Locked In: Prep for Net+

CompTIA Network+ N10-009 in ten-minute lessons, with timed practice and spaced review. Works with no signal, no account.

Locked-In is an independent study companion for the Network+ N10-009 exam. It is designed for short, focused study sessions and works without an account, ads, analytics, or third-party tracking.

STUDY CONTENT • 76 lessons across all five N10-009 domains • 76 inline quick checks, one at the end of every lesson • Visual explanations for selected concepts including OSI, subnetting, VLANs, routing, DNS, DHCP, wireless, security, and troubleshooting • 102 flashcards with spaced review • A searchable glossary with 89 terms • Search, progress tracking, study streaks, bookmarks, and personal notes

PRACTICE • 106 original multiple-choice questions organized by domain • 16 tap-driven PBQ-style activities for categorizing, ordering, and matching • A 90-question, 90-minute timed practice mode with checkpointing, flag-for-review, a navigation grid, and results review • A weak-spot review queue that reschedules missed questions and flashcards

The timed practice and PBQ-style activities are original app content. They are not official CompTIA questions, a reproduced exam blueprint, or an exam simulation. The app uses an 80% practice target; this is not a CompTIA scaled score or a claim about the passing standard.

FREE TO TRY The free tier includes 14 complete lessons, quizzes of up to 10 questions, 27 Domain 1 flashcards, two PBQ-style preview activities, the complete 89-term glossary, and on-device progress tools.

ONE-TIME FULL UNLOCK The non-consumable Locked-In Full Unlock opens all 76 lessons, larger quizzes using the full 106-question bank, all 16 PBQ-style activities, all 102 flashcards, and the 90-question timed practice mode. There is no subscription. Family Sharing is enabled for the purchase.

OFFLINE AND PRIVATE Lessons, questions, activities, flashcards, glossary content, notes, and progress are bundled and stored on-device. Product loading, buying, and restoring use Apple's App Store services and require a network connection.

DISCLAIMER Not affiliated with, endorsed by, or sponsored by CompTIA. CompTIA® and Network+® are registered trademarks of CompTIA, Inc. Locked-In is an independent study aid. Always verify current exam policies and objectives with CompTIA.