The internet and its uses

Topics

Choose a topic to revise

Sample objectives

What this unit covers

• The internet and the world wide web: Recognize the distinction between the internet and the world wide web, noting that the internet serves as the underlying infrastructure while the world wide web consists of the collection of websites and web pages accessed via the internet.
• The internet and the world wide web: Comprehend the concept of a uniform resource locator (URL), which is a text-based address for a web page that may include the protocol, domain name, and the specific web page or file name.
• D igital currency: Grasp the idea of digital currency and its applications. Note: Digital currency exists solely in electronic form.
• D igital currency: Comprehend the blockchain process and its role in monitoring digital currency transactions. Note: Blockchain is essentially a digital ledger consisting of an unchangeable sequence of time-stamped records.
• C yber security: Explain the various processes and objectives involved in addressing different types of cyber security threats, such as brute-force attacks, data interception, distributed denial of service (DDoS) attacks, hacking, and various forms of malware including viruses, worms, Trojan horses, spyware, adware, and ransomware, as well as pharming, phishing, and social engineering.
• C yber security: Discuss how different solutions are implemented to protect data from security threats, covering aspects such as access levels, anti-malware tools (including antivirus and antispyware), authentication methods (like usernames and passwords, biometrics, and two-step verification), the automation of software updates, the importance of checking spelling and tone in communications, verifying URLs, using firewalls, adjusting privacy settings, employing proxy servers, and implementing secure socket layer (SSL) security protocols.