Task Time (minutes) a
1. Complete self assessment sheet. 22. Read through the chapter on networks & theinternet.
153. Work through the questions on the revisiontemplate focusing on weaker areas first.
25
4. Attempt the multiple choice test on Edmodo. 105. Attempt the past paper exam questions. 206. Mark past paper exam paper questions. 157. Read through the chapter on programming. 158. Attempt the multiple choice test on Edmodo again. 10
“Every lesson counts – don’t waste a minute.”
Network hardware. Exam tip: There are subtle differences between network hardwarecomponents. Make sure you now the details for each.
1. Describe the purpose of an Network Interface Card (NIC).(2
marks)……………………………………………………................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................
2. Distinguish between a network hub and a network switch.(4
marks)……………………………………………………................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................
3. State three ways in which security can be implemented on a wireless access point.
(3 marks)
……………………………………………………................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................
4. Describe the purpose of a router.(2
marks)……………………………………………………................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................
5. What is a network bridge?(2
marks)……………………………………………………................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................
Types of network. Exam tip: Make sure you realise that servers can be specialised for different uses.
2. Explain the difference between a client-server and a peer-to-peer network. (4 marks)
……………………………………………………..................................................................................................................................................................……………………………………………………............................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................
Network topologies Exam tip: Network topologies are common in questions although the star configuration is by far the most common in real life.
1. Explain why bus networks can often be slow.
(2 marks)
……………………………………………………......…………………………………………………...………………………………………………………...…………………………………………………….....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
2. State two advantages of a star network over a bus network.
(2 marks)
……………………………………………………......…………………………………………………...………………………………………………………...…………………………………………………….....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
1. State three different uses for a network server.(3
marks)……………………………………………………................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................
Network protocols. Exam tip: Make sure you are able to define the term protocol precisely and quote some examples.
1. Explain what is meant by a network protocol.(3
marks)……………………………………………………................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………............................................2. Describe two protocols commonly used on the internet.
(4 marks)
……………………………………………………................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………........................................................................................................................................................................................................................................................................................……………………………………………………..................................................................................................................................................................3. What is a data packet?
(2 marks)
……………………………………………………................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................
4. What is meant by packet switching?(3
marks)……………………………………………………................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................
5. What is an IP address?(2
marks)……………………………………………………................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................
6. What is a MAC address?(2
marks)……………………………………………………................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................
Network security. Exam tip: The most important point to remember in this sectionis that security can be fine tuned.
1. Identify three ways in which a catastrophic data loss can occur.(3
marks)……………………………………………………................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………............................................……………………………………………………..................................................................................................................................................................2. What needs to be taken into account when deciding on the frequency
of taking network backups?(2
marks)……………………………………………………................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………............................................
3. What is the difference between a backup and an archive?(3
marks)……………………………………………………................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................
4. What does the term failover mean?(2
marks)……………………………………………………................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................5. State three characteristics of a strong password.
(3 marks)
……………………………………………………................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................6. State three sensible conditions of an acceptable use policy (AUP).
(2 marks)
……………………………………………………................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................
The internet. Exam tip: Make sure you understand that the internet is an Infrastructure and that the world wide web is just one of the services that uses it.
1. What is an internet domain name?(2
marks)……………………………………………………................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………............................................2. Which two of the following are legal IP addresses?
(2 marks)
a) 121.23.1.45 Yes / No
b) 256.55.76.8 Yes / No
c) 1.1.1.1. Yes / No
3. Explain why someone setting up a new internet connection at home would need a router. (2 marks)
……………………………………………………................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................
4. Explain the difference between the internet and the world wide web.(2
marks)……………………………………………………................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………............................................5. Explain what a DSL connection is.
(2 marks)
……………………………………………………................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………............................................6. What is the purpose of a modem?
(2 marks)
……………………………………………………................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………............................................
Internet file standards. Exam tip: Make sure you understand the difference between different file types and are able to recall examples for each.
1. Describe the differences between lossy and lossless compression.(4
marks)……………………………………………………................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………............................................2. Explain why images are compressed before being included on a
photo-sharing website. (3 marks)
……………………………………………………................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................
3. Explain the importance of file standards when including external files on a web page. (2 marks)
……………………………………………………................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………............................................
4. What is HTML? (3 marks)……………………………………………………................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................……………………………………………………..................................................................................................................................................................