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I applied via Recruitment Consulltant and was interviewed in Nov 2021. There was 1 interview round.
Mesh network is a decentralized network topology where each node can communicate with other nodes directly.
Mesh networks are self-healing and can continue to operate even if one or more nodes fail.
They are used in IoT devices, smart homes, and industrial automation.
Mesh networks can also be used in disaster management and military operations.
Examples of mesh networks include Zigbee, Thread, and Bluetooth Mesh.
IoT stands for Internet of Things. MQTT is a lightweight messaging protocol for IoT.
IoT refers to the network of physical devices, vehicles, home appliances, and other items embedded with electronics, software, sensors, and connectivity.
MQTT (Message Queuing Telemetry Transport) is a publish-subscribe messaging protocol designed for IoT devices with limited processing power and bandwidth.
MQTT uses a broker to handle me...
The software process involves planning, designing, coding, testing, and maintenance. Certifications like IEEE and ISO are applicable.
The software process starts with planning and requirements gathering.
Designing involves creating a blueprint of the software.
Coding is the implementation of the design.
Testing is done to ensure the software meets the requirements.
Maintenance involves fixing bugs and updating the software.
...
I applied via Recruitment Consulltant and was interviewed in Jun 2024. There were 2 interview rounds.
Compilation process in C involves preprocessing, compiling, assembling, and linking.
Preprocessing: Includes header files, macro expansions, and conditional compilation.
Compiling: Translates source code to assembly code specific to the target architecture.
Assembling: Converts assembly code to machine code in object files.
Linking: Combines object files and libraries to generate an executable file.
Function pointer syntax allows for storing the address of a function in a pointer variable.
Syntax: return_type (*pointer_name)(parameters)
Example: void (*funcPtr)(int) = &someFunction;
Reverse a given string
Use a loop to iterate through the characters of the string
Swap the characters from start to end of the string
Continue swapping until reaching the middle of the string
I applied via Naukri.com and was interviewed in Jun 2024. There were 3 interview rounds.
Basic questions on C such as storage classes, pointers and more.
For coding, I was asked to write a LinkedList using C and insert a node in the LinkedList. Very straight forward.
Experience with MQTT protocol for communication in IoT devices.
Developed firmware using MQTT protocol for real-time communication
Implemented MQTT client libraries in embedded systems
Worked on MQTT topics, QoS levels, and message retention policies
I applied via Naukri.com and was interviewed in Apr 2024. There were 2 interview rounds.
SIL (Safety Integrity Level) is required after MIL (Military) to ensure that safety-critical systems meet specific safety requirements.
SIL is a measure of the reliability of a system in performing a safety function.
It is used in industries such as automotive, aerospace, and medical devices to ensure safety.
MIL standards focus on military requirements, while SIL standards focus on safety requirements.
For example, in med...
I applied via LinkedIn and was interviewed in Aug 2023. There were 3 interview rounds.
Basics like converting decimal number to binary.
Embedded C or C++ coding questions
I applied via Campus Placement
There were questions covering all the topic of the aptitude sections, prepare well
Hacker Rank was used as a coding platform consisting of 15 questions
I applied via Recruitment Consulltant and was interviewed in May 2022. There were 2 interview rounds.
TCS
Accenture
Wipro
Cognizant