Internet / Files

Question 1

What are the functions of an operating system?

Answer 1

Manages hardware and software
Managing processes, multitasking
Manages memory
Manages file and device management
Manages user interface
Manages security and access control

Question 2

What is a file system and how is it organized?

Answer 2

The way an operating system organizes, stores, and retrieves files on storage devices
Files are organized into blocks or clusters.
Directories / Folders hold files

Question 3

What is the Internet? How does it work?

Answer 3

It is a global network of connected computers and servers. It works with hardware and software that enable communication.

Question 4

What is a protocol?

Answer 4

A set of rules or standards that define how data is transmitted and received over a network.

Question 5

What is an IP address used for?

Answer 5

It is a unique identifier used to locate and communicate with devices on a network.

Question 6

What is the functionality of a DNS?

Answer 6

It translates human-readable domain names (like URLs) into IP addresses.

Question 7

HTTP

Answer 7

used for transferring web pages over the internet

Question 8

HTTPS

Answer 8

the secure version of HTTP by adding encryption

Question 9

SSH

Answer 9

used for secure remote access to another computer or server

Question 10

FTP

Answer 10

used to transfer files between computers over a network

Question 11

SMTP

Answer 11

used for sending email messages from one server to another

Question 12

TCP

Answer 12

reliable delivery service. Ensures that data is sent correctly, in order, and fully delivered. Used for accuracy.

Question 13

UDP

Answer 13

fast delivery service. Used when speed is more important.

Question 14

Application vs transport

Answer 14

HTTP HTTPS SSH FTP SMTP

UDP TCP