AQA GCSE Computer Science (8525)

3.5: Fundamentals of Computer Networks: revision quiz and key terms

Free practice for 3.5: Fundamentals of Computer Networks in AQA GCSE Computer Science (8525). It has 4 parts: 3.5.1 Types of Computer Network, 3.5.2 Network Protocols, 3.5.3 Network Security and 3.5.4 The TCP/IP Model. Try the questions, then check the key terms.

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Question 1 · Multiple choice

Which layer of the TCP/IP model contains network hardware such as the network interface card?

Question 2 · True or false?

IP operates at the internet layer of the TCP/IP model.

Question 3 · Multiple choice

Which of the following correctly matches a protocol with its primary purpose?

Question 4 · True or false?

IP is responsible for reliably breaking data into packets and reassembling them.

Question 5 · Multiple choice

Which type of network covers a large geographical area and often uses infrastructure owned by telecommunications companies?

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Key terms for 3.5: Fundamentals of Computer Networks

Firewall: Hardware or software that monitors network traffic and blocks traffic that does not meet its security rules.
IP: The protocol that operates at the internet layer, responsible for addressing and routing.
LAN: A network that connects devices within a small geographical area, such as a single site.
MAC address filtering: Only allowing devices with approved MAC addresses to connect to a network.
SMTP: The protocol used to send emails to a mail server.
TCP: The transport layer protocol that splits data into packets and makes sure they arrive reliably and in order.
Transport layer: The TCP/IP layer where the TCP protocol operates, setting up host-to-host communication.
WAN: A network that connects devices over a large geographical area.

What 3.5: Fundamentals of Computer Networks covers

In RADevo this topic has a full topic test and a focused quiz for each part:

3.5.1 Types of Computer Network
3.5.2 Network Protocols
3.5.3 Network Security
3.5.4 The TCP/IP Model

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