220-1101 Exam Preparation Material | CompTIA A+ Certification Exam: Core 1

Prepare for the 220-1101 with reliable study materials, practice questions, and key exam insights.

Prepare for the 220-1101 CompTIA A+ Certification : Core 1 exam with CertQueen's independently developed study resources. Review important concepts, practice scenario-based questions, and use clear explanations to identify areas that require further study.

Question#1

A systems administrator hears a clicking noise coming from a storage array that has a RAID configuration_ No LEOS are illuminated on the array but the logs show several hard drive errors.
Which of the following should the systems administrator do to quickly eliminate the clicking?

A. Reinstall the drive.
B. Replace the bad drive.
C. Reset the RAID software
D. Run a chkdek on the drive.

Explanation:
The correct answer is B. Replace the bad drive.
A clicking noise coming from a hard drive is a sign of a mechanical failure, which can cause data loss or corruption. Replacing the bad drive as soon as possible is the best way to prevent further damage and restore the RAID array to a healthy state. Reinstalling the drive, resetting the RAID software, or running a chkdek on the drive will not fix the underlying hardware problem and may even worsen the situation. Therefore, option B is the correct answer.
Reference: CompTIA A+ Core 1 (220-1101) Certification Study Guide, page 131: “Clicking noises indicate that the hard drive is failing mechanically.”
RAID configuration on Linux - Amazon Elastic Compute Cloud, section “Replace a failed volume in a RAID 0 array”: “If one of the volumes in your RAID 0 array fails, you must replace it as soon as possible to avoid data loss.”

Question#2

A user’s laptop is experiencing severe slowdowns when operating process-intensive tasks .
Which of the following memory upgrades is compatible with a laptop?

A. DIMM
B. ECC RAM
C. Virtual RAM
D. SODIMM

Explanation:
SODIMM stands for Small Outline Dual In-line Memory Module and is a type of memory module that is compatible with laptops and other small devices. SODIMMs are smaller and thinner than DIMMs (Dual In-line Memory Modules), which are typically used for desktop PCs and servers. Upgrading or adding SODIMMs can increase the amount of RAM available for a laptop, which can improve its performance and speed when running process-intensive tasks .
Reference: https://partners.comptia.org/docs/default-source/resources/a-core-series-combined-content-guide (page 24)

Question#3

An administrator is setting up a conference room for an important board of directors meeting. The chief operating officer has asked the administrator to make sure a redundant internet connection is available. The office only has one ISP. and the conference room equipment is currently configured using Ethernet.
Which of the following should the administrator set up in order to ensure redundancy?

A. Wireless access point
B. Near-field communication
C. Hotspot
D. Bluetooth

Explanation:
A hotspot provides a redundant internet connection using cellular data. This ensures connectivity for the meeting even if the primary ISP connection fails.
Why Not A (Wireless access point): A wireless access point expands Wi-Fi connectivity but does not provide internet redundancy.
Why Not B (Near-field communication): NFC is used for short-range communication, not internet connectivity.
Why Not D (Bluetooth): Bluetooth is for short-range device pairing and cannot serve as a backup internet connection.
CompTIA A+ Exam
Reference: Core 1 (220-1101), Section 2.7, internet connection types and redundancy.

Question#4

Which of the following is an advantage that OLED displays have over LCD displays?

A. The color does not degrade over time.
B. The power consumption is lower.
C. The power contrast results in finer grayscale levels.
D. A backlight is utilized.

Explanation:
OLED (Organic Light Emitting Diode) displays have lower power consumption than LCD (Liquid Crystal Display) displays because they do not require a backlight to produce light. Each pixel in an OLED display can emit its own light, which also allows for higher contrast and finer grayscale levels. However, OLED displays are more prone to color degradation over time than LCD displays, which use filters to create colors. Verified References: OLED vs LCD: How to choose the right display for your phone.

Question#5

An internet service provider is delivering service through a copper medium with shared customer bandwidth.
Which of the following services has most likely been installed?

A. Fiber
B. Cable
C. NIC
D. DSL

Explanation:
Cable internet service is delivered through coaxial cables that are shared among multiple customers in a neighborhood. This means that the bandwidth may vary depending on the network congestion. Fiber, NIC, and DSL are not copper-based or shared mediums.
Reference: CompTIA A+ Core 1 (220-1101) Certification Study Guide, page 28.

Exam Code: 220-1101
Q & A: 861 Q&As         Updated:  Jul 31,2026

 

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Review Key Concepts

Review the technologies, products, processes, and practical skills covered by the current 220-1101 exam objectives.

Practice Scenario-Based Questions

Work through independently developed questions designed to strengthen your understanding of technical scenarios and decision-making.

Identify Knowledge Gaps

Use your results and the provided explanations to find weaker areas and focus your study more effectively.

How to Use This 220-1101 Preparation Material

Review the Exam Scope

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Complete a focused set of practice questions for each topic. On your first attempt, avoid referring to notes, answers, or other study resources so that you can evaluate your current understanding more accurately.

Study the Explanations

Review the answers and explanations after completing each practice session. Understand why the correct option is appropriate for the given scenario and why the other options may be incorrect or less suitable.

Close Knowledge Gaps

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Exam Code: 220-1101
Q & A: 861 Q&As
Updated:  Jul 31,2026

 

 Access Complete 220-1101 Preparation Material