easyMultiple Choice
200-201 Practice Question: Which Windows registry hive contains…
Which Windows registry hive contains user-specific configuration settings that can be modified by applications?
⚠ Common exam trap
Many exam-takers confuse HKEY_CURRENT_USER with HKEY_LOCAL_MACHINE, assuming all configuration settings are system-wide, but Cisco tests the distinction that per-user application settings are stored in HKCU, not HKLM.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
HKEY_CURRENT_USER
HKEY_CURRENT_USER (HKCU) is the correct answer because it stores user-specific configuration settings, such as desktop preferences, environment variables, and application settings, that are loaded from the NTUSER.DAT file when a user logs in. Applications modify this hive to persist per-user customizations, making it the primary location for user-level registry changes.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
HKEY_CLASSES_ROOT
Why it's wrong here
HKEY_CLASSES_ROOT stores file extension associations and COM class registration, mapping file types to handlers rather than holding user configuration values. It is tempting because applications do write to it, and it would be correct for resolving which program opens a given file type, but user-specific settings such as preferences live under HKEY_CURRENT_USER.
- ✗
HKEY_LOCAL_MACHINE
Why it's wrong here
HKEY_LOCAL_MACHINE contains computer-wide configuration applying to all users, so it does not hold the per-user settings applications modify for an individual. It is tempting because it is the largest and most frequently edited hive, and it would be correct for machine-level service and driver configuration, but user-specific values belong in HKEY_CURRENT_USER.
- ✓
HKEY_CURRENT_USER
Why this is correct
HKEY_CURRENT_USER stores the per-user profile configuration, including application settings, mapped drives and desktop preferences, loaded from the user's NTUSER.DAT file at sign-in. It satisfies the stem's requirement for user-specific settings that applications can modify, unlike machine-wide hives such as HKEY_LOCAL_MACHINE.
- ✗
HKEY_USERS
Why it's wrong here
HKEY_USERS holds the profiles of all loaded user accounts, including the default profile template, rather than the currently signed-in user's live settings that applications read and write. It is tempting because it does contain user-specific data, and it would be correct for enumerating every loaded user hive, but per-user application configuration resides in HKEY_CURRENT_USER.
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Senior Network & Security Engineer · founder of Courseiva
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