Locked In: Prep for Net+

Study five N10-009 domains in bite-sized lessons, with diagrams for OSI, subnetting, VLANs, routing, and Wi-Fi, plus PBQ-style activities and timed knowledge practice.

Locked-In is an offline knowledge companion for the CompTIA Network+ N10-009 exam. It is built for short, focused study sessions and pairs lessons with original practice so you can review concepts and identify weak areas.

WHAT'S INCLUDED

• Lessons across all five N10-009 study domains • Visual explanations for OSI, subnetting, VLANs, STP, OSPF, DHCP, DNS, NAT, wireless networking, PoE, and more • Inline quick-checks at the end of lessons • More than 90 original multiple-choice questions, organized by domain and difficulty • Interactive PBQ-style activities for categorizing, ordering, and matching; these are not official CompTIA questions or an exam simulation • A 90-question, 90-minute randomized multiple-choice knowledge-practice mode with flagging and final review; it is not an official blueprint-weighted mock exam or readiness predictor • Flashcards with spaced repetition and a searchable glossary • Progress tracking, study streaks, bookmarks, personal notes, and weak-spot review

STUDY ON YOUR TERMS

The app works offline, requires no account, and contains no ads or third-party tracking. A single optional, one-time purchase unlocks the complete study library. There is no subscription.

IMPORTANT

Exam objectives and policies can change. Always compare your study plan with CompTIA's latest published N10-009 objectives and use hands-on practice and current training materials alongside this app.

DISCLAIMER

Locked-In contains original independent study material, not real or copied exam questions. It is not affiliated with, endorsed by, or sponsored by CompTIA. CompTIA and Network+ are registered trademarks of CompTIA, Inc.