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Networking Beginner

What is Bandwidth?

The maximum rate of data transfer across a network connection, measured in bits per second.

Bandwidth represents the capacity of a network connection — how much data can flow through per unit of time. It is measured in Mbps (megabits per second) or Gbps (gigabits per second).

Bandwidth differs from throughput (actual data transferred) and speed (which also depends on latency). Factors affecting bandwidth include hardware limits, network congestion, and ISP throttling.

Related Terms

QoS (Quality of Service)
A set of techniques for managing network traffic to prioritize certain types of data and ensure performance for critical applications.
Network Segmentation
The practice of dividing a network into isolated segments to improve security, performance, and management.
IPv6
The latest version of the Internet Protocol with 128-bit addresses, designed to replace IPv4 and solve address exhaustion.
Network ACL
A set of rules that control inbound and outbound traffic at the subnet level, acting as a stateless firewall in cloud and enterprise networks.
MTU (Maximum Transmission Unit)
The maximum size of a data packet that can be transmitted over a network without fragmentation.
SNMP (Simple Network Management Protocol)
A protocol for monitoring and managing network devices like routers, switches, servers, and printers remotely.
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