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NEW QUESTION # 86
A help desk technician inspects a laptop keyboard because a single key has stopped working. The technician checks the keyboard for debris. Which of the following actions should the technician do next to troubleshoot the issue cost-effectively?

• A. Replace the keyboard.
• B. Replace the circuit board.
• C. Replace the keycap
• D. Replace the key switch

Answer: D

Explanation:
If only one key is not functioning and debris has been checked, replacing the individual keycap is the most cost-effective next step. It's a simple, low-cost option before considering more extensive repairs like replacing the entire keyboard.
Reference: "CompTIA A+ Complete Practice Tests" by Jeff T. Parker - Chapter 1, Question 10, page 8.

NEW QUESTION # 87
A user is having trouble with the location services on their smartphone. Location-based applications show incorrect positions when the user is traveling. This issue affects the user's ability to navigate and use location- dependent applications. Which of the following is the best way to resolve this issue?

• A. Restarting the smartphone
• B. Enabling Wi-Fi to assist GPS
• C. Resetting the network settings
• D. Downloading a third-party mapping application

Answer: B

Explanation:
Wi-Fi assistance in mobile devices helps improve location accuracy by using nearby wireless networks to triangulate the device's position, even when GPS signals are weak (like indoors or in dense areas).
Reference:CompTIA A+ Certification Exam Core 1 Objectives - Domain 1.0 Mobile Devices - Objective
1.6: Troubleshoot common issues with mobile devices.

NEW QUESTION # 88
A user would like to connect a laptop to a monitor, keyboard, and mouse when in the office. The user prefers to use as few cables as possible. Which of the following would best achieve that goal?

• A. Docking station
• B. Managed switch
• C. Bluetooth
• D. Near-field communication

Answer: A

Explanation:
A docking station allows users to connect multiple peripherals (monitor, keyboard, mouse, etc.) to a laptop with a single connection, reducing cable clutter and improving convenience.
From CompTIA A+ 220-1101 Official Study Guide, Objective 3.1 - Laptop hardware and connections:
"A docking station enables the use of multiple external devices with a laptop using only one or two connections, making it ideal for office environments." Verified Source:
CompTIA A+ Core 1 (220-1101) Official Study Guide, Chapter 3: Laptop Hardware CompTIA Exam Objectives 220-1101, Domain 3.1

NEW QUESTION # 89
A major retailer is moving its online shopping website to the cloud and wants to expand its server resources as needed during busier shopping days. Which of the following should the retailer consider?

• A. Availability
• B. Elasticity
• C. Location
• D. Multitenancy

Answer: B

Explanation:
Elasticity in cloud computing refers to the ability to automatically scale resources up or down based on demand, making it ideal for businesses with fluctuating workloads.
From CompTIA A+ 220-1101 Official Study Guide, Objective 3.7 - Cloud characteristics:
"Elasticity allows cloud customers to quickly and automatically scale computing resources in response to changing demand." Verified Source:
* CompTIA A+ Core 1 (220-1101) Official Study Guide, Chapter 3: Cloud Concepts
* CompTIA Exam Objectives 220-1101, Domain 3.7

NEW QUESTION # 90
Which of the following network services is used to assign an IP address to a network host?

• A. SMTP
• B. DNS
• C. LDAP
• D. DHCP

Answer: D

Explanation:
DHCP (Dynamic Host Configuration Protocol) is the service used to automatically assign IP addresses to network hosts. It dynamically manages the distribution of IP addresses and configuration details (like subnet mask, gateway, and DNS servers), ensuring no two devices are assigned the same address on the network.
Option B (DNS): Incorrect. DNS translates domain names into IP addresses but does not assign them.
Option C (LDAP): Incorrect. LDAP is a protocol used for accessing and maintaining directory services, such as user information and permissions.
Option D (SMTP): Incorrect. SMTP is used for sending and receiving email, not for IP address assignment.
References:
CompTIA A+ Core 1 Objectives: 2.5 (Network configuration)

NEW QUESTION # 91
A systems administrator deploys BitLocker to all devices. However, one of the desktop PCs is not able to encrypt the boot drive. Which of the following should the administrator check?

• A. HDD
• B. CPU
• C. RAM
• D. TPM

Answer: D

Explanation:
BitLocker Drive Encryption in Windows requires aTrusted Platform Module (TPM)to encrypt the boot drive securely. The TPM is a dedicated microcontroller designed to secure hardware through integrated cryptographic keys. It validates system integrity during boot and securely stores the encryption keys. If BitLocker cannot find a TPM or it is disabled in BIOS/UEFI, drive encryption cannot proceed.
BitLocker can function without TPM using a USB startup key, but this compromises some security and is not recommended for managed enterprise environments.
Reference:
"CompTIA A+ Certification All-in-One Exam Guide, Eleventh Edition" by Travis Everett and Andrew Hutz
- Chapter 13, page 536-537.
"CompTIA A+ Guide to Managing and Troubleshooting PCs" by Mark Soper - Chapter 13, page 446-447.
"CompTIA A+ Complete Study Guide" by Quentin Docter - Chapter 1, page 36-38.

NEW QUESTION # 92
A technician needs to select PC components with a minimal number of visible internal cables. Which of the following should the technician use?

• A. SATA drive connections
• B. Wireless NIC
• C. Modular power supply
• D. Liquid cooling

Answer: C

Explanation:
Comprehensive and Detailed In-Depth Explanation:
Amodular power supplyallows a technician toconnect only the power cables that are needed, reducing clutter and improving airflow. This is ideal when aiming for a clean build withminimal visible internal cables.
* Option A (SATA drive connections):Still require both power and data cables, adding to cable count.
* Option B (Liquid cooling):May reduce some bulk from large air coolers, but adds tubing and still needs cabling.
* Option D (Wireless NIC):Adds wireless capability but has no relation to internal cabling cleanliness.
CompTIA A+ Core 1 Exam Objective Reference:
* Objective 3.3: Given a scenario, apply the appropriate PC configuration.

NEW QUESTION # 93
Several storms cause mission-critical servers to go offline unexpectedly A server also goes offline suddenly due to haroNvare failure Upon assessment the company purchases new UPSs to condition power and allow the OSs to shut down gracefully in the event of a power failure However, the UPSs are delayed due to supply chain issues Which of the following can balance a cost-effective solution with uptime requirements?

• A. Purchasing backup generators
• B. Increasing input voltage
• C. Installing redundant PSUs
• D. Activating a hot site

Answer: C

Explanation:
C: Installing redundant PSUs (Power Supply Units):
Redundant PSUs provide fault tolerance by ensuring that if one power supply fails, another will take over seamlessly.
This is a cost-effective way to increase uptime while waiting for the UPSs to arrive.
Incorrect Options:
A: Purchasing backup generators: Generators are costly and are typically used for long-term outages, not as an immediate or cost-effective solution.
B: Increasing input voltage: This is not a practical solution to hardware failures or power issues.
D: Activating a hot site: A hot site is an expensive, fully operational backup facility that would not be a cost- effective solution for this scenario.
Key Takeaway: Installing redundant PSUs is a cost-effective way to balance uptime requirements in case of power or hardware failure.
Reference: CompTIA A+ Core 1 Exam Objectives (220-1201), Domain 5.3 - Power-related troubleshooting.

NEW QUESTION # 94
A user reports that a software application functioned as expected the previous day, but this morning, the user is unable to launch the application. Which of the following describe what the technician should do next?

• A. Research the symptoms
• B. Identify any changes the user has made
• C. Determine which steps need to be performed.
• D. Check the vendor's website for guidance.

Answer: B

Explanation:
Identifying changes made to the system is the next step to troubleshoot why an application no longer launches, as recent changes often cause such issues.
Why Not A (Research the symptoms): Research is broader and should come after identifying changes.
Why Not C (Determine which steps need to be performed): This comes after identifying the issue.
Why Not D (Check the vendor's website): This is a later step if further guidance is needed.
CompTIA A+ Exam Reference: Core 2 (220-1102), Section 3.1, troubleshooting methodology.

NEW QUESTION # 95
A support technician receives a call stating that a user has added a device to the network. The user used the same configurations from another workstation. When both workstations are turned on, neither can access the network reliably. Which of the following is the most likely cause of the issue?

• A. The DNS server is registering both hostnames.
• B. The network cable was improperly terminated.
• C. The new computer has a duplicate IP address.
• D. The security on the switchport needs to be reset.

Answer: C

Explanation:
If two devices have thesame static IP address, anIP conflictoccurs. This results in both devices being intermittently disconnected or unable to communicate on the network. It's a common mistake when copying configurations manually.
Option B:DNS conflicts wouldn't cause total disconnection - and wouldn't occur just from copying IP settings.
Option C:A cable issue would only affect one workstation.
Option D:Switchport security issues wouldn't affect both machines simultaneously unless port security was configured very specifically.
CompTIA A+ Core 1 Exam Objective Reference:
Objective 2.6: Given a scenario, configure and troubleshoot network connectivity.

NEW QUESTION # 96
A company deploys its infrastructure in self-operated data centers. The company recently migrated some of its applications to a public cloud. Which of the following most accurately describes the cloud model the company is following?

• A. Hybrid
• B. Community
• C. Private
• D. Public

Answer: A

Explanation:
A hybrid cloud combines private infrastructure (on-premises, self-operated data centers) with public cloud services, providing flexibility and scalability.
From CompTIA A+ 220-1101 Official Study Guide, Objective 3.7 - Cloud concepts:
"A hybrid cloud model integrates private and public cloud infrastructure to allow applications and data to be shared between them." Verified Source:
* CompTIA A+ Core 1 (220-1101) Official Study Guide, Chapter 3: Cloud Computing
* CompTIA Exam Objectives 220-1101, Domain 3.7

NEW QUESTION # 97
A computer displays an error message indicating there is insufficient storage when installing applications. The user reports slow application load times. Which of the following replacement components would best resolve this issue?

• A. SSD
• B. HDD
• C. USB
• D. RAM

Answer: A

Explanation:
Upgrading to asolid-state drive (SSD)providesmore storage spaceandfaster read/write speeds, which resolves both the "insufficient storage" error and slow application loads.
Option B (USB):Not intended for permanent application storage or performance improvements.
Option C (HDD):Could solve storage capacity but would not improve speed.
Option D (RAM):Affects multitasking and memory-intensive tasks, not storage capacity directly.
CompTIA A+ Core 1 Exam Objective Reference:
Objective 3.5: Given a scenario, troubleshoot problems related to storage devices.

NEW QUESTION # 98
A user reports poor performance on the application server.
INSTRUCTIONS
Click on Server 1 and Server 2 and review the information presented in each chart to determine which drives need to be replaced.
Select the appropriate replacement drive that should be used, for the least performance degradation to the server.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.

Answer:

Explanation:
See the detailed solution in explanation below.
Explanation:
The degraded status on Server 2 indicates a RAID-5 issue, typically due to a failed or failing drive. In RAID-5 configurations, when one drive fails, the system can still operate but with reduced performance as parity data is used to rebuild missing data on-the-fly.
Recommended Replacement Drive:
To minimize performance degradation, the replacement drive should be:
SAS HDD with the same specifications (64KB stripe size, no read-ahead, and write-back policy).
Matching the configuration exactly ensures seamless integration and optimizes recovery speed in the RAID-5 array.
In RAID-5, degraded performance is expected when one drive fails, as parity data needs to rebuild missing information during each read/write process. Replacing the failed drive restores the RAID array to optimal status, reducing the load on existing drives and returning the system to normal read/write performance. The write-back policy and disabled disk cache settings are designed to reduce latency and increase efficiency, essential for handling real-time applications.
A user reports poor performance on the
application server.
INSTRUCTIONS
Click on Server 1 and Server 2 and review
the information presented in each chart to
determine which drives need to be replaced.
Select the appropriate replacement drive
that should be used, for the least
performance degradation to the server.
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NEW QUESTION # 99
A technician is setting up a new SOHO wireless router. According to security best practices, which of the following should the technician do first?

• A. Enable encryption.
• B. Change the default password.
• C. Assign a static IP.
• D. Reset the router.

Answer: B

Explanation:
The first security step after deploying a new router is to change the default administrative password.
Default credentials are well known and pose a security risk if left unchanged.
From CompTIA A+ 220-1101 Official Study Guide, Objective 2.3 - Secure a wireless network:
"Always change default administrative credentials before further configuration to prevent unauthorized access." Verified Source:
* CompTIA A+ Core 1 (220-1101) Official Study Guide, Chapter 2: Wireless Security
* CompTIA Exam Objectives 220-1101, Domain 2.3

NEW QUESTION # 100
A customer recently experienced a power outage at a SOHO. The customer does not think the components are connected properly. A print job continued running for several minutes after the power failed, but the customer was not able to interact with the computer.
Once the UPS stopped beeping, all functioning devices also turned off.
In case of a future power failure, the customer wants to have the most time available to save cloud documents and shut down the computer without losing any data.
INSTRUCTIONS
-
Based on the customer's requirements, connect the customer's devices to the proper outlets. Select the power source for the Surge Protector and UPS. This may require reselecting dropdowns or removing tokens.
Each token may only be used once.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.

Answer:

Explanation:

Explanation:
Wall Outlet
* (empty - nothing goes directly to the wall)
Surge Protector (Power Source: Wall Outlet)
* Printer
* Scanner
UPS (Power Source: Surge Protector)
* Computer
* Monitor
* Cable Modem
* Wi-Fi Router

NEW QUESTION # 101
Which of the following is a benefit of using a VLAN?

• A. It minimizes collision domains.
• B. It increases network address space.
• C. It provides private access to cloud resources.
• D. It enables secure network segmentation.

Answer: D

Explanation:
A VLAN (Virtual Local Area Network) segments a physical network into separate logical networks, enhancing security by isolating traffic.
Why Not A (Minimizes collision domains): VLANs manage broadcast domains, not collision domains.
Why Not B (Provides private access to cloud resources): VLANs operate within a local network, not cloud- specific.
Why Not C (Increases network address space): VLANs do not affect address space.
CompTIA A+ Exam Reference: Core 1 (220-1201), Section 2.6, VLAN concepts.

NEW QUESTION # 102
Which of the following could a user employ to maximize module bandwidth when selecting memory for a high-end gaming computer?

• A. Channel configuration
• B. Error correction
• C. RAM voltage
• D. Physical module size

Answer: A

Explanation:
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.

NEW QUESTION # 103
Which of the following tools would a technician use to connect wires to an RJ45 connector?

• A. Punchdown
• B. Cable stripper
• C. Loopback plug
• D. Crimper

Answer: D

Explanation:
A crimper is specifically used to attach RJ45 connectors to the ends of network cables. It pressesthe connector pins into the cable's wires, establishing a secure electrical connection. A punchdown tool is used for wiring patch panels or keystone jacks, not for attaching connectors.
Reference: "CompTIA A+ Complete Study Guide" by Quentin Docter - Chapter 3, "Cables and Connectors", page 162. Also outlined in the220-1201objectives under 3.1.

NEW QUESTION # 104
A customer reports a problem connecting to network resources. After asking open-ended questions, the technician determines the issue likely exists on the remote server. Which of the following should the technician do next?

• A. Gather information
• B. Document the findings.
• C. Establish a plan of action
• D. Test the theory

Answer: D

Explanation:
After determining the issue is likely on the remote server, the technician should test the theory to confirm the root cause before proceeding.
Why Not A (Document the findings): Documentation comes after confirming the issue.
Why Not C (Gather information): Information gathering is already completed.
Why Not D (Establish a plan of action): This is done after confirming the issue.
CompTIA A+ Exam Reference: Core 2 (220-1102), Section 3.1, troubleshooting methodology.

NEW QUESTION # 105
An end user's domain password expires while they are working from home. The end user tries to reset the password using Ctrl+Alt+Delete and then receives the following message:
Configuration information could not be read from the domain controller, either because the machine is unavailable or because access is denied.
Which of the following will resolve this issue?

• A. Reset the account in Active Directory.
• B. Join the Wi-Fi network.
• C. Connect to the VPN.
• D. Restart the computer.

Answer: C

Explanation:
To change adomain passwordfrom a remote location, the system must communicate with thedomain controller. Since the user is working from home, they need toconnect to the corporate VPNto establish that secure connection. Without it, the password change cannot be authenticated.
Option A:Restarting will not resolve the lack of connection to the domain controller.
Option C:Resetting the password in AD could help, but doesn't let the user reset it themselves.
Option D:The user may already be on Wi-Fi; the issue is with connecting to thecorporate network, not local.
CompTIA A+ Core 1 Exam Objective Reference:
Objective 1.6: Given a scenario, configure basic mobile device network connectivity and application support.

NEW QUESTION # 106
A projector has been shutting down after 30 minutes of use, and it has a strange smell The technician confirms the power source is not the cause of the issue Which of the following steps should the technician take next to resolve this issue?

• A. Adjust the gamma settings.
• B. Replace the bulb
• C. Check the projector configuration.
• D. Clean the filter

Answer: D

Explanation:
Reasoning: Projectors have air filters that prevent dust from entering the internal components. A clogged filter can cause the projector to overheat, resulting in shutdowns and even strange smells due to overheating components. Cleaning the filter is a standard troubleshooting step when projectors exhibit overheating symptoms.
Why the Other Options Are Incorrect:
A: Replace the bulb:
While a failing bulb may eventually cause issues, it would not typically result in a strange smell or repeated shutdowns after a fixed period. Bulb issues usually manifest as dim or flickering images.
B: Check the projector configuration:
Configuration settings, such as resolution or input options, would not cause overheating or shutdowns. This option does not address the described symptoms.
D: Adjust the gamma settings:
Gamma settings affect display brightness and contrast but have no impact on overheating or strange smells.
Practical Example:
Dust accumulation in projectors is a common issue, especially in environments with poor air circulation. A clogged filter causes restricted airflow, leading to overheating and automatic shutdowns to protect internal components. Cleaning the filter typically resolves this issue.
CompTIA A+ Exam Objective Alignment:
Objective 5.5: Troubleshoot common video, projector, and display issues.

NEW QUESTION # 107
Which of the following cloud models would multiple organizations in the same industry most likely use?

• A. Community
• B. Hybrid
• C. Private
• D. Public

Answer: A

Explanation:
ACommunity Cloudis designed for use by several organizations with shared concerns (e.g., security, compliance, jurisdiction). It's common in industries like healthcare or finance where multiple entities benefit from a common infrastructure with shared policies.
Option A (Public):Open to general public or large industry group - less secure.
Option B (Hybrid):Mix of public and private - does not imply industry collaboration.
Option D (Private):Dedicated to a single organization.
CompTIA A+ Core 1 Exam Objective Reference:
Objective 2.1: Compare and contrast cloud computing concepts.

NEW QUESTION # 108
A user reports that the print quality of their desk printer is poor. A technician replaces the ink cartridge, but this does not resolve the issue. Which of the following should the technician do next?

• A. Clean the printheads
• B. Change the ribbon
• C. Switch the paper type
• D. Replace the pickup rollers

Answer: A

Explanation:
If print quality remains poor after replacing the ink cartridge, the next step is to clean the printheads.
Printheads can become clogged with dried ink, especially in inkjet printers, causing streaks or faded output.
From the CompTIA A+ 220-1101 Official Study Guide, Objective 4.3 - Troubleshoot printing problems:
"Poor print quality after replacing cartridges is commonly caused by clogged or dirty printheads. Use the printer's cleaning cycle or manually clean the printheads as needed." Verified Source:
* CompTIA A+ Core 1 (220-1101) Official Study Guide, Chapter 4: Printer Troubleshooting
* CompTIA Exam Objectives 220-1101, Domain 4.3

NEW QUESTION # 109
A technician is troubleshooting a workstation that repeatedly shuts down within ten minutes of being turned on. The technician notices a loud clicking sound coming from inside the case. Which of the following components should the technician check first?

• A. Intake fan
• B. Exhaust fan
• C. Capacitors
• D. CPU fan

Answer: D

Explanation:
A failing CPU fan may make unusual noises (including clicking) and, if it is not cooling the CPU, the system will quickly overheat and shut down to prevent damage.
From CompTIA A+ 220-1101 Official Study Guide, Objective 4.1 - Troubleshooting hardware problems:
"Overheating due to a failed or obstructed CPU fan can cause frequent shutdowns. Loud noises are a sign the fan should be checked first." Verified Source:
* CompTIA A+ Core 1 (220-1101) Official Study Guide, Chapter 4: PC Hardware Troubleshooting
* CompTIA Exam Objectives 220-1101, Domain 4.1

NEW QUESTION # 110
Which of the following allows a physical server to host multiple virtual machines?

• A. Sandbox
• B. SaaS
• C. Cross-platform virtualization
• D. Hypervisor

Answer: D

Explanation:
A hypervisor is software or firmware that allows multiple operating systems (virtual machines) to run on a single physical host. It manages the allocation of resources and isolation of each VM.
From CompTIA A+ 220-1101 Official Study Guide, Objective 3.7 - Virtualization concepts:
"A hypervisor is the key component of virtualization, enabling a physical server to host multiple virtual machines (VMs), each with its own OS and resources." Verified Source:
CompTIA A+ Core 1 (220-1101) Official Study Guide, Chapter 3: Virtualization CompTIA Exam Objectives 220-1101, Domain 3.7

NEW QUESTION # 111
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