AUTOSAR CT-AUT Practice Questions (Page 4)

Questions 16–20

1. 16application · medium

   A project team is starting a new AUTOSAR-based project. They have defined the SWCs and their interfaces in a system description. To ensure that the software components can be reused in a different vehicle platform later, what is the most important aspect of their current work?

   • AWriting detailed implementation code for the SWCs before finalizing the system design.
   • BSelecting the specific microcontroller for the target ECU.
   • CEnsuring the SWC descriptions are complete and use standardized AUTOSAR templates.
   • DDefining the exact memory addresses for all SWC variables.
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2. 17foundation · easy

   What is the primary purpose of the AUTOSAR standard in automotive software development?

   • ATo replace all existing automotive communication protocols with a single new protocol for in-vehicle networking.
   • BTo define a single hardware platform that all automotive ECUs must use to ensure uniform performance.
   • CTo provide a common software architecture that enables the exchange and reuse of software components across different ECU vendors and hardware platforms.
   • DTo provide a certification process for automotive software developers to ensure their code meets safety standards.
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4. 18foundation · easy

   What is the primary role of the Runtime Environment (RTE) in AUTOSAR?

   • ATo define the hardware abstraction for the microcontroller peripherals.
   • BTo manage the non-volatile memory of the ECU.
   • CTo provide the operating system and scheduling of tasks on the microcontroller.
   • DTo act as a middleware that facilitates communication and scheduling between application software components and the Basic Software.
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5. 19expert · hard

   An AUTOSAR system has a 'BrakeControl' SWC on ECU1 and a 'WheelSpeedSensor' SWC on ECU2. They communicate over the CAN bus. The system architect wants to ensure that the 'BrakeControl' SWC can be tested on a test bench without the actual 'WheelSpeedSensor' SWC. Which AUTOSAR concept is designed to support this type of testing?

   • AThe MCAL can be configured to simulate the CAN communication.
   • BThe Virtual Functional Bus (VFB) allows the SWCs to be tested in a simulation environment before the final ECU mapping.
   • CThe Service Layer's communication stack can be used to bypass the missing SWC.
   • DThe RTE can be configured to route the communication through a loopback interface on the same ECU.
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6. 20expert · hard

   A test engineer is analyzing a timing violation in an AUTOSAR system. The violation occurs when an application SWC writes a value to an output port, and the value is transmitted on the CAN bus. The engineer notices that the delay between the SWC write and the actual CAN transmission is highly variable. Which of the following is the most likely source of this variability?

   • AThe application SWC is not correctly implementing the sender-receiver interface.
   • BThe MCAL driver for the CAN controller is not deterministic.
   • CThe Service Layer's diagnostic module is interfering with the CAN transmission.
   • DThe RTE's communication mechanism and the BSW's CAN stack scheduling are both contributing to the variable delay.
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