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220-1102 Practice Question: An iOS user is concerned about a lost iPhone and…
An iOS user is concerned about a lost iPhone and wants to ensure that if the device is erased, it cannot be reactivated without their Apple ID and password. Which iOS security feature provides this protection?
⚠ Common exam trap
The trap is conflating 'find/locate' features (Find My iPhone, Lost Mode) with 'anti-reactivation' protection — only Activation Lock, enabled by Find My iPhone, prevents a wiped device from being reused.
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
✓
Activation Lock, enabled by Find My iPhone.
Activation Lock is the iOS feature that binds a device to the owner's Apple ID, so after an erase the device cannot be reactivated without entering the original Apple ID credentials. It is automatically enabled when Find My iPhone is turned on, which is why the correct answer pairs the two. This directly satisfies the user's requirement that a wiped device remain unusable to a thief.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Find My iPhone location tracking.
Why it's wrong here
Find My iPhone location tracking primarily serves to pinpoint the device's geographical position on a map and can play a sound to help locate it nearby. While crucial for recovery, this feature alone does not prevent an unauthorized user from performing a factory reset on the device and subsequently reactivating it with their own Apple ID, rendering it usable to them. It's a tracking tool, not a reactivation deterrent.
- ✓
Activation Lock, enabled by Find My iPhone.
Why this is correct
Activation Lock is a robust anti-theft feature automatically enabled when Find My iPhone is active on an iOS device. This security measure links the device's hardware to the owner's Apple ID, requiring that specific Apple ID and password to erase the device, turn off Find My, or reactivate it after a factory reset. It effectively renders a stolen iPhone useless to anyone but the original owner, significantly deterring theft.
- ✗
iCloud Keychain with two-factor authentication.
Why it's wrong here
iCloud Keychain is designed to securely store passwords, credit card information, and Wi-Fi network credentials, synchronizing them across a user's trusted Apple devices. While two-factor authentication enhances the security of the Apple ID itself, protecting access to the stored data, neither iCloud Keychain nor 2FA directly prevents a lost or stolen iPhone from being wiped and reactivated by an unauthorized individual with their own Apple ID, assuming Activation Lock is not engaged.
- ✗
Lost Mode in the Find My app.
Why it's wrong here
Lost Mode, a feature within the Find My app, allows the owner to remotely lock their device with a passcode, display a custom message with contact information on the lock screen, and track its location. It also disables Apple Pay. However, Lost Mode does not prevent a determined thief from performing a factory reset on the device, which would remove the passcode and custom message, allowing them to attempt reactivation without the original Apple ID if Activation Lock were somehow bypassed or not enabled.
Go deeper
Related to this question
Learn chapter
SOHO Router Security Configuration
Key term
iOS
iOS is Apple's mobile operating system that powers iPhones and iPads, providing a secure and user-friendly platform for apps and services.
Key term
Security
Security in IT is the practice of protecting systems, networks, and data from unauthorized access, damage, or theft.
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official CompTIA exam blueprint
This 220-1202 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 220-1202 exam.