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iGCSE CS Topic 5 Quiz Flashcards | StudBud
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iGCSE CS Topic 5 Quiz
iGCSE CS Topic 5 Quiz
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1
What is a private key in the context of digital currency transactions?
A code for identifying the currency type.
A secret key used for authorizing transactions.
A password for opening the digital wallet.
A key given to each user for public transactions.
2
What is the purpose of a web server?
To store software applications
To serve web pages to requesting devices
To manage email services
To translate high-level languages
3
What is the main purpose of anti-malware software?
To speed up the computer.
To enhance graphics performance.
To block unwanted emails.
To detect and remove malware.
4
How does the supply control of digital currencies affect the risk of hyperinflation?
It causes constant hyperinflation.
It greatly increases the risk.
It has no effect on inflation.
The tightly controlled supply helps mitigate the risk of hyperinflation.
5
What is the role of a public key in digital currency transactions?
It is used to receive or deposit money into an account
It is a unique identifier for the currency itself.
It provides the transaction history of the currency.
It is used to withdraw money from an account.
6
What is a firewall primarily used for in a network?
To monitor employee productivity.
To increase internet speed.
To prevent unauthorized access to or from a private network.
To manage emails.
7
What does SSL (Secure Sockets Layer) provide for web communications?
Faster data transfer.
Automatic translation of web pages.
Increased storage space.
Secure, encrypted communication between a web browser and a server
8
What is the purpose of using strong passwords?
To reduce the need for antivirus software.
To speed up the login process.
To protect accounts and systems from unauthorized access.
To encrypt files and emails.
9
What is pharming in the context of cyber security?
Installing antivirus software.
Strengthening network security.
Changing DNS records to point to the wrong IP address.
Farming data for legitimate purposes.
10
What is the primary goal of malware?
To enhance computer performance.
To protect data from unauthorized access.
To harm computers and/or data.
To improve internet connectivity.
11
What does 'cold storage' refer to in the context of digital currencies?
Keeping digital currency keys in a non-digital form, for security
Storing digital currencies in a physical bank.
The process of freezing digital assets.
The phase when digital currencies are not being traded.
12
What is HTML primarily used for?
Sending emails.
Creating web pages.
Networking computers.
Creating complex software applications.
13
Which of these is a feature of web browsers?
Calculating complex algorithms.
Translating web pages automatically.
Storing cookies.
Creating web pages.
14
What is the main difference between HTTP and HTTPS?
HTTP is faster than HTTPS
HTTPS is an encrypted version of HTTP, providing more security
HTTP is used for email, whereas HTTPS is for web browsing
HTTPS is older than HTTP
15
What is a key characteristic of digital currencies like cryptocurrencies?
They only exist in electronic form.
They are always backed by physical assets.
They are controlled by central banks.
They have intrinsic value.
16
What does ransomware do to a victim's computer?
Encrypts the hard drive, prevents access to files until a ransom is paid.
It speeds up the computer.
It shares files publicly.
It deletes all files immediately.
17
What is the primary purpose of a web browser?
To manage network settings
To render web pages
To store data permanently
To create software applications
18
What is the main purpose of a blockchain in the context of digital currencies?
To create digital currencies.
To increase transaction speed.
To encrypt user data.
To serve as a distributed ledger for recording transactions.
19
Why are IP addresses important in the context of the internet?
They store user data like cookies.
They are used to encrypt data.
They are used to create HTML content.
They provide a unique identifier for each device on the internet.
20
What are cookies in the context of web browsing?
Bookmarks saved by the user.
Small data files sent to a browser by a web server.
Programs that control web browser functionality.
Viruses that attack browsers.
21
What is the main difference between the Internet and the WWW?
The Internet is used for email, while the WWW is for browsing.
Internet is a global network & the WWW is a service that uses the Internet.
The WWW is a type of Internet.
There is no difference; they are the same.
22
What is a primary benefit of using digital currencies for international transfers?
They can only be used in certain countries.
They offer low transaction costs and fast transfer times.
They require physical transportation.
They are regulated by each country's government.
23
Why are digital currencies considered hard to counterfeit?
Due to the complex cryptographic systems in place.
Because they are controlled by governments.
Because they are backed by physical assets.
Because they are not valuable.
24
What distinguishes persistent cookies from session cookies?
Persistent cookies are deleted after the browsing session
Persistent cookies are only used for shopping carts
Persistent cookies remain on the computer until their expiry date
Persistent cookies encrypt user data
25
How do automatic software updates contribute to cybersecurity?
They add new features to the software.
They ensure the software has the latest security patches.
They increase software speed.
They create backups of data.
26
Which of the following is a sign of a phishing attempt?
A highly personalized email greeting.
Emails that request personal information like usernames or passwords.
Emails with perfect grammar and spelling.
Emails with a verified sender address.
27
What is the main purpose of an address bar in a web browser?
To display the user's browsing history.
To store bookmarks and favorites.
To allow the user to enter a web address.
To display the current website's security certificate.
28
What does a URL represent in web technology?
A Uniform Resource Locator, or web address
An Internet security protocol
A type of computer hardware
A programming language
29
What is the role of the Domain Name System (DNS) server?
To create HTML pages
To encrypt data
To translate domain names into IP addresses
To store cookies
30
Which of the following is true about web browser tabs?
They decrease the speed of browsing.
They are not supported by modern web browsers.
They allow many web pages to remain open at the same time.
They are used for creating web pages.
31
What is the main function of a proxy server in terms of online privacy and security?
To store user data and cookies.
To increase website loading speeds.
To hide the user's IP address and protect their anonymity.
To block all incoming internet traffic.
32
What is the main purpose of a Distributed Denial of Service (DDoS) attack?
To steal sensitive data.
To encrypt data for ransom.
To improve network security.
To flood a server eith pointless requests to make it fail or slow down
33
When a user enters a URL, what is the first action performed by the browser?
It requests the IP address of the domain name from a DNS server
It saves a cookie on the user's device
It directly displays the web page
It encrypts the user data
34
What is the function of HTTP in the transmission of web pages?
It encrypts web pages.
It is the protocol used to send web pages.
It designs web pages.
It stores web pages.
35
Which feature allows the storage of favourite web pages in a browser?
Cookies
Address bar
Navigation tools
Bookmarks
36
What role does two-step verification play in cybersecurity?
Provides an additional layer of security beyond just a password.
Decreases the time needed to log in.
Encrypts files stored on the computer.
Monitors network traffic.
37
What is a key characteristic of a brute force attack?
It uses social engineering techniques.
It involves stealing physical hardware.
It tries every password combination until the correct one is found.
It only targets weak passwords.
38
Which of these is a type of social engineering attack?
Denial of Service (DoS) attack.
Malware infection.
Brute force attack.
Phishing.
