Video Description

Wireless Access Point (WAP)- Networking hardware device

  • Connects mobile devices to the wired infrastructure

  • Has ethernet interfaces RJ45 and antennae

  • Layer 2 device works in physical and data-link layers

  • Coverage area depends on the antennae

  • Many known vendors manufactures WAP

  • May contain a DSL and a router in the same box for wireless home connections

  • Supports multiple standards a,b,g, and n

  • Divided into several radio channels to avoid interference

  • Connects multiple SSIDs broadcasted and hidden

  • Speed and coverage depends on brand and model

  • Obstructed by walls and long distances

  • Configured through firmware directly or web based

  • May work with Power over Ethernet PoE

Wireless Access Point (WAP) Security- Hidden SSIDs

  • Filtering based on

    • MAC addresses

    • IP addresses

    • Port numbers (Services)

    • Domain Names

  • Encryption

    • WEP

    • WPA

    • AES

USB Modem- Connects PCs/Laptops to the GSM network via mobile operator

  • Depends on the network generation 3G/4G

  • Needs no wired infrastructure

  • Charging fees according to subscription

  • Less network speed than WiFi

  • Allows more flexibility and mobility

Smart Phones- Spreading fast over the world

  • WiFi

  • GSM

  • Bluetooth

  • Can act as Hot Spot

  • WiFi is less battery consuming than GSM

  • Charges for GSM depends on subscription

    • Monthly subscription

    • Pay as you go

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