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
4031
IP addresses are converted to:
Answer:
Hierarchy of domain names
Domain names are human-readable versions mapped to IP addresses.
4032
What is a "datagram"?
Answer:
Another name for a packet in a connectionless network
In the context of the IP protocol, which is connectionless, the packets are often referred to as datagrams.
4033
What is "cybersquatting"?
Answer:
The practice of registering a domain name that is the same as, or confusingly similar to, a well-known trademark
Cybersquatters often try to sell the domain name to the trademark owner for a profit.
4034
Which device can create Virtual LANs (VLANs)?
Answer:
Managed switch
VLANs are a feature of managed switches that allow you to segment a LAN into multiple logical networks.
4035
A URL specifies the following: (i) Protocol used (ii) Domain name of server hosting web page (iii) Name of folder with required information (iv) Name of document formatted using HTML (v) Name of ISP
Answer:
i, ii, iii, iv
A URL consists of the protocol, domain, folder path, and document name; the ISP name is not part of the URL structure.
4036
For streaming a high-definition video, which is more important?
Answer:
High bandwidth
Streaming video requires a high, sustained data rate to deliver the large amount of data needed for high-quality video, so high bandwidth is essential.
4037
Internet packet data structures include:
Answer:
Source address, destination address, packet number, message bytes, error control bits, path ID
Packets carry several data fields for routing and error handling.
4038
Who is the father of Internet ?
Answer:
Vint Cerf
Vinton "Vint" Cerf is recognized as one of the "fathers of the Internet," along with Bob Kahn. In the 1970s, they co-designed the TCP/IP protocols, which are the fundamental communication protocols that enable data exchange across the diverse networks that form the Internet.
4039
Which of the following exemplifies connectivity?
Answer:
Internet
The Internet represents a global network enabling connection and communication.
4040
\_\_ is the protocol that supports linking from one webpage to another.
Answer:
HTTP
HTTP (HyperText Transfer Protocol) is the foundation of data communication on the web, enabling links between webpages.