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220-1201 Practice Question: A customer wants to connect a Bluetooth keyboard…
A customer wants to connect a Bluetooth keyboard and mouse to their tablet for a presentation. They ask which accessory is needed to ensure both devices work reliably from across the room. What should you recommend?
⚠ Common exam trap
Many exam-takers confuse adding Bluetooth functionality (via a hub or adapter) with extending range, but the exam tests the understanding that Bluetooth range is limited by radio power and that a repeater is specifically designed to overcome distance limitations.
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
✓
A Bluetooth extender or repeater to boost signal strength.
Bluetooth range is typically limited to about 10 meters (33 feet) under ideal conditions, and obstacles like walls or furniture can reduce this further. A Bluetooth extender or repeater captures the signal from the tablet and retransmits it, effectively boosting the signal strength and extending the reliable operating distance across a room. This ensures both the keyboard and mouse maintain a stable connection without dropouts.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
A USB-C hub with Bluetooth functionality to extend range.
Why it's wrong here
A USB-C hub primarily provides port expansion for a tablet. While some hubs may integrate a Bluetooth radio, this typically functions as an alternative Bluetooth controller rather than a range extender for the tablet's existing Bluetooth module. It would not inherently boost the signal strength or effective operational distance of the tablet's native Bluetooth connection, which is the primary need when seeking to extend range.
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A Bluetooth adapter plugged into the tablet's charging port.
Why it's wrong here
Plugging a Bluetooth adapter into a tablet's charging port (typically a USB-C or Micro-USB data/power port) is generally redundant for modern tablets, as most come equipped with integrated Bluetooth capabilities. Such an adapter would function as a separate Bluetooth controller, not as a signal booster for the tablet's internal radio. It is unlikely to significantly extend the operational range beyond the tablet's native Bluetooth, as its power output and antenna design are usually comparable.
- ✓
A Bluetooth extender or repeater to boost signal strength.
Why this is correct
A Bluetooth extender or repeater is specifically designed to receive the existing Bluetooth signal from a source device and retransmit it with increased power, effectively expanding the operational range of Bluetooth devices. By strategically placing such a device, the signal strength can be boosted, allowing the Bluetooth keyboard and mouse to maintain a stable connection over greater distances, such as across a room, overcoming typical range limitations and potential interference.
- ✗
A wireless dongle that connects both keyboard and mouse via a single receiver.
Why it's wrong here
A wireless dongle that connects a keyboard and mouse via a single receiver typically utilizes a proprietary 2.4 GHz radio frequency, not standard Bluetooth. These dongles are designed for specific non-Bluetooth wireless peripherals from the same manufacturer and create a dedicated, closed connection. Since the customer explicitly wants to connect *Bluetooth* devices, this type of proprietary dongle is incompatible and unnecessary, as Bluetooth devices connect directly to a Bluetooth host without needing a proprietary receiver.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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