CCNA 2 - Capitulo 12.1

CCNA 2 - Capitulo 12.1

1. WIRELESS

   • IEEE
   • WIRELESS TECHNOLOGIES
     • BLUETOOTH (802.15)
       • DEVICE PARING PROCCESS
         • DISTANCES UP TO 300FT (100M)
       • TWO TYPES OF BLUETOTH RADIOS
         • BLUETOOTH LOW ENERGY (BLE)
           • MESH TOPOLOGY
           • SHORT DISTANCE
           • LARGE SCALE NETWORK DEVICES
         • BLUETOOTH BASIC RATE/ENHANCED RATE ( BR/EDR)
           • POINT TO POINT TOPOLOGIES
           • OPTIMIZED AUDIO STREAMING
     • WIMAX (802.16)
       • HIGH SPEED WIRELESS BROADBAND
       • AREAS RURAIS
       • IS AN ALTERNATIVE TO BROADBAND WIRED INTERNET CONNECTIONS
         • USED IN AREAS THAT ARE NOT YET CONNECTED TO A DSL OR CABLE PROVIDER
         • USES TOWERS ARE SIMILAR CELL PHONE TOWERS
       • UP TO 30 MILES (50KM)
     • CELLULAR BROADBAND
       • CELULAR 4G E 5G
       • CELLULAR NETWORKS
         • TWO TYPES CELLULAR NETWORKS
           • GLOBAL SYSTEM FOR MOBILE (GSM )
             • GLOBAL
           • CODE DIVISION MULTIPLE ACCESS (CDMA)
             • EUA
         • MULTI-ACESS NETWORKS CARRYING
           • DATA AND VOICE
         • INTERCONNECTING CELL SITES
           • FORM CELLULAR NETWORK
         • A CELL SITE IS CREATED BY A CELLULAR TOWER
           • TRANSMITING SIGNALS IN A GIVEN AREA
     • SATELLITE BROADBAND
       • RURAL
       • DIRECTIONAL SATELLITE
     • UNLICENSED RADIO SPECTRUM
   • WIRELESS STANDARDS ORGANIZATIONS
     • ITU
       • ALLOCATION RADIO FREQUENCY SPECTRUM
       • SATELLITE ORBITS
     • IEEE
       • RADIO FREQUENCY IS MODULATED TO CARRY INFORMATION
       • MANTAINS STANDARD FOR LOCAL AND MAN AREA WITH FAMILY
         • 802.3 ETHERNET
         • 802.11 WLAN
     • WI-FI ALLIANCE
       • ALLIANCE IS A GLOBAL
         • NON PROFIT
       • OBJETIVE
         • ASSOCIATION OF VENDORS WHOSE OBJECTIVE IS TO IMPROVE INTEROPERABILITY 802.11
       • WHATS IS PURPOSE ?
         • PROMOTING THE GROWTH AND ACCEPTANCE OF WLANs
     • ENSURE INTEROPERABILITY DIFFERENT MANUFACTURERS
   • RADIO FREQUENCES
     • ALL WIRELESS DEVICES OPERATE IN RADIO WARES OF ELETROGMAGNEGTIC SPECTRUM
     • 2,4 GHZ FREQUENCY
       • IEEE 802.11B,G,B,AX
     • 5 GHZ FREQUENCY
       • IEEE 802.11 A N AC AX