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
231
ICMP stands for what?
Answer:
Internet Control Message Protocol
ICMP is a network layer protocol used by network devices to send error messages and operational information, such as with the ping command.
232
News servers utilize \_\_ to distribute documents to readers.
Answer:
NNTP
NNTP (Network News Transfer Protocol) is an application protocol used for transporting Usenet news articles between news servers and for reading/posting articles.
233
Which of the following protocols is used to access web pages on the World Wide Web?
Answer:
HTTP
HTTP (Hypertext Transfer Protocol) is the fundamental protocol used for communication on the World Wide Web. It governs the transfer of data between a web browser (client) and a web server, enabling you to request and view web pages.
234
A Bluetooth network has \_\_ primary device(s) and up to \_\_ secondary devices.
Answer:
One; seven
A Bluetooth piconet consists of one master (primary) device and can connect to up to seven active slave (secondary) devices.
235
What does the acronym HTTP stand for in the context of internet browsing?
Answer:
Hypertext Transfer Protocol
HTTP stands for Hypertext Transfer Protocol. It is the underlying protocol used by the World Wide Web and defines how messages are formatted and transmitted, and what actions Web servers and browsers should take in response to various commands.
236
TCP/IP invented by_____________?
Answer:
Robert E. Kahn
The TCP/IP protocol suite was developed in the 1970s as part of a research project by the United States Department of Defense Advanced Research Projects Agency (DARPA). The core design and development were led by computer scientists Robert E. Kahn and Vint Cerf.
237
\_\_ is the protocol that supports linking from one webpage to another.
Answer:
HTTP
HTTP (Hypertext Transfer Protocol) is the underlying protocol used by the World Wide Web to define how messages are formatted and transmitted.
238
What does HTTPS stand for?
Answer:
Hypertext Transfer Protocol Secure
HTTPS is a secure version of HTTP that encrypts data for safe communication over the web.
239
A protocol is best defined as a set of rules governing a sequence of events that must take place:
Answer:
Across an interface
Protocols standardize communications across defined interfaces.
240
The X.21 protocol comprises:
Answer:
Physical, frame, and packet levels
X.21 incorporates these three layers for coordinating digital communication.