logo

Unit study hub

Networks and the effects of using them

Syllabus section 4: Networks and the effects of using them.

At a glance

2

Topics

2

Objectives

0417

Spec

Information and Communication Technology

Subject

CambridgeIGCSEInformation and Communication Technology0417

Topics

Choose a topic to revise

Sample objectives

What this unit covers

  • Networks continued: Students should comprehend the following aspects of networks: The function and role of a router, which includes connecting networks and devices to the internet, storing computer addresses, and routing data packets. Familiarity with common network devices such as network interface cards (NIC), hubs, bridges, switches, as well as the uses of wi-fi and Bluetooth. Understanding how to connect a device to a network via wi-fi and Bluetooth, and recognizing the similarities and differences between these two technologies. Knowledge of cloud computing, including its characteristics, applications, and associated issues, as well as how data is stored, managed, and shared in the cloud, along with the pros and cons of cloud storage compared to other storage methods. Awareness of common network environments, including the characteristics, uses, and purposes of extranets, intranets, and the internet, and the distinctions and similarities among them. Understanding different types of networks, specifically Local Area Network (LAN), Wireless Local Area Network (WLAN), and Wide Area Network (WAN), along with the differences between these network types.
  • Network issues and communication: Students should be able to understand and explain network-related issues and communication aspects, including: security concerns related to data transfer, the importance of privacy and confidentiality in data transfer, the role of passwords and methods to prevent password interception through updated anti-spyware and regular password changes, the distinctions between strong and weak passwords, various authentication techniques such as zero login, biometric systems, magnetic stripes, smart cards, physical tokens, and electronic tokens, the function of anti-malware software including the removal or quarantine of viruses with current software, the necessity of scanning storage media for data transfer, and the scanning of data or software during downloads. Additionally, students should be familiar with electronic conferencing, including the features, applications, benefits, and drawbacks of video, audio, and web conferencing, as well as the necessary hardware, software, and network connections for each type of electronic conference.