Final answer:
Strong internet connection is NOT a possible cause for file sync issues.
Step-by-step explanation:
The correct answer is 4) Strong internet connection.
File sync issues can occur due to various reasons, such as:
- Incorrect network settings: If the network settings are not properly configured, it can lead to communication problems between devices, affecting file sync.
- Insufficient storage space: If the device doesn't have enough storage space, it may not be able to sync the files properly.
- Server downtime: If the server responsible for file syncing is down, it will prevent successful synchronization.
- Strong internet connection: This is not a cause of file sync issues. A strong internet connection is essential for smooth and successful file syncing.
Make sure to check the other factors mentioned to troubleshoot file sync issues.