Apple Platforms (watchOS, iPadOS, visionOS).

Multi-device breadth across Apple's non-iPhone platforms: bonus range, not a core climb. Covers 3 sub-skills.

• Apple Platforms (watchOS, iPadOS, visionOS) · 1 of 3

  visionOS & Spatial Computing

  You attach the .defaultSize(width:height:depth:) modifier to a WindowGroup on visionOS. What does this value specify?

  AThe fixed size the window is locked to, preventing the person from resizing it at allBThe maximum size the window is ever allowed to reach during the running sessionCThe minimum size below which window content is hidden and replaced by a placeholderDThe size the window opens at initially, which the person can still resize afterward

• Apple Platforms (watchOS, iPadOS, visionOS) · 2 of 3

  watchOS & Wearables

  On the iPhone side, what does the isPaired property of the active WatchConnectivity session report?

  AWhether the user has granted the connectivity background-refresh permission for this appBWhether the iPhone is currently paired with an Apple Watch device at this moment in timeCWhether the most recent file transfer to the watch finished without producing any errorDWhether the watch app is presently in the foreground and ready to handle a live message

• Apple Platforms (watchOS, iPadOS, visionOS) · 3 of 3

  watchOS & Wearables

  A running-pace tracker on the wrist must keep a live timer and distance display updating every second while the user runs, even when the arm drops and the display dims. Which platform feature grants that continuous foreground time during exercise?

  AA queued user-info transfer loop, which only moves data to the phone and grants no extra foreground timeBA repeating background refresh task, which is throttled to occasional wakeups far apart from each otherCA workout session through HealthKit, which keeps the app running in an always-on extended-runtime stateDA standard timer on the main run loop, which the system suspends the instant the wrist drops and dims