Q. What is a computer network?
Ans. A computer network is a group of interconnected computers and devices that communicate and share resources.
Q. What are the main advantages of computer networking?
Ans. Networking enables resource sharing, communication, data exchange, and centralized management.
Q. What is a LAN?
Ans. LAN stands for Local Area Network. It connects devices within a limited area, such as a home, school, or office.
Q. What is a WAN?
Ans. WAN stands for Wide Area Network. It connects networks across large geographical areas.
Q. What is a MAN?
Ans. MAN stands for Metropolitan Area Network. It generally connects networks across a city or metropolitan area.
Q. What is the Internet?
Ans. The Internet is a global network of interconnected networks that communicate using standardized protocols.
Q. What is an IP address?
Ans. An IP address is a logical network address used to identify an interface and route data across IP networks.
Q. What is a MAC address?
Ans. A MAC address is a link-layer address commonly used to identify a network interface on a local network.
Q. What is a router?
Ans. A router forwards packets between different IP networks using routing information.
Q. What is a network switch?
Ans. A network switch connects devices within a local network and forwards Ethernet frames using MAC address information.
Q. What is a modem?
Ans. A modem converts or adapts signals for communication over a particular transmission medium or service network.
Q. What is a network topology?
Ans. Network topology describes how network devices and connections are arranged physically or logically.
Q. What is star topology?
Ans. Star topology connects devices to a central device, such as a switch or hub.
Q. What is a network protocol?
Ans. A network protocol is a set of rules that governs communication and data exchange between devices.
Q. What is DNS?
Ans. DNS stands for Domain Name System. It translates domain names into corresponding DNS records, often including IP addresses.
Q. What is DHCP?
Ans. DHCP stands for Dynamic Host Configuration Protocol. It automatically provides network configuration information to clients.
Q. What is bandwidth?
Ans. Bandwidth describes the capacity of a communication link to carry data over a given period.
Q. What is Wi-Fi?
Ans. Wi-Fi is a family of wireless networking technologies that allows compatible devices to communicate over radio waves.
Q. What is a firewall?
Ans. A firewall monitors and controls network traffic according to configured security rules.
Q. What is the difference between TCP and UDP?
Ans. TCP provides reliable, ordered byte-stream delivery, while UDP sends datagrams without guaranteeing delivery or order.