DEPTH DIVE

Ethereum smart contracts are written in which programming language?

• Rust

• Python

• Javascript

• Solidity

Which layer of the OSI model is responsible for end-to-end communication and error recovery?

• Transport Layer

• Network Layer

• Application Layer

• Physical Layer

What do we use to protect a file from being lost due to a sudden power outage

• Uninterruptible Power Supply

• Firewall

• Surge Protector

• Antivirus Software

To find the username of the current user in a Linux system, which command should be used?

• usermod

• passwd

• useradd

• whoami

In a computer network, what does the term 'firewall' refer to?

• A physical barrier for server protection

• A tool for data recovery

• A network security system that monitors and controls incoming and outgoing network traffic

• A software program that manages data traffic

What consensus algorithm does Dogecoin use?

• Proof of Stake (PoS)

• Proof of Work (PoW)

• Proof of Authority (PoA)

• Delegated Proof of Stake (DPoS)

Vijay is concerned about the security of his personal data on his laptop. Which software should he use to keep his information safe?

• Disk Cleanup

• Device Manager

• Encryption Software

• Disk Defragmenter

What command would you use to list all currently running processes in Linux?

• ps

• lsproc

• proc

• listproc

What technique is commonly used for handling missing data in a dataset?

• Removing rows with missing data

• Ignoring missing data during analysis

• Replacing missing values with the mean or median

• None of the above

Which protocol is used to find the hardware address of a local device?

• ICMP

• ARP

• RARP

• Ping