Working with a IoT application

Imagine an IoT application that has the source code as shown below for displaying files.


print(enter file name);


system(“cat $file”);


Which of these inputs should be provided to this device to delete all files in the root directory?

1. robot.txt

2. root rf

3. ‘a.txt; rm -rf /; ‘ “

4. a.txt’; ls /;

Skills Covered

  • Application Security
  • IoT applications
  • IT-Web Development


  • Fundamentals

Question Type

  • MCQs(Single Correct)

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