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CompTIA Updated 220-1101 Exam Questions and Answers by marlowe

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CompTIA 220-1101 Exam Overview :

Exam Name: CompTIA A+ Certification Exam: Core 1
Exam Code: 220-1101 Dumps
Vendor: CompTIA Certification: A+
Questions: 869 Q&A's Shared By: marlowe
Question 28

While implementing a non-carrier-grade wireless backhaul, a technician notices the current channel selection is extremely polluted with various RF signals. Upon performing a spectral analysis, the technician discovers a channel containing almost no RF pollution. Unfortunately, the technician is unable to select that channel. Which of the following is the MOST likely reason for this issue?

Options:

A.

The channel is reserved for licensed band use.

B.

The channel selection is defective; contact the manufacturer.

C.

The channel must be unlocked by the vendor.

D.

The device requires a firmware update to unlock the channel.

Discussion
Question 29

A technician is receiving reports that the entire office sporadically loses network connectivity throughout the day. The technician determines the root cause to be EMI. Which of the cable mediums would be the MOST cost effective without sacrificing system performance?

Options:

A.

Coaxial

B.

Shielded Cat 6

C.

Plenum Cat 5e

D.

Multimode fiber

Discussion
Question 30

A Wi-Fi mesh network has been optimized to eliminate poor coverage areas, yet users still experience decreased bandwidth and connectivity issues. Which of the following actions should the technician take NEXT?

Options:

A.

Relocate any large, dense, solid, and metal objects, such as mirrors and file cabinets, in the mesh network coverage area to the perimeter so that wireless reflections, absorptions, and occlusions are minimized.

B.

Use a Wi-Fi analyzer to determine whether the channel in use is overcrowded and to identify which channel the mesh network should use for best performance.

C.

Use the signal strength indicator on a mobile device to roam the coverage area and generate a heat map to isolate zones with weak signals.

D.

Turn off broadcasting of the SSID on the mesh network so that other networks cannot see it.

Discussion
Question 31

Several users who share a multifunction printer in an office have reported unintended, thin, vertical lines that cover the entire height of every page printed from the printer. Which of the following steps should a technician complete in order to MOST likely resolve this issue?

Options:

A.

Replace the printer paper with a new ream.

B.

Clear the print spooler on each computer.

C.

Reinstall the printer driver on each computer

D.

Perform the drum-cleaning procedure.

Discussion
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Isla-Rose Oct 23, 2025
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