2026 Actual CompTIA 220-1201 Dumps, Updated Exam Questions for Guaranteed Pass

220-1201 free sample questions and answers

CompTIA 220-1201 practice quiz with correct answers for search indexing.

1. Question 1

   A user's laptop keyboard is distorted and is no longer flat. Which of the following components most likely failed?

   ABattery
   

   BRAM
   

   CKeyboard
   

   DHDD
   

   Correct answer: A

   Comprehensive and Detailed Explanation

   CompTIA A+ describes swollen or warped laptop chassis components as a classic symptom of a failing or swollen lithium-ion battery.

   A swollen battery can:

   Warp the keyboard

   Push the bottom panel outward

   Bend or distort the laptop frame

   This is a safety hazard and requires immediate replacement.

   Why the other answers are incorrect

   B . RAM -- Cannot cause physical warping.

   C . Keyboard -- May fail electronically, but does not physically deform itself.

   D . HDD -- Located away from the keyboard and cannot distort the chassis.

   Final Answe r: A

   
   

2. Question 2

   A company wants to optimize its hardware usage by running multiple operating systems concurrently on a single physical server. Which of the following concepts achieves this goal?

   AHost-based virtualization
   

   BPublic cloud services
   

   CHigh-availability clustering
   

   DSoftware as a service
   

   ELoad balancing
   

   Correct answer: A

   Running multiple operating systems at the same time on a single physical server is accomplished through virtualization. In this scenario, host-based virtualization means a host operating system is installed on the physical server first, and then virtualization software runs on top of that OS to create and manage multiple virtual machines. Each virtual machine can run its own guest operating system independently, while sharing the server's CPU, RAM, storage, and network resources. This improves hardware utilization because one physical server can replace multiple separate machines, and resources can be allocated to VMs based on workload needs.

   The other options do not directly describe the concept of running multiple OS instances on the same physical hardware. Public cloud services describe a delivery model where resources are provided by a third-party provider, but the underlying concept enabling multiple OS instances is still virtualization. High-availability clustering focuses on redundancy and failover across multiple servers. Software as a service provides a completed application to users, not multiple OS instances. Load balancing distributes traffic across systems and does not create separate operating systems. Therefore, the correct choice is host-based virtualization.

   
   

3. Question 3

   A user's phone does not respond to touch. A technician inspects the phone but does not see any evidence of physical damage. The technician restarts the device, which does not fix the issue. Which of the following components should the technician examine next?

   ABattery
   

   BScreen
   

   CStylus
   

   DDigitizer
   

   Correct answer: D

   The digitizer is the component responsible for detecting touch input on a screen. If touch is not registering and there's no physical damage, the digitizer may be faulty.

   From CompTIA A+ 220-1101 Official Study Guide, Objective 3.1 -- Mobile device hardware:

   ''If a touchscreen device does not respond to input and the screen is intact, the digitizer (touch sensor) may be defective.''

   Verified Source:

   CompTIA A+ Core 1 (220-1101) Official Study Guide, Chapter 3: Mobile Hardware

   CompTIA Exam Objectives 220-1101, Domain 3.1

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4. Question 4

   Which of the following could a user employ to maximize module bandwidth when selecting memory for a high-end gaming computer?

   AError correction
   

   BRAM voltage
   

   CChannel configuration
   

   DPhysical module size
   

   Correct answer: C

   Channel configuration(e.g.,dual-channel,quad-channel) determines how memory modules communicate with the memory controller. Usingmatched pairs in dual- or quad-channel setupscan significantlyincrease memory bandwidth, improving performance especially for gaming and video-intensive tasks.

   Option A (Error correction):ECC RAM is used in servers for reliability, not performance or gaming.

   Option B (RAM voltage):Affects compatibility and overclocking but not bandwidth.

   Option D (Physical size):Refers to module form factor (e.g., DIMM, SO-DIMM) and does not impact bandwidth.

   CompTIA A+ Core 1 Exam Objective Reference:

   Objective 3.2: Given a scenario, install RAM types.

   
   

5. Question 5

   Which of the following systems most likely contains ECC memory?

   AA high-end gaming console
   

   BA file server
   

   CA smartphone
   

   DA laptop
   

   Correct answer: B

   Error-Correcting Code (ECC) memory is designed to detect and correct single-bit memory errors, increasing system reliability and data integrity. According to CompTIA Core 1 (220-1201) hardware and memory objectives, ECC memory is most commonly used in servers and enterprise-grade systems where uptime and data accuracy are critical.

   A file server is responsible for storing, managing, and serving data to many users simultaneously. Memory errors in such systems could lead to data corruption, crashes, or security issues. For this reason, servers frequently use ECC memory in combination with server-class CPUs and motherboards that support error correction.

   High-end gaming consoles prioritize performance and cost efficiency rather than fault tolerance, and they do not use ECC memory. Smartphones rely on low-power mobile RAM without error correction, and laptops typically use non-ECC memory unless they are specialized workstation-class systems, which is not indicated in this question.

   CompTIA emphasizes that ECC memory is associated with mission-critical environments, particularly servers and enterprise systems, making a file server the most appropriate answer.

   References:

   CompTIA A+ Core 1 (220-1201) Official Study Guide -- RAM Types, ECC Memory, and Server Hardware