Try 10 focused CompTIA A+ 220-1201 questions on Mobile Devices, with explanations, then continue with IT Mastery.
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| Field | Detail |
|---|---|
| Exam route | CompTIA A+ 220-1201 |
| Topic area | Mobile Devices |
| Blueprint weight | 15% |
| Page purpose | Focused sample questions before returning to mixed practice |
Use this page to isolate Mobile Devices for CompTIA A+ 220-1201. Work through the 10 questions first, then review the explanations and return to mixed practice in IT Mastery.
| Pass | What to do | What to record |
|---|---|---|
| First attempt | Answer without checking the explanation first. | The fact, rule, calculation, or judgment point that controlled your answer. |
| Review | Read the explanation even when you were correct. | Why the best answer is stronger than the closest distractor. |
| Repair | Repeat only missed or uncertain items after a short break. | The pattern behind misses, not the answer letter. |
| Transfer | Return to mixed practice once the topic feels stable. | Whether the same skill holds up when the topic is no longer obvious. |
Blueprint context: 15% of the practice outline. A focused topic score can overstate readiness if you recognize the pattern too quickly, so use it as repair work before timed mixed sets.
These questions are original IT Mastery practice items aligned to this topic area. They are designed for self-assessment and are not official exam questions.
Topic: Mobile Devices
A college student uses a 10-inch tablet in class and wants to handwrite detailed math equations and draw precise diagrams directly on lecture slides. They find finger input too imprecise but want to keep using the same tablet and avoid carrying a separate laptop. Which accessory would BEST meet these needs?
Options:
A. A generic USB mouse connected through an OTG/USB-C adapter
B. An active stylus designed for the tablet’s touchscreen
C. A Bluetooth keyboard with an integrated touchpad
D. A thick, matte screen protector to increase friction for finger input
Best answer: B
Explanation: This scenario focuses on choosing the best input accessory for precise handwriting and drawing on a tablet. The student needs fine control for math equations and diagrams, wants to stay on the same tablet, and does not want to carry a separate laptop.
A stylus is specifically designed for pen-like input on touchscreens. An active stylus (often paired with a compatible digitizer screen) supports small, precise strokes, can recognize varying pressure, and typically includes palm rejection so the user can rest their hand on the screen while writing. This makes it ideal for note-taking and drawing tasks that require accuracy.
Keyboards, mice, or touchpads improve typing or pointer control, but they do not replace the natural feel and precision of a pen on a digital surface. Screen protectors can change texture or glare but do not materially increase precision for detailed handwriting compared to a proper stylus.
Topic: Mobile Devices
Which TWO statements about wireless network cards and antenna connections in laptops and mobile devices are TRUE? (Select TWO.)
Options:
A. Mini-PCIe Wi-Fi cards are designed to slide directly into any M.2 slot without an adapter.
B. Laptop Wi-Fi antennas are usually built into the removable battery pack to keep the signal away from the screen.
C. Most modern smartphones use user-replaceable mini-PCIe Wi-Fi cards that can be swapped without opening the device.
D. When replacing a laptop Wi-Fi card, you should gently lift the antenna connectors straight up from the posts instead of pulling on the cables.
E. Many M.2 Wi-Fi cards use two tiny snap-on antenna connectors, often labeled MAIN and AUX.
Correct answers: D and E
Explanation: Laptop wireless cards typically use either mini-PCIe (on older systems) or M.2 (on newer systems), each with its own physical connector and slot. These cards connect to one or more internal Wi-Fi antennas using very small snap-on coax connectors, commonly labeled MAIN and AUX to show primary and secondary antenna connections.
During replacement, the main risk is damaging the fragile antenna leads. Best practice is to carefully pry the metal cap of each connector straight up from the post with a fingernail or plastic tool, never yanking on the thin cable. Reassembly is the reverse: align and press the connector straight down until it clicks. In contrast, smartphones generally do not use swappable Wi-Fi cards; their radios are integrated into the main logic board and are not field-replaceable modules.
Mini-PCIe and M.2 cards are not cross-compatible because they use different shapes, keying, and electrical interfaces. Understanding these differences helps technicians choose correct replacement parts and avoid forcing cards into the wrong slots or damaging antenna wiring.
Topic: Mobile Devices
Which TWO statements about pairing a Bluetooth headset with a smartphone are correct? (Select TWO.)
Options:
A. Bluetooth pairing will not work unless both the phone and headset are on the same Wi-Fi network.
B. Most Bluetooth headsets must be connected to the phone with a USB cable for the first pairing.
C. After pairing, you should test the connection, such as playing audio, to confirm the headset is working.
D. You often must place the headset into pairing or discovery mode before the phone can find it.
E. You should disable Bluetooth discoverability on both devices before starting the pairing process.
Correct answers: C and D
Explanation: Bluetooth pairing between a smartphone and a headset requires that the devices be able to see each other over Bluetooth and that the connection is verified. Typically, you put the headset into pairing or discovery mode so the phone can find it, then accept or enter any required PIN, and finally confirm that the headset is functioning by sending audio through it. Wi-Fi networks, USB cables, and disabling discoverability are not part of normal Bluetooth headset pairing steps.
Topic: Mobile Devices
A field technician is helping a remote worker decide how to get a coworker’s laptop online using the worker’s smartphone. The coworker is sitting a few meters away, and they need enough speed for video calls and large file downloads. The technician reviews the following reference.
| Connection type | Max range | Approx. bandwidth | Typical uses |
|---|---|---|---|
| NFC | < 5 cm | Very low | Tap-to-pay, quick device pairing |
| Bluetooth | ~10 m | Low–moderate | Wireless audio, mice/keyboards, files |
| Mobile hotspot (Wi‑Fi share) | ~10 m | High | Sharing phone’s Internet with devices |
Based on this information, which smartphone feature should the technician have the worker configure to meet the requirements?
Options:
A. Enable Bluetooth audio sharing from the phone to the laptop
B. Configure the phone as a mobile hotspot (Wi‑Fi sharing) and connect the laptop over Wi‑Fi
C. Turn on NFC and tap the phone against the laptop to start the data connection
D. Pair the phone and laptop with Bluetooth and use Bluetooth for all Internet traffic
Best answer: B
Explanation: The scenario requires sharing a smartphone’s Internet connection with a laptop that is a few meters away, with enough performance for video calls and large downloads. The exhibit compares NFC, Bluetooth, and mobile hotspot (Wi‑Fi sharing) by range, bandwidth, and typical uses.
According to the table, a mobile hotspot (Wi‑Fi share) supports a range of about 10 m, provides high bandwidth, and is explicitly intended for sharing the phone’s Internet with devices. This directly matches the need to allow a nearby laptop to use the smartphone’s cellular data connection with sufficient speed.
NFC is designed for very short-range, low-bandwidth interactions such as tap-to-pay or quick pairing and cannot maintain a high-speed network connection across several meters. Bluetooth offers only low–moderate bandwidth and is typically used for audio and simple peripherals, which makes it unsuitable for sustained high-throughput Internet sharing in this context.
Topic: Mobile Devices
A user brings in a thin-and-light laptop that has a single Thunderbolt/USB-C port plus one HDMI port. At a new desk setup, the user needs to connect two external monitors, wired Ethernet, several USB peripherals, and also charge the laptop using one cable to reduce clutter. Which of the following actions will best address this issue/meet these requirements? (Select TWO.)
Options:
A. Connect a basic USB port replicator to a USB-A port and continue using the laptop’s existing power adapter separately.
B. Attach a passive HDMI splitter to the laptop’s HDMI port to drive two monitors and plug the power adapter directly into the laptop.
C. Deploy a Thunderbolt/USB-C docking station that supports power delivery, dual DisplayPort/HDMI outputs, Ethernet, and multiple USB ports.
D. Use a powered USB hub plus two USB-to-HDMI adapters and keep the power adapter plugged in separately for charging.
E. Use the laptop manufacturer’s proprietary docking station that connects to a dedicated dock connector and provides power, multiple display outputs, Ethernet, and USB ports.
Correct answers: C and E
Explanation: The scenario requires more than just extra ports; the user explicitly wants dual external displays, wired Ethernet, multiple USB ports, and laptop charging over a single connection to reduce cable clutter.
A true docking station is designed for this use case. It typically connects via a high-bandwidth interface (such as Thunderbolt/USB-C or a proprietary dock connector), provides its own power brick, and supplies power back to the laptop while offering multiple video outputs and other ports. A simple port replicator or USB hub can expand connectivity but usually does not deliver power to the laptop or support multiple independent displays, and it often forces the user to keep using a separate power adapter.
Therefore, the best actions are to choose either a Thunderbolt/USB-C docking station with power delivery and multiple video ports or the manufacturer’s proprietary docking station that offers similar capabilities through a dedicated dock connector.
Topic: Mobile Devices
A user asks you to configure their smartphone as a hotspot so they can safely connect their laptop in a crowded airport. Review the current hotspot settings shown in the exhibit.
Which change would BEST improve the security of this hotspot configuration?
Exhibit:
| Setting | Value |
|---|---|
| Hotspot | On |
| Network name (SSID) | Alex-Phone |
| Security | None (open) |
| Password | 12345678 |
| Band | 2.4 GHz |
Options:
A. Change the band from 2.4 GHz to 5 GHz to reduce interference and improve performance.
B. Change Security to WPA3-Personal (or WPA2-Personal) and replace the password with a long, complex passphrase.
C. Shorten the password to a 4-digit PIN to make it easier to type on the laptop.
D. Disable SSID broadcast so the Alex-Phone network does not appear in nearby Wi-Fi lists.
Best answer: B
Explanation: The exhibit shows a smartphone hotspot configured with Security set to “None (open)” and a simple password of “12345678”. An open network does not require a real password and sends traffic unencrypted, allowing nearby users to connect without authorization and potentially intercept data.
To properly secure a mobile hotspot, you should enable strong Wi-Fi security such as WPA2-Personal or WPA3-Personal and set a long, complex passphrase. This combination ensures that only users with the correct passphrase can join and that wireless traffic is encrypted in transit.
Simply hiding the SSID or changing the band does nothing to encrypt traffic or enforce strong authentication. Making the password shorter and simpler further weakens security. The only option that directly addresses both encryption and password strength is to change the security mode to WPA2/WPA3-Personal and use a strong passphrase.
Topic: Mobile Devices
Which of the following statements about mobile device management (MDM) is NOT accurate? (Select TWO.)
Options:
A. MDM tools can push Wi‑Fi, VPN, and email settings to many devices at once, reducing the need for manual configuration by users.
B. If a managed device is lost or stolen, MDM can issue a remote lock or wipe command to protect corporate data.
C. By default, MDM gives administrators live access to listen to users’ phone calls and read all personal text messages on any enrolled device.
D. MDM can remotely enforce security settings such as screen lock requirements, device encryption, and camera usage on managed smartphones and tablets.
E. MDM only works when devices are on the internal corporate Wi‑Fi network; it cannot manage devices over the public internet or cellular data.
Correct answers: C and E
Explanation: Mobile device management (MDM) platforms are used to centrally manage smartphones and tablets, especially in business and school environments. Typical capabilities include enforcing security policies, pushing configuration profiles, deploying and updating applications, and protecting corporate data with remote lock and wipe. While MDM allows strong control over corporate data and device settings, it does not turn administrators into full-time spies with live access to all user communications, and it can manage devices over the public internet, not just on internal Wi‑Fi.
In this question, you are asked to identify the statements that are not accurate descriptions of standard MDM capabilities.
Topic: Mobile Devices
A help-desk technician is deciding which tablet accessory to recommend for different users.
Examine the following exhibit:
| User | Primary task | Main complaint | Preference/notes |
|---|---|---|---|
| Emma | Digital art and diagram drawing | Finger input feels too “sloppy” for detailed lines | Comfortable holding a pen-like tool |
| Raj | Email and web browsing with typing | On-screen keyboard is slow; wants faster typing | Prefers physical, clicky keys |
| Luis | Video calls and streaming media | Tablet battery drains too quickly | Usually taps large on-screen buttons |
Which user is the BEST candidate for a stylus accessory to improve their experience, based on the exhibit?
Options:
A. Emma
B. Luis
C. None of these users would significantly benefit from a stylus
D. Raj
Best answer: A
Explanation: A stylus is most useful when a user needs more precise control than a fingertip can provide, such as for drawing, handwritten notes, fine selections, or accessibility needs that benefit from pen-like pointing.
In the exhibit, Emma is doing digital art and diagram drawing and says that finger input feels too “sloppy” for detailed lines. A stylus mimics a pen or pencil, allowing for finer strokes, better control, and more natural drawing. This directly addresses Emma’s complaint and matches her preference for a pen-like tool.
Raj’s main concern is typing speed and a desire for physical keys, which points toward a keyboard accessory, not a stylus. Luis is worried about battery life, and a stylus will not improve power usage. Therefore, Emma is the best candidate for a stylus.
Topic: Mobile Devices
A technician is replacing a laptop display and must reroute the thin Wi‑Fi antenna leads through the new screen bezel. The manufacturer specifies two rules:
Each 90° bend in the cable adds about 2dB of loss, and each point where the cable is taped directly across the metal hinge area adds about 3dB of loss. The technician has mapped four possible routing plans:
| Routing plan | 90° bends | Hinge contacts |
|---|---|---|
| Plan 1 | 2 | 0 |
| Plan 2 | 1 | 2 |
| Plan 3 | 3 | 1 |
| Plan 4 | 0 | 3 |
Which routing plan should the technician choose to follow the manufacturer’s guidelines and maintain good Wi‑Fi performance?
Options:
A. Use routing Plan 4.
B. Use routing Plan 2.
C. Use routing Plan 1.
D. Use routing Plan 3.
Best answer: C
Explanation: Laptop Wi‑Fi antennas are usually mounted around the display bezel and connect to the wireless card with very thin coaxial leads. These leads are fragile and sensitive to both physical stress and how they are routed. Sharp bends, running them tightly along metal structures, or crossing moving parts like the hinge can increase signal loss and raise the risk of the cable breaking over time.
In this scenario, the manufacturer gives two clear requirements: keep additional path loss at or below 8dB, and do not route across the hinge when a compliant alternative exists. Each 90° bend adds about 2dB, and each hinge contact adds about 3dB. Plan 1 uses two bends and no hinge contact, for about 4dB of loss, and therefore satisfies both rules while keeping the antenna safely in the bezel away from the hinge mechanism.
Topic: Mobile Devices
A user wants to pay for purchases by briefly tapping their smartphone against a store’s checkout terminal. Which wireless technology is specifically designed for this very short-range, tap-to-pay style interaction?
Options:
A. Wi-Fi Direct
B. Bluetooth
C. Mobile hotspot/tethering
D. NFC
Best answer: D
Explanation: Tap-to-pay systems at checkout terminals rely on Near Field Communication (NFC). NFC works at extremely short distances—usually a few centimeters—and is designed for quick, secure exchanges of small amounts of data, such as payment token information from a smartphone or contactless card.
Bluetooth and Wi-Fi-based technologies (including hotspots and Wi-Fi Direct) operate over longer distances and are intended for ongoing data connections, like audio streaming or file transfers, not for the brief, close-range exchanges used in contactless payments.
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