Worksheets13.22: Information System
Total questions: 34
Worksheet time: 17mins
What is the role of the Secure Communication Interface (SCI) in the OIS architecture?
To connect cabin printers to passenger terminals
To isolate avionics and open world domains while securing data flow
To provide audio communication between cockpit and tower
In the Airbus A380, what is the function of the Avionics Server Function Cabinet (ASFC)?
Hosts IFE applications for passengers
Stores security codes for encryption systems
Hosts flight operations, maintenance, and communication apps
How does the Open World Diode (OWD) enhance system security?
By allowing bidirectional data flow
By converting analog to digital signals
By permitting unidirectional data flow from Avionics Domain
Which function is enabled by the Controller-Pilot Data Link Communications (CPDLC)?
Direct satellite broadcasting
Text-based messaging between ATC and pilots
Real-time weather monitoring
What does the Portable Maintenance Access Terminal (PMAT) allow during ground operations?
In-flight internet browsing
Full access to all cabin entertainment features
Access to avionics domain functions with some limitations
Which component prevents malicious data from reaching the Avionics World?
Aircraft Router Unit
Open World Diode
Head End Server Unit
What distinguishes the Aircraft Control Domain (ACD) from the Airline Information Services Domain (AISD) in A350?
ACD hosts passenger services while AISD stores avionics data
ACD hosts core aircraft apps; AISD focuses on communication and maintenance
AISD is limited to ground operations only
Which of the following systems is responsible for passenger internet access?
Avionics Server Function Cabinet
Cabin Wireless LAN Unit
Centralized Data Acquisition Module
What maintenance action is not permitted via PMAT?
Fault list display
BITE tests involving component movement
Viewing onboard documentation
What component manages data communication between the three NSS domains?
Aircraft Router Unit (ARU)
Head End Server Unit(HESU)
Terminal Wireless LAN Unit(TWLU)
The Onboard Maintenance Terminal (OMT) is not used during which phase?
On ground
In-flight
Pre-flight check
What does the e-Logbook eliminate the need for?
Cabin pressure monitoring
Paper-based defect reports and log entries
Wireless LAN management
How is downstream clearance delivered in CPDLC?
Through automatic pilot handovers
By pre-programmed route entries only
Via dialogue between controller and pilot
Which component hosts CPDLC for ATC messaging?
Head End Server Unit(HESU)
Core Processing Input/Output Module(CPIOM)
Secure Interface Router Unit(SIRU)
The NSS stores data for which groups?
Only flight crew
Maintenance crew, flight crew, cabin crew, and passengers
Only maintenance crew
What is the purpose of the Post Flight Report (PFR)?
To update FMS software
To display cabin and communication equipment faults
To print maintenance logs
Which interface allows pilots to access ATC messages?
The Datalink Control and Display Unit(DCDU)
FAP
PMAT
Which system in the cabin domain provides printer functionality?
MP FAP
HESU
Cabin OIT
Why is data transfer unidirectional between ASFC and OSFC?
To increase memory capacity
To secure the aircraft control domain
To allow quick updates
What does the OIT switch to on ground use?
Flight performance mode
Avionics domain
Cabin temperature control
What key function does the Aircraft Network Server Unit (ANSU) perform?
Displays passenger movies
Hosts OIS apps and data
Monitors humidity
What identifies when a fault occurred during a flight?
OMT LED
PFR report
SCIs
What enables wireless access to OIS in the aircraft?
VHF transmitter
Leaky line antenna system
Optical fiber
The Flight Attendant Panel (FAP) provides access to what system?
OIS cabin applications
CPDLC
OMS diagnostics only
The network server system (NSS) connected to the other terminals via
Bluetooth
High-speed LAN
VLAN
The Secure Interface Router Unit (SIRU) ensures secure transmission for:
Radio broadcasts
ACARS messages
Maintenance logs
Who can access the 'Airman' system on ground?
Cabin crew
Passengers
Maintenance personnel
What must be done to laptops after flight to preserve battery?
Remove the hard disk
Perform software update
Manually power off
What ATC system feature reduces frequency congestion?
Sector splitting
CPDLC text-based communication
Use of satellite phones
What equipment in the NSS bay triggers the SMOKE light on the MASTER switch?
Centralized Data Acquisition Module(CDAM)
Smoke detection from CIDS
Electronic Flight Bag (EFB)
Manuals are available on-board at the
Onboard Maintenance Terminal (OMT).
Maintenance data Access (MDA).
Portable Maintenance Access Terminal (PMAT).
Which system supply computing and memory resources to the hosted OIS applications, documentation and database?
Centralized Data Acquisition Module (CDAM)
Secure Interface Router Unit (SIRU)
Aircraft Network Server Unit-Operations (ANSU-OPS).
The purpose of the information systems is to
improve flight, cabin and maintenance operations, and give services to passengers
improve information distribution in aircraft & maintenance operation
give correct information to crew, passenger and flight operation
What is 'AIRMAN'?
normal interface for the OIS applications and documentation hosted in the laptop
ground tool used to optimize the maintenance of Airbus aircraft.
supplies aircraft parameters and avionics data from the AVIONICS WORLD
