Internet and Its Uses Quiz

True (A)

Do not click on any email links unless certain that they are safe.

<p>confidential</p> Signup and view all the answers

<p>HTTPS = Indicates a secure connection Anti-phishing toolbars = Alerts users of malicious websites Reputable ISP = Provides reliable internet connectivity Pop-up blockers = Prevents unwanted advertisements</p> Signup and view all the answers

<p>To identify when an event takes place (B)</p> Signup and view all the answers

<p>False (B)</p> Signup and view all the answers

<p>Proof of Work</p> Signup and view all the answers

<p>Genesis</p> Signup and view all the answers

<p>Timestamp = Indicates when an event occurs Proof of Work = Protocol for adding blocks by solving problems Mining = The process of solving mathematical problems P2P Network = A decentralized group of connected devices</p> Signup and view all the answers

<p>The internet is the infrastructure that connects networks, while the World Wide Web is a service that provides access to webpages. (C)</p> Signup and view all the answers

<p>True (A)</p> Signup and view all the answers

<p>HTTPS</p> Signup and view all the answers

<p>IP address</p> Signup and view all the answers

<p>HTTP = Unsecure data transfer HTTPS = Secure data transfer URL = Address of a resource Cookie = Data stored on a user's computer</p> Signup and view all the answers

<p>It is secured by cryptography. (B)</p> Signup and view all the answers

<p>True (A)</p> Signup and view all the answers

<p>Cryptocurrency</p> Signup and view all the answers

<p>blocks</p> Signup and view all the answers

<p>The hash will change, triggering an alarm. (B)</p> Signup and view all the answers

<p>Data in the block = Amount of money transferred Hash value = Unique value created for each block Previous hash value = Points to the prior block in the chain Block = Collection of transaction information</p> Signup and view all the answers

<p>False (B)</p> Signup and view all the answers

<p>ATM</p> Signup and view all the answers

<p>To detect and remove security threats (A)</p> Signup and view all the answers

<p>True (A)</p> Signup and view all the answers

<p>Username and password, Two-factor authentication</p> Signup and view all the answers

<p>secure</p> Signup and view all the answers

<p>Improves computer performance (A)</p> Signup and view all the answers

<p>Username and Password = Most common authentication mechanism Two-Factor Authentication = Requires two separate forms of identification Biometrics = Uses physical characteristics for verification Password Encryption = Stores passwords securely</p> Signup and view all the answers

<p>code</p> Signup and view all the answers

<p>Lock the user out</p> Signup and view all the answers

<p>Block unauthorized access (D)</p> Signup and view all the answers

<p>True (A)</p> Signup and view all the answers

<p>Backup</p> Signup and view all the answers

<p>Water</p> Signup and view all the answers

<p>Backup = Data is accidentally deleted UPS = Power surge/loss Fireproof box = Fire can destroy device Waterproof box = Water can be spilled on the device</p> Signup and view all the answers

<p>It allows secure data transmission over the internet. (D)</p> Signup and view all the answers

<p>True (A)</p> Signup and view all the answers

<p>UPS (Uninterruptible Power Supply)</p> Signup and view all the answers

A global network of networks that connects billions of computers and devices.

A service accessed through the internet, enabling users to view web pages.

An address that uniquely identifies a specific web page or resource on the web.

A computer that stores and delivers web pages to users upon request.

A document on the World Wide Web that can contain text, images, and other media.

A timestamp in a block of data records the time of its creation, crucial for identifying when an event occurred.

The first block in a blockchain; it doesn't link to a previous block.

A decentralized network of computers (nodes) sharing data, where each node acts like a server.

A protocol where network participants (miners) solve complex math problems to add new blocks to the blockchain.

A step-by-step process involving request, broadcasting, validation, addition to blockchain; a permanent record.

A cyberattack where a malicious actor alters DNS records on a server, redirecting users to fake websites.

A type of online fraud where attackers use deceptive emails and websites to trick users into revealing personal information, like passwords or credit card details.

A technique used by attackers to manipulate people into providing confidential information or performing actions that can be misused for malicious purposes.

A secure protocol used for communication over the internet, encrypting data sent between a website and the user's browser.

Always verify the legitimacy of emails and websites, never click suspicious links, and use anti-phishing tools to detect malicious websites.

Any form of payment existing only electronically, not physically tangible like cash. It's handled and transferred through online systems.

A type of digital currency secured by cryptography. Usually decentralized and not controlled by a central bank.

A decentralized database storing all transactions of networked members. It's a digital ledger that's spread across many computers.

A group of transactions in a blockchain. Each block contains the transaction data, and links to the previous block.

A unique code for each block, acting as a fingerprint. It's calculated using an algorithm.

A database not controlled by a single entity. Instead, the data is distributed among multiple computers within a network.

Temporary cookies used to store information about online shopping sessions, like items in a shopping cart.

Links a block to the previous block in the chain .

Software designed to detect and remove malicious programs like viruses, spyware, and ransomware from a computer system.

A specific type of anti-malware software that specifically targets spyware aiming to steal personal information.

The process of verifying a user's identity, ensuring they are who they claim to be.

The most common authentication method, where a unique username and a secret password are used to verify a user's identity.

A more secure authentication method that requires two separate forms of identification, for example, a password and a code sent to a mobile device.

The process of transforming data into an unreadable format, protecting it from unauthorized access.

A type of spyware that records every keystroke a user makes, potentially stealing passwords and sensitive information.

Anti-malware features that prevent unauthorized access to a user's webcam and microphone.

A server that acts as an intermediary between your computer and the internet, hiding your network from direct exposure and offering security features like filtering and caching.

A temporary storage space within a proxy server that holds frequently accessed web pages, allowing for faster retrieval and reduced load on the web server.

When data is unintentionally removed from storage, often due to misclicks, accidental formatting, or software errors.

Creating a duplicate copy of your data stored in a separate location, facilitating recovery in case of accidental data loss or hardware failure.

Physical damage or malfunction of a device, impacting access to stored data. Causes include power surges, physical impact, or component failure.

A set of established rules and procedures that define how data is exchanged between computers or devices on a network.

A protocol that encrypts data transmitted over the internet, ensuring secure and confidential communication between your computer and a website.

An attack that overwhelms a server with excessive requests, making it unable to respond to legitimate users and effectively denying service.