interface to manage multiple nodes.
• The JSON-RPC gateway enhances the speed of transaction execution on the Ethereum network.
• The JSON-RPC gateway is used to create and deploy smart contracts directly on the Ethereum blockchain.
• The JSON-RPC gateway generates unique wallet addresses for Ethereum users automatically.

28. What is the purpose of Eventeum in Ethereum?

• Eventeum is a client for running Ethereum nodes without a blockchain.
• Eventeum is a tool for mining Ethereum more efficiently and rapidly.
• Eventeum is a bridge between Ethereum smart contract events and backend microservices.
• Eventeum is a wallet application for managing Ethereum assets securely.

29. What is the purpose of Marmo in Ethereum?

• Marmo is a consensus algorithm for securing Ethereum transactions.
• Marmo is a set of SDKs for simplifying interactions with Ethereum, using relayers to offload transaction costs and improve efficiency.
• Marmo is an Ethereum mining pool that maximizes hash power.
• Marmo is a type of Ethereum wallet for storing cryptocurrencies.

30. What is the purpose of Watchdata in Ethereum?

• Watchdata is an Ethereum mining pool for high rewards.
• Watchdata is a user interface for Ethereum trading platforms.
• Watchdata provides simple and reliable API access to the Ethereum blockchain.
• Watchdata offers tools for creating Ethereum smart contracts.