ICT General Knowledge 3 — Questions and Answers
Question 1: Which of the following best describes 'cloud computing'?
- Storing data only on local hardware
- Delivering computing services over the internet on a pay-as-you-go basis (Correct answer)
- A new type of processor architecture
- A wireless networking standard
Correct answer: Delivering computing services over the internet on a pay-as-you-go basis
Cloud computing delivers on-demand IT resources — servers, storage, databases, networking — over the internet.
Question 2: What is the purpose of a DNS server?
- Assign email addresses to users
- Translate domain names into IP addresses (Correct answer)
- Encrypt internet traffic
- Manage network bandwidth
Correct answer: Translate domain names into IP addresses
A DNS (Domain Name System) server translates human-readable domain names (like google.com) into numerical IP addresses.
Question 3: Which programming paradigm treats computation as the evaluation of mathematical functions and avoids changing state?
- Object-Oriented Programming
- Procedural Programming
- Functional Programming (Correct answer)
- Imperative Programming
Correct answer: Functional Programming
Functional programming treats computation as evaluation of mathematical functions and emphasizes immutability and statelessness.
Question 4: What does 'IoT' stand for?
- Internet of Technology
- Integrated Operations Technology
- Internet of Things (Correct answer)
- Input Output Transfer
Correct answer: Internet of Things
IoT (Internet of Things) refers to the network of physical devices embedded with sensors and software that connect and exchange data.
Question 5: Which type of malware disguises itself as legitimate software to trick users into installing it?
- Worm
- Ransomware
- Trojan Horse (Correct answer)
- Adware
Correct answer: Trojan Horse
A Trojan Horse malware masquerades as legitimate software to gain access to a victim's system.
Question 6: What is the main advantage of using a solid-state drive (SSD) over a traditional hard disk drive (HDD)?
- Greater storage capacity
- Lower cost per gigabyte
- Faster read/write speeds with no moving parts (Correct answer)
- Higher magnetic storage density
Correct answer: Faster read/write speeds with no moving parts
SSDs use flash memory with no mechanical moving parts, resulting in significantly faster data access speeds than HDDs.
Question 7: In networking, what does 'bandwidth' measure?
- The physical length of a cable
- The maximum rate of data transfer across a network path (Correct answer)
- The number of connected devices
- The encryption strength of a connection
Correct answer: The maximum rate of data transfer across a network path
Bandwidth measures the maximum amount of data that can be transmitted over a network connection in a given time period.
ICT General Knowledge 3
Which of the following best describes 'cloud computing'?