is 450
Here’s the numbered list for easier reading and reference:
Cloud – A shared pool of computing resources that can be quickly used or released with minimal effort.
Hosts – Devices like computers or phones on a network that can send or receive data.
Switches – Devices that connect and manage traffic within a network using MAC addresses.
Internetwork – A collection of connected networks forming a larger network.
Router/Gateway – Devices that direct data between networks and help different networks communicate.
Host-to-Host Connectivity – The connection that allows devices to communicate over a network.
Address – A unique identifier for a device in a network, like an IP address.
Routing – Choosing the best path for data to travel across a network.
Unicast – Sending data from one sender to one receiver.
Broadcast – Sending data from one sender to all devices in a network.
Multicast – Sending data from one sender to multiple specific receivers.
Internet – A global network that connects computers and allows communication.
Protocol – A set of rules that devices follow to communicate.
Types of Protocols – Examples: HTTP, FTP, SMTP, SSH, DNS, DHCP, SNMP, IMAP, POP3, Telnet.
Types of Ports – Examples: HTTP (80), HTTPS (443), FTP (21), SSH (22), Telnet (23), SMTP (25), DNS (53), DHCP (67/68), POP3 (110), IMAP (143).
TCP/IP – The main internet protocol system that ensures data is sent and received correctly.
UDP – A fast but less reliable way to send data, often used for streaming.
Network Edge – The part of a network where devices connect to the internet or a central network.
Frequency Division Multiplexing (FDM) – Splitting a network signal into different frequencies for multiple users.
Time Division Multiplexing (TDM) – Sharing a network signal by giving each user a time slot to send data.
DSL (Digital Subscriber Line) – Internet over phone lines, speeds up to 100 Mbps.
Dial-up Internet – Slow internet using phone lines, up to 56 Kbps.
Cable Modem – Internet via cable TV lines, up to 1 Gbps.
Fiber – High-speed internet using fiber optic cables, over 1 Gbps.
Wireless – Internet without cables, speed depends on technology.
Cellular Network Internet – Mobile internet via cell towers (3G, 4G, 5G).
Satellite – Internet from satellites, affected by weather, about 50 Mbps.
Broadband over Powerlines (BPL) – Internet using electrical wires, similar speeds to DSL and cable.
Endpoint – A device connected to a network that sends or receives data.
IoT Devices – Internet-connected gadgets like smartwatches and home assistants.
Final Destination – The device that receives transmitted data.
Network Communication – The exchange of data between devices in a network.
VPN (Virtual Private Network) – A secure way to connect to a private network over the internet.
Access Point – A device that allows wireless devices to connect to a wired network.
2-Tier Architecture – A system where the user interface is on the client, and data is stored on the server.
3-Tier Architecture – A system with separate layers for user interface, application processing, and data storage.
Client – A device or program that requests services from another computer.
N-Tier Architecture – A system that divides functions across multiple layers to improve efficiency.
Server and Client Model – A system where a server manages and provides services to client devices.
Host – Any network-connected device that can send or receive data.
Databases – Organized collections of data stored electronically.
Network Response Time – The time it takes for a network to respond to a request.
Connectivity Between Hosts – Methods and protocols that allow devices to share data.
Private Data Channel – A secure way to transmit sensitive data.
Gateway – A device that connects different networks and manages data flow.
DNS (Domain Name System) – A system that translates website names into IP addresses.
ISP to DNS – How Internet Service Providers use DNS to translate domain names into IP addresses.
3-Way Handshake – A three-step process used in TCP/IP to establish a connection.
IoT (Internet of Things) – Devices that communicate over the internet, like smart home gadgets.
ISP (Internet Service Provider) – A company that provides internet access.
N-Tier Architecture – A system with multiple layers for scalability and efficiency.
Network Edge – The part of a network where it connects to the internet.
DSL (Digital Subscriber Line) – Internet via telephone lines, up to 100 Mbps.
Dial-up Internet – Slow internet over phone lines, up to 56 Kbps.
Cable Modem – Internet using cable TV infrastructure, up to 1 Gbps.
Fiber – High-speed internet with fiber optics, over 1 Gbps.
Wireless – Internet access without cables, speeds vary.
Cellular Network Internet – Internet from mobile networks, speeds depend on 3G, 4G, or 5G.
Satellite – Internet via satellites, slower and affected by weather.
Broadband over Powerlines (BPL) – Internet through power lines, similar speed to DSL or cable.
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