Computer Science/IT MCQs
Topic Notes: Computer Science/IT
MCQs and preparation resources for competitive exams, covering important concepts, past papers, and detailed explanations.
Plato
- Biography: Ancient Greek philosopher (427–347 BCE), student of Socrates and teacher of Aristotle, founder of the Academy in Athens.
- Important Ideas:
- Theory of Forms
- Philosopher-King
- Ideal State
3611
What is the main function of a switch?
Answer:
To forward data based on MAC addresses
A switch's primary role is to forward data frames to their destination within a LAN using MAC addresses.
3612
Desirable properties of a website are (i) A meaningful address (ii) Help and search facilities (iii) Links to related sites (iv) Features to allow users to give feedback (v) Hosting on a mainframe
Answer:
i, ii, iii, iv
Good websites have meaningful URLs, help and search features, relevant links, and user feedback options; hosting on a mainframe is unnecessary.
3613
What should you do if you think you have been scammed?
Answer:
All of the above
It is important to take action as soon as possible to minimize the damage.
3614
How can you protect yourself from doxing?
Answer:
All of the above
It is important to be mindful of your digital footprint.
3615
The "Web of Trust" (WOT) browser extension is designed to:
Answer:
Rate the trustworthiness and safety of websites
WOT uses crowdsourced ratings to help users avoid unsafe websites.
3616
If you want to connect a printer to your network that all computers can use, you would connect it to a:
Answer:
Switch
You would connect the printer to a switch (or the switch part of your router) to make it accessible to all devices on the LAN.
3617
What is a major consideration when planning a wired network installation?
Answer:
The layout of the building and where to run cables
The physical installation of cables is a major part of setting up a wired network.
3618
The typical length of an IP address is:
Answer:
4 bytes
IPv4 addresses are 4 bytes (32 bits) in length.
3619
HTML uses
Answer:
Pre-specified tags
HTML uses predefined tags to structure content, not user-defined tags.
3620
In which scenario would a wired network be the only option?
Answer:
In an area with a lot of radio interference
In environments with high levels of electromagnetic interference, a wireless network would be unreliable, making a shielded wired network the better choice.