NETWORKS AND THE EFFECTS OF USING THEM (Work Sheet)

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Arnold Murphy
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1 NETWORKS AND THE EFFECTS OF USING THEM (Work Sheet) 1. An organization is planning to train all staff online rather than video-conference. Describe what is meant by a web conference. 2. Explain the differences between video and web conferencing. 3. The manager of a large company wants to replace the company s cabled LAN with a WLAN. Describe the features of a WLAN.

2 4. Tick the most appropriate type of network. 5. A company used to have video conferences with its suppliers, but due to technical problems they are considering running an audio conference. Describe the advantages of using audio conferencing rather than video conferencing. 6.

3 7. 8. Describe three potential problems of using video conferencing rather than meeting personally. 9. Tick whether the following statements would apply to a LAN, a WAN or a WLAN.

4 10. Complete the sentences. (a) A network device which broadcasts data passing through it is called (b) A network device that connects a LAN with the internet is called (c) A network device that connects a LAN to another LAN using the same protocol is called (d) A network device that learns which devices are connected to which ports is called 11. A new employee of a company is required to log on to the company s computer system and will need to create a suitable password. Give three rules that the company would have in place, to help the employee choose a password. 12. A person changes his password to R4hB5&Fg1. Explain why he has chosen this password.

5 13. Many people think there should be greater control of the use of the internet. Describe the advantages and disadvantages of policing the internet. 14. Write true or false 15. Bluetooth and Wi-Fi can connect devices together. Discuss the advantages and disadvantages of using Bluetooth or Wi-Fi.

6 16. Write true or false. 17. There are several ways in which members of an organization can organize meetings. These include video-, audio- or web-conferencing. (a) An organization is planning an important meeting with the Directors of the three main offices. They are going to set up an audio-conference. Describe the process of setting up this type of conference.

7 18. The organization has a computer network which is connected to the internet. The router contains a firewall. Explain why a firewall is needed. 19. A router is connected to a LAN. Describe the function of a router. 20. There are a number of different network devices associated with computers. Give the most appropriate type of communication device that fits the following descriptions. (a) This device connects a LAN to the internet. (b) This device transmits data to specific computers in a network.

8 (c) This device broadcasts data to all computers in a network. (d) This device connects one LAN to another LAN that uses the same protocol. 21. Explain the differences between a blog and a wiki Write true or false

9 23. John is working on a school History project and saves his work. He is told by one of his teachers that the school network has been infected by a computer virus. (a) Explain what is meant by a computer virus and give examples of how a computer virus can affect a computer Write True or False. 25. A school s Science department has a network which uses Wi-Fi. A teacher has a laptop computer and whilst in school wishes to connect to this network. (a) Write down the name of this type of network....

10 (b) In order to access the network the laptop must be within range of a type of Wi-Fi network device. (i) Write down the name of this type of device.... (ii) Describe how this device is connected to the network using an Ethernet cable

SUBSIDIARY ICT PAPER I

NATIONAL CURRICULUM DEVELOPMENT CENTRE SPECIMEN QUESTION PAPER FOR SUBSIDIARY ICT PAPER I (Application of ICT Knowledge) Duration: 2 hours 30 Minutes INSTRUCTIONS TO CANDIDATES: Attempt ALL questions in