Lesson 1.3.1

1.3.1 Networks and topologies Quiz: OCR Computer Science, Unit 3

20 questions

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Lesson 1.3.1, Networks and topologies: 20 multiple choice questions for the OCR GCSE Computer Science (J277), Unit 3: Computer networks, connections and protocols, written with Revision Ninja.

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The 20 questions

  1. What defines a Local Area Network (LAN)?

    • Satellite connection only
    • Wireless connection only
    • Small geographical area
    • Global geographical area
  2. Which description best fits a Wide Area Network (WAN)?

    • Single room building
    • Local printer setup
    • Large geographical area
    • Standalone home computer
  3. Which hardware device allows wireless devices to connect to a LAN?

    • Wireless access point
    • Network interface card
    • Coaxial cable
    • Bridge device
  4. Which device forwards data between different networks, such as a home network and the internet?

    • Wireless access point
    • Router
    • Switch
    • DNS server
  5. What is the primary function of a Domain Name System (DNS)?

    • Translating URLs to IPs
    • Encrypting network traffic
    • Assigning MAC addresses
    • Routing packets locally
  6. In a client-server network, what is the main role of the server?

    • Provides network services
    • Stores local backups
    • Requests web pages
    • Only sends emails
  7. What is a defining characteristic of a peer-to-peer network?

    • Single administrator account
    • Dedicated backup hub
    • Equal device roles
    • Central file server
  8. What hardware allows a computer to connect to a network?

    • Network interface card
    • Random access memory
    • Solid state drive
    • Central processing unit
  9. Which network factor directly determines the maximum data transmission capacity available?

    • Latency
    • Topology
    • Bandwidth
    • Protocol
  10. What causes slow Wi-Fi performance when many users stream video simultaneously?

    • Static IP addresses
    • Fixed topology
    • Shared bandwidth
    • Static routing
  11. What is a major advantage of migrating files to cloud storage?

    • Remote access
    • Zero latency
    • No internet needed
    • Free hardware
  12. What is a primary disadvantage of relying entirely on cloud storage?

    • High local power
    • Internet dependence
    • Constant maintenance
    • Short MAC addresses
  13. What is an advantage of a star network topology?

    • Infinite bandwidth
    • Zero cabling cost
    • No central switch
    • Isolated cable failure
  14. What is a key advantage of a full mesh network topology?

    • Zero routing needed
    • Built-in redundancy
    • Single switch
    • Lowest hardware cost
  15. Which service translates a web address into a numerical IP address?

    • DNS
    • MAC
    • TCP
    • URL
  16. In a web browsing request, which component acts as the client?

    • Web server
    • Web browser
    • Switch
    • DNS server
  17. Why is a mesh network topology typically more expensive to install?

    • Multiple connections required
    • Uses one switch
    • Requires no cables
    • Single router only
  18. In a star network topology, what represents a single point of failure?

    • MAC address
    • Client cable
    • Ethernet frame
    • Central switch
  19. A company has offices in two countries connected by a network. Which type of network is this?

    • LAN
    • Peer-to-peer network
    • Client-server network
    • WAN
  20. Which term best describes the internet as a collection of interconnected networks?

    • Switch
    • PAN
    • LAN
    • WAN

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