I.T Networking Flashcards
(25 cards)
What is the Internet?
A global network that connects millions of computers and allows data sharing.
What is the World Wide Web (WWW)?
A subset of the internet that includes websites and web pages.
What is a Personal Area Network (PAN)?
A small network connecting personal devices, within a 30-foot range.
What is a Local Area Network (LAN)?
A network within a small area like a building or office.
What is a Metropolitan Area Network (MAN)?
A network covering a city or large campus.
What is a Wide Area Network (WAN)?
A network covering a broad area, connecting LANs over large distances.
What is Star Topology?
Devices connected to a central hub or switch.
What is Bus Topology?
Devices connected to a single central cable.
What is Ring Topology?
Devices connected in a circular pattern.
What is Mesh Topology?
Every device is connected to every other device.
What is Hybrid Topology?
A combination of two or more topologies.
What is Simplex?
Data flows in one direction only.
What is Half-Duplex?
Data flows in both directions but not at the same time.
What is Full-Duplex?
Data flows in both directions simultaneously.
What is Wired Media?
Physical cables used to transmit data.
What are Radio Waves?
Used for wireless communication like Wi-Fi or cellular.
What are Microwaves?
Used in satellite communications; effective but affected by weather.
What is Infrared?
Short-range wireless communication.
What are Viruses and Malware?
Malicious software designed to harm or exploit systems.
What are Phishing Attacks?
Fraudulent attempts to acquire sensitive data by pretending to be trustworthy entities.
What are Denial-of-Service (DoS) Attacks?
Attacks aimed at making a network service unavailable by overwhelming it with traffic.
What is Data Interception?
Unauthorized access to data while it is being transmitted.
What is Spyware?
Software that secretly monitors and records user activity.
What is Ransomware?
Malicious software that locks data until a ransom is paid.
