Printable Loopcards | Topic 5: Communication and the internet | Edexcel IGCSE Computer Science
What are loop cards?
Loop cards are a great game that can be played individually or as a class. They are perfect for review key vocabulary or questions at the end of a topic or when revising for an exam.
Instructions
Cut out the cards from the paper horizontally (but don't cut them in half!) and then shuffle them.
Now start joining each question on the right hand side of the card to the matching answer on the next card.
Carry on until all the cards loop together and you have competed the game!
Hint: Make sure that you set your paper to portrait to print 4 cards per sheet of A4 paper.
A denial-of-service attack is a type of cyber attack in which an attacker floods a network or server with traffic in order to overwhelm it and cause it to crash.
How can technical weaknesses be exploited in cyber attacks?
Technical weaknesses in software and hardware can be exploited through various methods such as malware infections and backdoor access.
What is HTML?
A markup language used to create webpages
Why is code review important in identifying and removing bad programming practices?
Code review is important in identifying and removing bad programming practices because it allows for other developers to review the code for errors or potential security vulnerabilities.
What is a PAN?
Personal Area Network.
What is a default gateway?
A default gateway is the IP address of the router that connects a device to another network, such as the internet.
What is the difference between a hub and a switch in network access?
A hub broadcasts data to all devices on a network, while a switch directs data only to the device that is intended to receive it.
What type of network topology is commonly used in home networks?
A star topology is commonly used in home networks, with a central wireless router acting as the hub.
How are these components combined to provide internet access?
A modem connects to the ISP network and a router then connects to the modem, managing the connection between the ISP and the local network. A switch is used to connect multiple devices on a local network, and a wireless access point (WAP) is used to provide wireless connectivity to these devices.
What is the maximum size of a TCP segment?
The maximum size of a TCP segment is 65,535 bytes.