easyMultiple ChoiceObjective-mapped
220-1201 Practice Question: A customer complains that their iOS device's…
A customer complains that their iOS device's calendar app no longer syncs with their work Exchange account after a recent iOS update. Other email and contacts sync correctly. What is the most likely cause?
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
✓
The calendar app needs to be re-authorized for the Exchange account.
This scenario focuses on app-specific sync issues after an OS update. The most common cause is that the app's permissions or account settings were reset during the update, requiring re-authorization or re-configuration of the Exchange account within the calendar app.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The Exchange server is down.
Why it's wrong here
If the Exchange server were truly experiencing an outage, all synchronized services associated with that account, including email and contacts, would be inaccessible on the iOS device. Since the customer reports that email and contacts are functioning correctly, the problem is not a complete server failure. This indicates a more localized issue specific to the calendar service's interaction with the device, rather than a global server unavailability.
- ✗
The iOS update removed the Exchange account from the device.
Why it's wrong here
iOS updates are designed to preserve user data and account configurations, making it highly improbable for an update to completely remove an entire Exchange account from the device's settings. While an update might reset specific app permissions or require re-authentication for security purposes, the core account setup typically remains intact. Users would usually be prompted to re-enter credentials or re-enable services, not find the account entirely deleted.
- ✓
The calendar app needs to be re-authorized for the Exchange account.
Why this is correct
After an iOS update, system security and privacy settings can sometimes reset or revoke specific permissions granted to applications, including the native Calendar app's access to external accounts like Exchange. This often necessitates navigating to the device's Settings, locating the Exchange account, and explicitly re-enabling calendar synchronization. Re-authorizing ensures the app has the necessary permissions to fetch and display calendar data from the server.
- ✗
The calendar app is corrupted and must be reinstalled.
Why it's wrong here
The native iOS Calendar app is a core system application that cannot be uninstalled and reinstalled by a user through standard means, unlike third-party applications from the App Store. Furthermore, if the app itself were corrupted, it would likely manifest across all calendar functions and accounts configured on the device, not just selectively affect a single Exchange account. This specific symptom points away from general application corruption.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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