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Core Onboard Information System.docx
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Three Domains - correct answers Avionics Flight Operations Communication and Cabin Two Main Data Networks - correct answers Open Data Network (Boeing) Or Open World (Airbus) and Isolated Data Network (Boeing) Or Avionics World (Airbus) Avionics World - correct answersAKA Isolated Data Network Gathers systems software a and data in a secure environment Open World - correct answersAKA Open Data Network Like an extension of aircraft systems to outside for airline operations and passenger needs.
Separation and protection - correct answersFirewalls separate the domains/worlds AKA SCI SCI - correct answersSecure Communication Interface NSS - correct answersNetwork Server System Backbone of the open and avionics domains. Flight crew, cabin crew, maintainers and passengers all provided for by hosted functions and systems. NSS provides - correct answersBased on high speed protocol supplying: Servers and routers Connection to HMIs Secured via firewalls. External data communications. HMI - correct answersHuman Machine Interface Flight crew use OIT Onboard Information Terminals
Access protection - correct answersAccess to Avionics and flight ops domain is by password protected interfaces. Communication and Cabin Domain - correct answersHead End Server Unit (HESU) Cabin Wireless LAN Units (CWLU) Antennas Supplies tied and wireless connectivity Via IFE and LAN SATCOM supplies air/ground link