27 Automotive Embedded questions from the Embedded Systems bank, written for Indian campus drives and tech interviews. Every question has a verified answer and an AI-tutor explanation on placd.
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A.layered architecture of application software components, RTE and basic software (MCAL, OS, COM) on a statically configured OSEK-based OS for deeply embedded ECUs
B.mandated diagnostic interface using the 16-pin J1962 connector, emission-related trouble codes and PIDs over CAN at 500 kbit/s per ISO 15765
C.ISO 26262 requirement that lower-ASIL software cannot corrupt higher-ASIL functions, achieved with MPU memory partitioning, timing monitoring and end-to-end protection
D.unified diagnostic services with SIDs such as 0x10 session control, 0x22 read data by identifier, 0x27 security access and 0x34–0x37 for flashing, carried over CAN via ISO-TP
Answer + AI explanation with Pro
2. Which term means: "layered architecture of application software components, RTE and basic software (MCAL, OS, COM) on a statically configured OSEK-based OS for deeply embedded ECUs"?
Junior
A.Safety mechanisms
B.AUTOSAR Classic
C.ISO 26262 ASIL
D.CAN diagnostics (ISO-TP)
Answer + AI explanation with Pro
3. Which statement is correct?
Junior
A.AUTOSAR Classic — layered architecture of application software components, RTE and basic software (MCAL, OS, COM) on a statically configured OSEK-based OS for deeply embedded ECUs
B.AUTOSAR Classic — automotive safety integrity levels A to D assigned from severity, exposure and controllability of a hazard, with QM meaning no safety requirement applies
C.AUTOSAR Classic — shift from 70–100 distributed controllers to domain and zonal controllers with a central compute unit, linked by automotive Ethernet and CAN FD
D.AUTOSAR Classic — mandated diagnostic interface using the 16-pin J1962 connector, emission-related trouble codes and PIDs over CAN at 500 kbit/s per ISO 15765
Answer + AI explanation with Pro
4. What is ISO 26262 ASIL?
Junior
A.POSIX-based service-oriented platform with ara::com and SOME/IP for high-performance domain controllers running ADAS and infotainment, complementing rather than replacing Classic
B.lockstep cores, ECC memory, challenge-response watchdog, plausibility checks and defined safe states that achieve the diagnostic coverage ISO 26262 hardware metrics demand
C.ISO 15765-2 transport layer segmenting diagnostic messages longer than 8 bytes into first, consecutive and flow-control frames with block size and separation time
D.automotive safety integrity levels A to D assigned from severity, exposure and controllability of a hazard, with QM meaning no safety requirement applies
Answer + AI explanation with Pro
5. Which term means: "automotive safety integrity levels A to D assigned from severity, exposure and controllability of a hazard, with QM meaning no safety requirement applies"?
Junior
A.AUTOSAR Classic
B.Safety mechanisms
C.ISO 26262 ASIL
D.CAN diagnostics (ISO-TP)
Answer + AI explanation with Pro
6. Which statement is correct?
Junior
A.ISO 26262 ASIL — mandated diagnostic interface using the 16-pin J1962 connector, emission-related trouble codes and PIDs over CAN at 500 kbit/s per ISO 15765
B.ISO 26262 ASIL — POSIX-based service-oriented platform with ara::com and SOME/IP for high-performance domain controllers running ADAS and infotainment, complementing rather than replacing Classic
C.ISO 26262 ASIL — shift from 70–100 distributed controllers to domain and zonal controllers with a central compute unit, linked by automotive Ethernet and CAN FD
D.ISO 26262 ASIL — automotive safety integrity levels A to D assigned from severity, exposure and controllability of a hazard, with QM meaning no safety requirement applies
Answer + AI explanation with Pro
7. What is OBD-II?
Junior
A.ISO 15765-2 transport layer segmenting diagnostic messages longer than 8 bytes into first, consecutive and flow-control frames with block size and separation time
B.layered architecture of application software components, RTE and basic software (MCAL, OS, COM) on a statically configured OSEK-based OS for deeply embedded ECUs
C.ISO 26262 requirement that lower-ASIL software cannot corrupt higher-ASIL functions, achieved with MPU memory partitioning, timing monitoring and end-to-end protection
D.mandated diagnostic interface using the 16-pin J1962 connector, emission-related trouble codes and PIDs over CAN at 500 kbit/s per ISO 15765
Answer + AI explanation with Pro
8. Which term means: "mandated diagnostic interface using the 16-pin J1962 connector, emission-related trouble codes and PIDs over CAN at 500 kbit/s per ISO 15765"?
Junior
A.OBD-II
B.Freedom from interference
C.UDS ISO 14229
D.ECU architecture trend
Answer + AI explanation with Pro
9. Which statement is correct?
Junior
A.OBD-II — ISO 26262 requirement that lower-ASIL software cannot corrupt higher-ASIL functions, achieved with MPU memory partitioning, timing monitoring and end-to-end protection
B.OBD-II — unified diagnostic services with SIDs such as 0x10 session control, 0x22 read data by identifier, 0x27 security access and 0x34–0x37 for flashing, carried over CAN via ISO-TP
C.OBD-II — shift from 70–100 distributed controllers to domain and zonal controllers with a central compute unit, linked by automotive Ethernet and CAN FD
D.OBD-II — mandated diagnostic interface using the 16-pin J1962 connector, emission-related trouble codes and PIDs over CAN at 500 kbit/s per ISO 15765
Answer + AI explanation with Pro
10. What is AUTOSAR Adaptive?
Mid
A.ISO 15765-2 transport layer segmenting diagnostic messages longer than 8 bytes into first, consecutive and flow-control frames with block size and separation time
B.ISO 26262 requirement that lower-ASIL software cannot corrupt higher-ASIL functions, achieved with MPU memory partitioning, timing monitoring and end-to-end protection
C.unified diagnostic services with SIDs such as 0x10 session control, 0x22 read data by identifier, 0x27 security access and 0x34–0x37 for flashing, carried over CAN via ISO-TP
D.POSIX-based service-oriented platform with ara::com and SOME/IP for high-performance domain controllers running ADAS and infotainment, complementing rather than replacing Classic
Answer + AI explanation with Pro
11. Which term means: "POSIX-based service-oriented platform with ara::com and SOME/IP for high-performance domain controllers running ADAS and infotainment, complementing rather than replacing Classic"?
Mid
A.ISO 26262 ASIL
B.CAN diagnostics (ISO-TP)
C.OBD-II
D.AUTOSAR Adaptive
Answer + AI explanation with Pro
12. Which statement is correct?
Mid
A.AUTOSAR Adaptive — ISO 15765-2 transport layer segmenting diagnostic messages longer than 8 bytes into first, consecutive and flow-control frames with block size and separation time
B.AUTOSAR Adaptive — shift from 70–100 distributed controllers to domain and zonal controllers with a central compute unit, linked by automotive Ethernet and CAN FD
C.AUTOSAR Adaptive — mandated diagnostic interface using the 16-pin J1962 connector, emission-related trouble codes and PIDs over CAN at 500 kbit/s per ISO 15765
D.AUTOSAR Adaptive — POSIX-based service-oriented platform with ara::com and SOME/IP for high-performance domain controllers running ADAS and infotainment, complementing rather than replacing Classic
Answer + AI explanation with Pro
13. What is UDS ISO 14229?
Mid
A.shift from 70–100 distributed controllers to domain and zonal controllers with a central compute unit, linked by automotive Ethernet and CAN FD
B.automotive safety integrity levels A to D assigned from severity, exposure and controllability of a hazard, with QM meaning no safety requirement applies
C.POSIX-based service-oriented platform with ara::com and SOME/IP for high-performance domain controllers running ADAS and infotainment, complementing rather than replacing Classic
D.unified diagnostic services with SIDs such as 0x10 session control, 0x22 read data by identifier, 0x27 security access and 0x34–0x37 for flashing, carried over CAN via ISO-TP
Answer + AI explanation with Pro
14. Which term means: "unified diagnostic services with SIDs such as 0x10 session control, 0x22 read data by identifier, 0x27 security access and 0x34–0x37 for flashing, carried over CAN via ISO-TP"?
Mid
A.AUTOSAR Classic
B.ISO 26262 ASIL
C.OBD-II
D.UDS ISO 14229
Answer + AI explanation with Pro
15. Which statement is correct?
Mid
A.UDS ISO 14229 — unified diagnostic services with SIDs such as 0x10 session control, 0x22 read data by identifier, 0x27 security access and 0x34–0x37 for flashing, carried over CAN via ISO-TP
B.UDS ISO 14229 — ISO 15765-2 transport layer segmenting diagnostic messages longer than 8 bytes into first, consecutive and flow-control frames with block size and separation time
C.UDS ISO 14229 — automotive safety integrity levels A to D assigned from severity, exposure and controllability of a hazard, with QM meaning no safety requirement applies
D.UDS ISO 14229 — ISO 26262 requirement that lower-ASIL software cannot corrupt higher-ASIL functions, achieved with MPU memory partitioning, timing monitoring and end-to-end protection
Answer + AI explanation with Pro
16. What is CAN diagnostics (ISO-TP)?
Mid
A.mandated diagnostic interface using the 16-pin J1962 connector, emission-related trouble codes and PIDs over CAN at 500 kbit/s per ISO 15765
B.POSIX-based service-oriented platform with ara::com and SOME/IP for high-performance domain controllers running ADAS and infotainment, complementing rather than replacing Classic
C.ISO 15765-2 transport layer segmenting diagnostic messages longer than 8 bytes into first, consecutive and flow-control frames with block size and separation time
D.automotive safety integrity levels A to D assigned from severity, exposure and controllability of a hazard, with QM meaning no safety requirement applies
Answer + AI explanation with Pro
17. Which term means: "ISO 15765-2 transport layer segmenting diagnostic messages longer than 8 bytes into first, consecutive and flow-control frames with block size and separation time"?
Mid
A.OBD-II
B.ISO 26262 ASIL
C.AUTOSAR Classic
D.CAN diagnostics (ISO-TP)
Answer + AI explanation with Pro
18. Which statement is correct?
Mid
A.CAN diagnostics (ISO-TP) — lockstep cores, ECC memory, challenge-response watchdog, plausibility checks and defined safe states that achieve the diagnostic coverage ISO 26262 hardware metrics demand
B.CAN diagnostics (ISO-TP) — layered architecture of application software components, RTE and basic software (MCAL, OS, COM) on a statically configured OSEK-based OS for deeply embedded ECUs
C.CAN diagnostics (ISO-TP) — ISO 15765-2 transport layer segmenting diagnostic messages longer than 8 bytes into first, consecutive and flow-control frames with block size and separation time
D.CAN diagnostics (ISO-TP) — POSIX-based service-oriented platform with ara::com and SOME/IP for high-performance domain controllers running ADAS and infotainment, complementing rather than replacing Classic
Answer + AI explanation with Pro
19. What is ECU architecture trend?
Mid
A.POSIX-based service-oriented platform with ara::com and SOME/IP for high-performance domain controllers running ADAS and infotainment, complementing rather than replacing Classic
B.automotive safety integrity levels A to D assigned from severity, exposure and controllability of a hazard, with QM meaning no safety requirement applies
C.ISO 15765-2 transport layer segmenting diagnostic messages longer than 8 bytes into first, consecutive and flow-control frames with block size and separation time
D.shift from 70–100 distributed controllers to domain and zonal controllers with a central compute unit, linked by automotive Ethernet and CAN FD
Answer + AI explanation with Pro
20. Which term means: "shift from 70–100 distributed controllers to domain and zonal controllers with a central compute unit, linked by automotive Ethernet and CAN FD"?
Mid
A.ISO 26262 ASIL
B.OBD-II
C.UDS ISO 14229
D.ECU architecture trend
Answer + AI explanation with Pro
21. Which statement is correct?
Mid
A.ECU architecture trend — POSIX-based service-oriented platform with ara::com and SOME/IP for high-performance domain controllers running ADAS and infotainment, complementing rather than replacing Classic
B.ECU architecture trend — ISO 26262 requirement that lower-ASIL software cannot corrupt higher-ASIL functions, achieved with MPU memory partitioning, timing monitoring and end-to-end protection
C.ECU architecture trend — lockstep cores, ECC memory, challenge-response watchdog, plausibility checks and defined safe states that achieve the diagnostic coverage ISO 26262 hardware metrics demand
D.ECU architecture trend — shift from 70–100 distributed controllers to domain and zonal controllers with a central compute unit, linked by automotive Ethernet and CAN FD
Answer + AI explanation with Pro
22. What is Freedom from interference?
Senior
A.mandated diagnostic interface using the 16-pin J1962 connector, emission-related trouble codes and PIDs over CAN at 500 kbit/s per ISO 15765
B.ISO 26262 requirement that lower-ASIL software cannot corrupt higher-ASIL functions, achieved with MPU memory partitioning, timing monitoring and end-to-end protection
C.shift from 70–100 distributed controllers to domain and zonal controllers with a central compute unit, linked by automotive Ethernet and CAN FD
D.unified diagnostic services with SIDs such as 0x10 session control, 0x22 read data by identifier, 0x27 security access and 0x34–0x37 for flashing, carried over CAN via ISO-TP
Answer + AI explanation with Pro
23. Which term means: "ISO 26262 requirement that lower-ASIL software cannot corrupt higher-ASIL functions, achieved with MPU memory partitioning, timing monitoring and end-to-end protection"?
Senior
A.CAN diagnostics (ISO-TP)
B.AUTOSAR Adaptive
C.OBD-II
D.Freedom from interference
Answer + AI explanation with Pro
24. Which statement is correct?
Senior
A.Freedom from interference — unified diagnostic services with SIDs such as 0x10 session control, 0x22 read data by identifier, 0x27 security access and 0x34–0x37 for flashing, carried over CAN via ISO-TP
B.Freedom from interference — ISO 26262 requirement that lower-ASIL software cannot corrupt higher-ASIL functions, achieved with MPU memory partitioning, timing monitoring and end-to-end protection
C.Freedom from interference — mandated diagnostic interface using the 16-pin J1962 connector, emission-related trouble codes and PIDs over CAN at 500 kbit/s per ISO 15765
D.Freedom from interference — lockstep cores, ECC memory, challenge-response watchdog, plausibility checks and defined safe states that achieve the diagnostic coverage ISO 26262 hardware metrics demand
Answer + AI explanation with Pro
25. What is Safety mechanisms?
Senior
A.lockstep cores, ECC memory, challenge-response watchdog, plausibility checks and defined safe states that achieve the diagnostic coverage ISO 26262 hardware metrics demand
B.automotive safety integrity levels A to D assigned from severity, exposure and controllability of a hazard, with QM meaning no safety requirement applies
C.POSIX-based service-oriented platform with ara::com and SOME/IP for high-performance domain controllers running ADAS and infotainment, complementing rather than replacing Classic
D.ISO 26262 requirement that lower-ASIL software cannot corrupt higher-ASIL functions, achieved with MPU memory partitioning, timing monitoring and end-to-end protection
Answer + AI explanation with Pro
26. Which term means: "lockstep cores, ECC memory, challenge-response watchdog, plausibility checks and defined safe states that achieve the diagnostic coverage ISO 26262 hardware metrics demand"?
Senior
A.AUTOSAR Adaptive
B.Safety mechanisms
C.UDS ISO 14229
D.ISO 26262 ASIL
Answer + AI explanation with Pro
27. Which statement is correct?
Senior
A.Safety mechanisms — shift from 70–100 distributed controllers to domain and zonal controllers with a central compute unit, linked by automotive Ethernet and CAN FD
B.Safety mechanisms — automotive safety integrity levels A to D assigned from severity, exposure and controllability of a hazard, with QM meaning no safety requirement applies
C.Safety mechanisms — ISO 26262 requirement that lower-ASIL software cannot corrupt higher-ASIL functions, achieved with MPU memory partitioning, timing monitoring and end-to-end protection
D.Safety mechanisms — lockstep cores, ECC memory, challenge-response watchdog, plausibility checks and defined safe states that achieve the diagnostic coverage ISO 26262 hardware metrics demand
Answer + AI explanation with Pro
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