Unit 1: Windows Operating System Fundamentals and Architecture - Practice Quiz

CSC104 — It Fundamentals 60 Questions
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1 What is the primary role of the Windows operating system?

Introduction to the Windows operating system Easy
A. Design processors and memory chips
B. Create websites and host domains
C. Replace all installed device drivers
D. Manage hardware and run applications

2 Which Windows edition is primarily designed for typical home users?

Windows editions and versions Easy
A. Windows Enterprise
B. Windows Home
C. Windows Server
D. Windows Education

3 Which Windows edition commonly includes business features such as BitLocker and domain joining?

Windows editions and versions Easy
A. Windows Pro
B. Windows Home
C. Windows Mobile
D. Windows Starter

4 Which Windows interface element provides access to applications, settings, and power options?

User interface and system navigation Easy
A. Title bar
B. Start menu
C. Scroll bar
D. Status bar

5 Which Windows tool is mainly used to browse files and folders?

User interface and system navigation Easy
A. File Explorer
B. Task Scheduler
C. Registry Editor
D. Event Viewer

6 Which file system is normally preferred for modern internal Windows drives?

File system hierarchy (NTFS, FAT32) Easy
A. FAT32
B. ext4
C. NTFS
D. FAT16

7 What is a well-known limitation of FAT32?

File system hierarchy (NTFS, FAT32) Easy
A. A drive cannot exceed 4 MB
B. A single file cannot exceed 4 GB
C. A filename cannot exceed 4 letters
D. A folder cannot contain 4 files

8 Which folder commonly contains the main Windows operating system files?

System folders and environment variables Easy
A. C:\Public
B. C:\Users
C. C:\Temp
D. C:\Windows

9 Which environment variable usually refers to the current user's profile folder?

System folders and environment variables Easy
A. %PATHEXT%
B. %COMSPEC%
C. %USERPROFILE%
D. %SYSTEMROOT%

10 What is a main responsibility of the Windows kernel?

Overview of Windows architecture: kernel, services, and drivers Easy
A. Manage core system resources
B. Edit user documents
C. Create spreadsheet formulas
D. Browse internet pages

11 What does a Windows device driver primarily do?

Overview of Windows architecture: kernel, services, and drivers Easy
A. Displays website search results
B. Stores personal user documents
C. Enables communication with hardware
D. Compresses every installed program

12 What is a Windows service?

Overview of Windows architecture: kernel, services, and drivers Easy
A. A document opened in an application
B. A file copied to the Recycle Bin
C. A program that runs in the background
D. A shortcut stored on the desktop

13 Which tool shows running applications and their CPU and memory usage?

Task Manager and Resource Monitor usage Easy
A. Task Manager
B. File Explorer
C. Disk Cleanup
D. Control Panel

14 Which tool provides detailed information about CPU, memory, disk, and network activity?

Task Manager and Resource Monitor usage Easy
A. Resource Monitor
B. Notepad
C. Character Map
D. Paint

15 What is a process in Windows?

Managing processes, threads, and memory Easy
A. A permanent section of a drive
B. A collection of desktop shortcuts
C. An instance of a running program
D. A physical part of the processor

16 What is a thread within a Windows process?

Managing processes, threads, and memory Easy
A. A unit of program execution
B. A type of storage partition
C. A category of user account
D. A format for system logs

17 What does the Windows Registry store?

Understanding Windows Registry structure, hives, and keys Easy
A. System and application settings
B. Only deleted user documents
C. Physical hardware components
D. Only downloaded media files

18 Which Registry hive contains settings for the currently signed-in user?

Understanding Windows Registry structure, hives, and keys Easy
A. HKEY_CURRENT_CONFIG
B. HKEY_LOCAL_MACHINE
C. HKEY_CURRENT_USER
D. HKEY_CLASSES_ROOT

19 Which command-line tool uses cmdlets such as Get-Process?

Introduction to command-line tools (CMD, PowerShell) Easy
A. PowerShell
B. Event Viewer
C. File Explorer
D. Command Prompt

20 Which Windows command displays detailed operating system and computer information?

System information commands Easy
A. mkdir
B. rename
C. cls
D. systeminfo

21 A user account can run standard applications but receives a User Account Control prompt when changing system-wide settings. Which Windows design principle is being applied?

Introduction to the Windows operating system Medium
A. Virtual memory paging
B. Least-privilege access
C. File system journaling
D. Preemptive multitasking

22 A small company needs Windows computers to join an Active Directory domain and use Group Policy. Which edition is the most appropriate minimum choice?

Windows editions and versions Medium
A. Windows Home configured with local accounts, shared folders, and manually synchronized settings
B. Windows SE
C. Windows Pro
D. Windows Home

23 An application window is unresponsive, but the Start menu still works. Which keyboard shortcut provides direct access to security options, including Task Manager?

User interface and system navigation Medium
A. Alt+Tab
B. Ctrl+Shift+S
C. Ctrl+Alt+Delete
D. Windows+E

24 A technician must store a 7 GB disk image on a removable drive while keeping the drive compatible with many older devices. The drive currently uses FAT32. What is the immediate technical limitation?

File system hierarchy (NTFS, FAT32) Medium
A. FAT32 cannot store an individual file larger than 4 GB
B. FAT32 cannot be used on removable storage larger than 2 GB
C. FAT32 encrypts removable files and requires a recovery certificate before another device can read them
D. FAT32 prevents disk image files from being copied

25 A department needs different users to have different permissions on folders stored on an internal Windows drive. Which file system should be selected?

File system hierarchy (NTFS, FAT32) Medium
A. NTFS
B. FAT16
C. ISO 9660
D. FAT32

26 A script must open the current user's profile folder without assuming a username or drive letter. Which environment variable should it use?

System folders and environment variables Medium
A. %PROGRAMDATA%
B. %SYSTEMROOT%
C. %TEMP%
D. %USERPROFILE%

27 An administrator needs an application to store configuration shared by every user without placing it inside a specific user's profile. Which location is most appropriate?

System folders and environment variables Medium
A. %USERPROFILE%
B. %PROGRAMDATA%
C. %LOCALAPPDATA%
D. %APPDATA%

28 After a new storage driver is installed, Windows crashes during startup before users can sign in. Which explanation is most likely?

Overview of Windows architecture: kernel, services, and drivers Medium
A. The driver runs only inside File Explorer
B. The driver runs with kernel-level privileges
C. The driver is stored in the user profile
D. The driver is controlled exclusively by Task Scheduler

29 A background component must start before any user signs in and continue running when users sign out. Which Windows component type best fits this requirement?

Overview of Windows architecture: kernel, services, and drivers Medium
A. Windows service
B. File Explorer extension
C. Desktop shortcut
D. User startup application

30 Task Manager shows high disk usage, but the responsible application is unclear. Which tool is best for identifying the processes and files generating disk activity?

Task Manager and Resource Monitor usage Medium
A. Registry Editor
B. System Configuration
C. Disk Cleanup
D. Resource Monitor

31 A computer signs in slowly because several nonessential applications launch automatically. Which Task Manager section should be examined first?

Task Manager and Resource Monitor usage Medium
A. Startup apps
B. App history
C. Details
D. Users

32 A process is using 25% CPU on a computer with four logical processors while the other applications are nearly idle. What does this most likely indicate?

Managing processes, threads, and memory Medium
A. The process has reserved 25% of physical memory
B. One execution thread is fully using one logical processor
C. Four execution threads are each using one logical processor
D. One execution thread has permanently disabled the remaining three processors through processor affinity settings

33 A system has little available physical RAM, but applications continue running as Windows moves inactive memory pages to disk. Which mechanism is being used?

Managing processes, threads, and memory Medium
A. Driver signing
B. File compression
C. Virtual memory
D. Process affinity

34 A technician ends a process in Task Manager. What normally happens to the threads owned by that process?

Managing processes, threads, and memory Medium
A. They move into the kernel process
B. They remain active until the next restart
C. They are terminated with the process
D. They become independent services

35 An administrator needs to change a setting that applies to every user of a computer. Which Registry hive is the most appropriate place to inspect?

Understanding Windows Registry structure, hives, and keys Medium
A. HKEY_CURRENT_CONFIG
B. HKEY_LOCAL_MACHINE
C. HKEY_CURRENT_USER
D. HKEY_CLASSES_ROOT

36 A preference must apply only to the user who is currently signed in. Under which Registry hive should the application normally store it?

Understanding Windows Registry structure, hives, and keys Medium
A. HKEY_LOCAL_MACHINE
B. HKEY_CURRENT_USER
C. HKEY_PERFORMANCE_DATA
D. HKEY_CURRENT_CONFIG

37 An administrator wants to list running processes as structured objects that can be filtered by CPU usage. Which command is most suitable?

Introduction to command-line tools (CMD, PowerShell) Medium
A. ipconfig /all
B. Get-Process
C. reg query
D. dir /s

38 A PowerShell command produces many objects, and the administrator wants only those whose Status property equals Running. Which pipeline component should be used?

Introduction to command-line tools (CMD, PowerShell) Medium
A. Format-Wide
B. Write-Output
C. Where-Object
D. Read-Host

39 A support technician needs the Windows version, installation date, system model, installed memory, and recent boot time in one command. Which command is most appropriate?

System information commands Medium
A. hostname
B. systeminfo
C. tasklist
D. whoami

40 A Windows service failed to start during boot. In Event Viewer, which log should an administrator examine first?

System logs via Event Viewer Medium
A. System log
B. Security log
C. Application log
D. Forwarded Events log

41 A company must configure Windows laptops to join an on-premises Active Directory domain, receive Group Policy, and host incoming Remote Desktop sessions. Which minimum edition satisfies all three requirements without an edition upgrade?

Windows editions and versions Hard
A. Windows Pro
B. Windows Home in S mode
C. Windows SE
D. Windows Home

42 An interactive application becomes unresponsive, but the mouse pointer still moves, other applications work, and the system continues servicing network requests. Which conclusion is best supported?

Introduction to the Windows operating system Hard
A. The entire Windows kernel has deadlocked
B. The application's UI thread is blocked
C. The computer has exhausted all physical memory and can no longer schedule any thread
D. The display driver has stopped permanently

43 An administrator needs to open a user's Documents known folder reliably on systems where Windows is installed on different drives and the folder may have been redirected to a network location. Which method is most robust?

User interface and system navigation Hard
A. Search every fixed drive for a directory whose displayed name is Documents
B. Open C:\Users\%USERNAME%\Documents
C. Use the shell known-folder identifier for Documents
D. Open %USERPROFILE%\Documents

44 A file with a custom NTFS access control list is moved from C:\Restricted to C:\Public on the same NTFS volume by using File Explorer. Assuming no application explicitly rewrites its permissions, what normally happens?

File system hierarchy (NTFS, FAT32) Hard
A. It inherits only the destination permissions
B. It loses all explicit access control entries
C. It retains its existing access control list
D. It is converted to FAT32-compatible permissions while Windows stores a separate backup copy of the original descriptor

45 A 6 GiB disk image cannot be copied to an otherwise empty 64 GiB USB drive formatted as FAT32. Which explanation and remedy are correct?

File system hierarchy (NTFS, FAT32) Hard
A. Windows blocks images larger than 4 GiB only on removable media; changing the drive policy resolves it
B. FAT32 limits each directory to 4 GiB; creating a second directory resolves it
C. FAT32 reserves half the volume for metadata; compressing the directory resolves it
D. FAT32 limits one file to just under 4 GiB; reformatting as NTFS or exFAT resolves it

46 A 64-bit Windows installation contains both System32 and SysWOW64. A 32-bit process requires the normal 32-bit system DLL set. Which statement is accurate?

System folders and environment variables Hard
A. System32 contains 64-bit DLLs, while SysWOW64 contains 32-bit DLLs
B. System32 contains 32-bit DLLs, while SysWOW64 contains 64-bit DLLs
C. SysWOW64 contains compatibility DLLs only when Hyper-V is enabled for the operating system
D. Both folders contain identical DLLs, and NTFS selects their bitness from metadata

47 A parent process changes its own TEMP environment variable after starting a child process. No interprocess communication or registry update occurs. What value does the already-running child normally observe?

System folders and environment variables Hard
A. The parent's new value immediately
B. The original value inherited at process creation
C. The machine-level value only
D. An empty value until the child restarts the Windows Environment service

48 A faulty third-party application crashes but Windows remains stable; a faulty kernel-mode driver instead causes a bug check. Which architectural distinction best explains the difference?

Overview of Windows architecture: kernel, services, and drivers Hard
A. Applications execute only on efficiency cores, while drivers execute only on performance cores
B. Drivers receive a separate physical-memory partition that is automatically discarded whenever an invalid pointer is detected
C. Applications use isolated user-mode address spaces, while drivers may execute with kernel privileges
D. Applications are interpreted by Explorer, while drivers are compiled directly by the Registry service

49 Several Windows services appear inside one svchost.exe process. One hosted service is consuming CPU. Why is terminating the entire process a poor first response?

Overview of Windows architecture: kernel, services, and drivers Hard
A. It forces all device drivers into user mode
B. It can terminate multiple services sharing that host
C. It rewrites the service executable paths so they point to the terminated process identifier
D. It permanently removes every hosted service registration

50 On a system with eight equally capable logical processors, one single-threaded CPU-bound process fully occupies one logical processor while the others are idle. Approximately what total CPU utilization should Task Manager report, ignoring background work?

Task Manager and Resource Monitor usage Hard
A. 6.25%
B. 50%
C. 12.5%
D. 100%

51 Resource Monitor shows a high rate of hard faults for a process. Which interpretation is technically correct?

Task Manager and Resource Monitor usage Hard
A. Pages must be retrieved from disk because they are not currently in physical memory
B. The CPU has detected defective RAM cells assigned to the process
C. The process has generated unrecoverable access violations
D. The storage device has reported hardware errors, and Resource Monitor has automatically reassigned the affected sectors

52 A process has one blocked UI thread and several worker threads that continue completing requests. Which action most directly explains why the window appears frozen even though process-level CPU and I/O remain active?

Managing processes, threads, and memory Hard
A. The UI thread is not dispatching its window message queue
B. The process working set has been locked entirely in physical memory by the active worker threads
C. The kernel has converted the process into a background service
D. The worker threads have inherited the UI thread's process identifier

53 Two processes map the same DLL pages into memory. Which metric is most likely to overstate the total unique physical memory consumed if the values are simply added across both processes?

Managing processes, threads, and memory Hard
A. Process identifier
B. Thread count
C. Working set
D. Base priority

54 For a normally logged-on user with SID S-1-X, HKEY_CURRENT_USER primarily acts as a convenient view of which Registry location?

Understanding Windows Registry structure, hives, and keys Hard
A. HKEY_LOCAL_MACHINE\S-1-X
B. HKEY_CURRENT_CONFIG\S-1-X
C. HKEY_USERS\S-1-X
D. HKEY_CLASSES_ROOT\S-1-X

55 A file association is defined machine-wide, but the current user has a conflicting per-user association. When an application reads the merged HKEY_CLASSES_ROOT view, which setting normally takes precedence?

Understanding Windows Registry structure, hives, and keys Hard
A. The per-user class registration
B. The registration whose executable has the highest requested execution level in its application manifest
C. The registration with the newest timestamp
D. The machine-wide class registration

56 A 32-bit configuration utility and a 64-bit utility access what appears to be the same path under HKLM\Software, but they observe different values. What is the most likely cause?

Understanding Windows Registry structure, hives, and keys Hard
A. WOW64 Registry redirection provides separate logical views
B. The Registry service stores every 32-bit value in HKEY_CURRENT_CONFIG until the next system restart
C. NTFS permissions duplicate Registry keys per executable
D. User Account Control encrypts values written by 32-bit processes

57 Why can Get-Process | Where-Object CPU -gt 100 filter processes without parsing formatted text, whereas an equivalent CMD pipeline usually requires text-processing logic?

Introduction to command-line tools (CMD, PowerShell) Hard
A. CMD converts each process into a temporary service before passing it to the next executable in the pipeline
B. PowerShell passes structured objects through its pipeline
C. CMD pipelines pass serialized .NET objects between programs
D. PowerShell stores command output exclusively in the Registry

58 An administrator needs a script-friendly PowerShell result containing operating-system details, BIOS information, and hardware properties as named fields rather than a formatted text report. Which command is the best fit?

System information commands Hard
A. msinfo32 /nfo report.nfo, followed by opening the generated report interactively in System Information
B. winver
C. ver
D. Get-ComputerInfo

59 A system restart occurred unexpectedly. Event Viewer contains Kernel-Power event ID 41. What can be concluded from that event alone?

System logs via Event Viewer Hard
A. The power supply unit has been proven defective
B. Windows detected that the previous shutdown was not clean
C. Windows measured an external power interruption and recorded its exact electrical duration in the event payload
D. A kernel-mode driver has been identified as the root cause

60 An administrator must find events from provider Service Control Manager with event ID 7031, but only within the System log. Which filtering approach is most precise?

System logs via Event Viewer Hard
A. Search all logs for the text 7031
B. Sort every Windows log by timestamp and inspect each message whose description contains the word service
C. Filter the System log by provider and event ID
D. Filter the Application log by Critical level