6 exam-style questions with full mark schemes and model answers. Write your own answer and the AI examiner marks it against the mark scheme.
Learn this properly: Types of Networks: LAN and WANA school is setting up a new computer network in one building. The IT manager is choosing between a star topology and a mesh topology for connecting the computers.
Discuss how a star topology and a mesh topology each work, and evaluate which would be more appropriate for the school. You should refer to reliability, cost and cabling in your answer. (6 marks)
When a large file is sent across the internet, it is broken up and sent using packet switching.
(a) State two pieces of information, other than the data itself, that are contained in a packet. (2 marks)
(b) Explain one advantage of packet switching for sending data across the internet. (2 marks)
When a user types a website address (URL) such as www.example.co.uk into a browser, the Domain Name System (DNS) is used.
Explain the role of the DNS when the user requests this website. (3 marks)
A company is deciding between a client-server network and a peer-to-peer network for its office of 40 computers.
(a) State one advantage of a client-server network compared with a peer-to-peer network. (1 mark)
(b) Describe two features of a client-server network. (2 marks)
A network can be connected using wired connections (cables) or wireless connections (Wi-Fi).
State one advantage of a wired connection and one advantage of a wireless connection. (2 marks)
A network that connects devices over a large geographical area, such as across a country or between cities, is known by a three-letter abbreviation.
State what type of network this is. (1 mark)