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Get Linux Device Drivers Certificate from MachineLearning.org.in which you can share in the Certifications section of your LinkedIn profile, on printed resumes, CVs, or other documents.
Exam Details:
- Format: Multiple Choice Question
- Questions: 10
- Passing Score: 8/10 or 80%
- Language: English
Question 1: Which kernel subsystem is responsible for managing and controlling device drivers in Linux?
- Process Management
- I/O Management
- Device Filesystem
- Driver Core
Question 2: What does the acronym “GPIO” stand for in the context of Linux device drivers?
- General Purpose Input/Output
- Graphics Processing and Input/Output
- Grouped Peripheral Input/Output
- Global Productivity Interface Output
Question 3: Which kernel module API is used to register a character device driver?
- dev_register
- char_register
- register_chrdev
- create_chardev
Question 4: Which kernel data structure represents a physical or virtual device that is managed by a device driver?
- Proc
- Node
- Device Tree
- Device Object
Question 5: In the context of Linux kernel modules, what is the purpose of the “module_init” macro?
- It initializes the module’s internal data structures.
- It specifies the initialization function to be called when the module is loaded.
- It provides information about the module’s license.
- It defines the module’s version number.
Question 6: Which syscall is used by user-space programs to communicate with device drivers?
- Ioctl
- Devctl
- Sysioctl
- Devcmd
Question 7: Which kernel mechanism is used to manage power state transitions of devices to optimize energy consumption?
- Device Power Manager
- Energy Control Subsystem
- ACPI (Advanced Configuration and Power Interface)
- Power Management Unit
Question 8: In Linux, which of the following is NOT a common character device file?
- /dev/tty
- /dev/sda
- /dev/null
- /dev/random
Question 9: Which type of Linux device driver provides an interface to virtual devices, often used for inter-process communication?
- Network Driver
- Virtual I/O Driver
- TTY Driver
- Block Driver
Question 10: Which command is used to load a kernel module into the running Linux kernel?
- Modadd
- Insmod
- Loadmod
- Kernload
