A: Force close (swipe up from App Switcher) and reopen refreshes the app.

D: Delete and reinstall (from App Store) fixes corruption.

Option B: No “Settings > Apps” path exists on iOS.

Option C: “Relaunch” isn’t a shortcut option.

AirDrop requires both Wi-Fi and Bluetooth. If Bluetooth is off , AirDrop fails as it can’t discover nearby devices.

Option B: AirDrop is built-in, not installed.

Option C: Handoff doesn’t disable AirDrop.

Option D: Hotspot doesn’t affect AirDrop.

The tccutil command in Terminal manages the Transparency, Consent, and Control (TCC) database, controlling app privacy permissions (e.g., camera, microphone). Example: tccutil reset All resets all permissions.

Option B: dscl manages directory services, not privacy.

Option C: ifconfig configures network interfaces.

Option D: Sysadminctl manages system accounts, not TCC.

B: VPN/proxy can block access to Apple’s update servers, preventing detection.

C: MDM can defer updates (e.g., 90 days) on managed devices.

Option A: Signing affects installation, not visibility.

Option D: Backup isn’t required to see updates.

Recovery Lock (MDM feature on supervised Macs) requires entering the recoveryOS password at the Recovery prompt to access macOS Recovery.

Option A: Startup Disk doesn’t handle this.

Option B: Service isn’t needed.

Option D: Bypass Key isn’t a standard term here.

Dismissing a captive portal dialog (e.g., for public Wi-Fi) blocks internet access. Visiting captive.apple.com in a browser reopens the sign-in page.

Option B: MDM isn’t relevant for public Wi-Fi.

Option C: IP tracking doesn’t affect captive portals.

Option D: Private Wi-Fi address doesn’t fix this.

Holding Option and clicking the Wi-Fi menu bar icon reveals advanced options, including “Open Wireless Diagnostics,” which provides detailed network info.

Option B: Regular click shows basic options.

Option C: Right-click doesn’t target SSID for diagnostics.

Option D: Command key doesn’t trigger this.

The system.log file in Console (now unified log in modern macOS) records ongoing system and app events during use.

Option A: Crash Reports detail app crashes.

Option B: Diagnostic Reports are broader but not real-time.

Option C: Spin Reports (older term) aren’t standard.

iCloud backups require the device to be on Wi-Fi, locked, and charging—ensuring minimal disruption.

Option A: Full charge isn’t needed; iCloud Backup is in Settings > [user name] > iCloud .

Option C: Unlocked prevents backup.

Option D: No “General > Backup” path.

A system extension alert requires user approval in System Settings > Privacy & Security . After installation, macOS prompts to allow the extension; selecting “Allow” (and sometimes restarting) enables it if signed by the developer.

Option A: Safe Mode disables extensions; Control Center doesn’t manage them.

Option B: System Information doesn’t notarize extensions.

Option C: Migration Assistant isn’t for updates.