Network Hardware
Everything on SkillVeris tagged Network Hardware — collected across the glossary, study notes, blog, and cheat sheets.
6 resources across 1 library
Interview Questions(6)
What is the Physical Layer (OSI Layer 1)?
The Physical layer is OSI Layer 1 — it defines how raw bits (1s and 0s) are converted into actual signals (electrical voltage, light pulses, or radio waves) an…
What is a Network Interface Card (NIC)?
A Network Interface Card (NIC) is the hardware component — a physical card, onboard chip, or virtual adapter — that connects a device to a network, handling th…
What is Power over Ethernet (PoE)?
Power over Ethernet (PoE) is a technology that delivers electrical power alongside data over the same twisted-pair Ethernet cable, letting devices like IP came…
What is a Network Bridge?
A network bridge is a Layer 2 device that connects two or more network segments and selectively forwards Ethernet frames between them based on learned MAC addr…
What is a Repeater?
A repeater is a simple Layer 1 (Physical layer) networking device that receives an electrical, optical, or radio signal, regenerates and amplifies it to remove…
What is a Network Hub?
A network hub is a basic Layer 1 device that connects multiple Ethernet devices into a single network segment by electrically repeating every incoming signal o…