Answer:
The correct answer is d) All of these are correct.
Explanation:
ETL stands for Extract, Transform and Load. An ETL system extracts data from the sources, enforces data quality and consistency standards, conforms data so that separated and maybe unrelated sources can be used together, and as a final step delivers data in presentation-ready formats so that developers can build applications and end users can take decisions.
Answer:
A. Source code
Explanation:
In the field of Programming; Source code is the code written in high level language given to the computer to translate to machine - executable code before executing. It is usually written and understood by human. It is closer to human like language, as it allows easier expression. It is mostly consist of english-like statement.
So, Erik would primarily be writing source code when performing his daily tasks since his daily task require high level of computer programming and internet knowledge.
Answer:b)via radio signals
Explanation: Machine-to-machine technology is the technology that helps in sharing of the real time information of the device that have embedded sensor.They can work without the help of the manual factors.
The data is shared through the help of the radio signals in the devices like turbines vending machines etc for the tracking purpose and managing.
Thus the other options are incorrect because short distance is a disttance, cloud services are for the collection of services and databases contains the data. So, the correct option is option (b).
The answer would be Assembly language as assembly language is not used for web development, but rather is a low level programming language.
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