Internet And Security Pre-test

Two-factor authentication (2FA) adds an extra layer of security to the login process by requiring users to provide two forms of verification before gaining access to their accounts. This typically involves something the user knows (such as a password) and something the user possesses (such as a mobile device or security token). 2FA helps enhance security and reduce the risk of unauthorized access, even if passwords are compromised.

Using a combination of uppercase and lowercase letters, numbers, and special characters. A strong password should be complex and difficult for others to guess or crack. It should include a mix of uppercase and lowercase letters, numbers, and special characters. Avoid using easily guessable information such as your name, birthdate, or common words. Additionally, it's crucial to use a unique password for each account to enhance security and minimize the risk of unauthorized access.

The statement "The Internet is a network of networks that spans the entire world" is true. The Internet is a global system of interconnected computer networks that allows communication and information sharing across the world. It consists of millions of private, public, academic, business, and government networks, all linked together to provide various services such as email, web browsing, file sharing, and online gaming. The Internet has no central governing body and is constantly expanding and evolving to connect more devices and networks globally.

Fiber optic cables use light signals to send and receive data. This is because these cables are made up of thin strands of glass or plastic that transmit data using pulses of light. These light signals travel at a very high speed, allowing for fast and efficient data transmission. Unlike traditional copper cables, fiber optic cables are not affected by electromagnetic interference, making them ideal for long-distance communication and high-speed internet connections.

A Virtual Private Network (VPN) creates a secure and encrypted connection over the internet, allowing users to browse the web anonymously and securely. By encrypting data transmitted between the user's device and the VPN server, VPNs help protect sensitive information from being intercepted by hackers, government surveillance, or other unauthorized parties. VPNs are commonly used to safeguard online privacy, bypass geo-restrictions, and access restricted content.

Phishing is a cybercrime technique used by attackers to deceive individuals into providing sensitive information such as usernames, passwords, credit card numbers, or other personal data. This is typically done by sending deceptive emails, text messages, or instant messages that appear to be from legitimate organizations or individuals. Phishing attacks often use social engineering tactics to trick recipients into disclosing confidential information, which can then be used for identity theft, financial fraud, or other malicious purposes. It's essential to remain vigilant and cautious when interacting with unsolicited messages or requests for personal information to avoid falling victim to phishing scams.

Sally would need a wireless router to enable wireless internet in her home. A modem is used to connect to the internet, but it does not provide wireless connectivity. A wireless receiver is used to receive wireless signals, but it does not create a wireless network. A wireless server is not a commonly used term and may not exist as a standalone device. A wireless router, on the other hand, connects to the modem and creates a wireless network, allowing multiple devices to connect to the internet wirelessly.

Bluetooth is not a type of internet connection. It is a wireless technology that allows devices to connect and communicate with each other over short distances. While Bluetooth can be used to connect devices to the internet indirectly (e.g., by connecting a Bluetooth-enabled device to a smartphone with internet access), it is not a direct form of internet connection. Bluetooth technology operates on radio waves and is primarily used for connecting devices such as smartphones, laptops, and speakers.

Antivirus software is designed to detect, prevent, and remove various types of malicious software, including viruses, worms, Trojans, spyware, and ransomware. It continuously monitors computer systems for suspicious activity and scans files, emails, and web pages for potential threats. By identifying and neutralizing malware, antivirus software helps protect users' devices and data from cyberattacks and unauthorized access.

WEP stands for Wired Equivalent Privacy in terms of network security. WEP was introduced as a security protocol for wireless networks to provide a level of privacy and protection similar to that of a wired network. However, over time, WEP has been found to have significant vulnerabilities and is no longer considered secure.