WGU D386 Pre-Assessment Questions with Verified Solutions

WGU D386 Pre-Assessment Questions with Verified Solutions 1. **Which specific component of a hard disk drive is responsible for storing the actual data?** - **Answer:** Platters 2. **What key benefit do solid-state drives (SSD) offer over hard disk drives (HDD)?** - **Answer:** Faster Data Transfer 3. **How do computers ensure that the main central processing unit (CPU) is not overloaded with programmed I/O (PIO)?** - **Answer:** By offloading to Direct Memory Access (DMA) Controller 4. **What problem does the implementation of a file system address?** - **Answer:** Logical Structure for storing and organizing files on a storage device 5. **What is the primary purpose of the file system interface?** - **Answer:** To provide a way for the system to access and use files. 6. **Among the various components of a motherboard, which one specifically supports slower onboard peripherals?** - **Answer:** Southbridge 7. **Which type of cache memory is the smallest yet fastest?** - **Answer:** L1 8. **Which memory type, stored on a drive, is commonly referred to as a paging file?** - **Answer:** VRAM 9. **Which memory type is notable for its independence from the CPU's external clock?** - **Answer:** Asynchronous DRAM 10. **Which memory type synchronizes with the computer's system-bus clock?** - **Answer:** Synchronous DRAM 11. **What does the operating system primarily utilize to hold its system code and other programs?** - **Answer:** RAM 12. **Can you provide an example of a server operating system?** - **Answer:** Red Hat Enterprise Linux 13. **What essential component of an operating system oversees each process in memory, including decisions on whether to run or wait?** - **Answer:** Process Control Management 14. **Which operating system employs the Bourne-Again shell (bash) scripting tool?** - **Answer:** Linux 15. **Could you cite an example of a system call used by the POSIX API for POSIX-based systems like UNIX, Linux, and macOS?** - **Answer:** Read( )