A technician is replacing a Wi-Fi antenna in a laptop. After installation, the laptop connects to Wi-Fi but the signal strength is significantly lower than before. What is the most likely cause?

The antenna cable was routed too close to the power adapter cable.

The technician did not update the Wi-Fi driver after installation.

The antenna was installed upside down.

The laptop's battery is low, reducing Wi-Fi transmit power.

A technician is replacing a battery in a smartphone. After installation, the phone powers on, but the Wi-Fi signal is very weak. The technician suspects the antenna was damaged during the battery replacement. What is the most likely cause of the weak signal?

The Wi-Fi driver needs to be reinstalled after the battery replacement.

The antenna cable was pinched between the battery and the chassis.

The new battery is emitting electromagnetic interference that blocks the Wi-Fi signal.

The phone's battery percentage is too low to support full Wi-Fi power.

A technician is replacing a battery in a smartphone. The technician has removed the old battery and is ready to install the new one. What should the technician do FIRST?

Apply adhesive to the new battery before placing it.

Power on the phone to test the new battery before installation.

Connect the new battery's connector to the motherboard.

Inspect the battery compartment for debris or damage.

A technician is repairing a tablet that has a cracked rear camera and no Wi-Fi connectivity. The technician replaces the rear camera, and the camera works. However, Wi-Fi still does not work. The technician notices the Wi-Fi antenna cable is disconnected from the motherboard. What should the technician do?

Update the tablet's firmware to reinitialize the Wi-Fi chip.

Replace the Wi-Fi antenna, as it is likely damaged from the camera replacement.

Reset the tablet's network settings to re-enable the Wi-Fi radio.

Reconnect the antenna cable and verify it clicks into place.

After replacing a Wi-Fi antenna in a laptop, what is the most likely cause of weak or intermittent Wi-Fi signals?

The antenna is too long for the laptop chassis

The antenna cable is not connected to the correct Wi-Fi card connector

The antenna is too close to the laptop's cooling fan

The antenna is not painted with conductive paint

CompTIAA+ Core 1

Domain 1Objective 1

Hardware Setup 220-1201 Practice Questions (Page 4)

Part of the Mobile devices domain, which accounts for 13% of the 220-1201 exam. CompTIA does not publish an official question count, but from its 90-minute exam (~35–60 total, ~5–8 in this domain), expect 1–2 from this objective — we provide 22 practice questions to prepare you well beyond it. (estimate)

22questions here

5free pages

3concepts

13%of the exam

Questions 16–20

16application · medium
A technician is replacing a Wi-Fi antenna in a laptop. After installation, the laptop connects to Wi-Fi but the signal strength is significantly lower than before. What is the most likely cause?
Select an answer first
17expert · hard
A technician is replacing a battery in a smartphone. After installation, the phone powers on, but the Wi-Fi signal is very weak. The technician suspects the antenna was damaged during the battery replacement. What is the most likely cause of the weak signal?
Select an answer first
18application · medium
A technician is replacing a battery in a smartphone. The technician has removed the old battery and is ready to install the new one. What should the technician do FIRST?
Select an answer first
19expert · hard
A technician is repairing a tablet that has a cracked rear camera and no Wi-Fi connectivity. The technician replaces the rear camera, and the camera works. However, Wi-Fi still does not work. The technician notices the Wi-Fi antenna cable is disconnected from the motherboard. What should the technician do?
Select an answer first
20foundation · easy
After replacing a Wi-Fi antenna in a laptop, what is the most likely cause of weak or intermittent Wi-Fi signals?
Select an answer first

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