CompTIA Exam 2026 220-1101 Dumps Updated Questions UPDATED May-2026
Get The Most Updated 220-1101 Dumps To A+ Certification
CompTIA A+ Certification Exam: Core 1 (220-1101) is a comprehensive exam that is comprised of 90 multiple-choice questions. 220-1101 exam duration is 90 minutes, and the passing score is 675 out of 900. 220-1101 exam is available in English and Japanese, and candidates can take the exam at any Pearson VUE testing center located around the world.
CompTIA A+ Certification is a globally recognized certification that is respected by employers worldwide. It is the industry standard for starting a career in the IT industry, and it is a prerequisite for many advanced certifications, such as CompTIA Network+ and CompTIA Security+. Candidates who pass the exam demonstrate their knowledge and skills in computer hardware and software, and they are eligible for various IT job roles with a competitive salary.
NEW QUESTION # 79
A user needs to connect a laptop to the internet while traveling on a train. Which of the following features should be enabled on the user's phone?
- A. Roaming
- B. Hotspot
- C. Near-field communication
- D. Bluetooth
Answer: B
Explanation:
A hotspot is a feature that allows a phone to share its cellular data connection with other devices via Wi-Fi, Bluetooth, or USB. This can be useful when traveling on a train, where Wi-Fi networks may not be available or reliable. A hotspot can provide internet access to a laptop or other devices that need to connect to the web.
NEW QUESTION # 80
A technician is setting up a workstation to use FTP. Which of the following ports does the technician need to enable?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
Explanation:
Port 20 is used for FTP data transfer (along with port 21 for control), so enabling this port is required. Ports
23, 53, and 68 are unrelated to FTP functionality, as they correspond to Telnet, DNS, and DHCP respectively.
CompTIA A+ Core 1 objectives outline the importance of knowing standard port numbers for network services.
NEW QUESTION # 81
Users report that all copies produced on a copter have a solid black line, but printing is unaffected. Which of the following is the MOST likely cause?
- A. Failing imaging drum
- B. Bad output tray
- C. Damaged (user
- D. A scratch on the scanning bed
Answer: D
Explanation:
A scratch on the scanning bed of a copier can cause a solid black line to appear on all copies, as the scanner cannot read the original document properly through the scratch. The scratch can also reflect light and create noise in the scanned image. The printing function is unaffected by the scratch, as it does not use the scanning bed. The technician should inspect and clean the scanning bed, and replace it if necessary. Reference: https://partners.comptia.org/docs/default-source/resources/a-core-1-content-guide (page 16)
NEW QUESTION # 82
A software firewall that blocks all network ports has been installed on a desktop computer. The computer is now unable to get a dynamic IP address.
Which of the following ports need to be opened on the firewall?
- A. 67, 68
- B. 161, 162
- C. 25, 110
- D. 80, 443
Answer: A
NEW QUESTION # 83
A technician receives a tablet that looks like it has a bulge inside. The bulge is pushing the screen away from the backplate. The tablet still turns on when it is plugged in, but the screen looks damaged and turns off when unplugged. Which of the following is the most likely cause of this issue?
- A. Malfunctioning power supply
- B. Broken screen
- C. Damaged charge port
- D. Deprecated battery
Answer: D
Explanation:
Comprehensive and Detailed In-Depth Explanation:
A bulging tablet casing is a classic sign of a swollen lithium-ion battery, often caused by age, overheating, or overcharging. This is a dangerous condition, as swollen batteries can rupture or catch fire. It also explains why the tablet only works when plugged in - the battery is no longer holding a charge.
* Option A: Power supply issues wouldn't cause physical bulging.
* Option B: A bad charge port wouldn't cause screen damage or physical distortion.
* Option D: A broken screen could cause display issues, but not the bulging chassis.
CompTIA A+ Core 1 Exam Objective Reference:
* Objective 1.4: Given a scenario, configure settings and use cases for laptops and mobile devices.
NEW QUESTION # 84
A technician is diagnosing several device issues reported by employees.
INSTRUCTIONS
Click on each device to review the issue. Then select the appropriate issue and solution from the drop-down menu. Each option may be used more than once.
Answer:
Explanation:
Explanation:
NEW QUESTION # 85
A technician is setting up a workstation to use FTP. Which of the following ports does the technician need to enable?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
Explanation:
Port 20 is used for FTP data transfer (along with port 21 for control), so enabling this port is required. Ports 23, 53, and 68 are unrelated to FTP functionality, as they correspond to Telnet, DNS, and DHCP respectively.
NEW QUESTION # 86
Following a scheduled power outage, users report they cannot access the local intranet. A technician is able to ping the IP address of the server that is hosting the website. Which of the following serves is MOST likely offline?
- A. DNS
- B. File
- C. Web
- D. DHCP
Answer: A
Explanation:
DNS stands for Domain Name System and is a service that translates domain names (such as www.example.com) into IP addresses (such as 192.168.1.100) that computers can use to communicate over a network. If the DNS server is offline, users may not be able to access websites or other network resources by using their domain names, even if they are online and reachable by their IP addresses. The technician should check if the DNS server is running and configured correctly, or use an alternative DNS server if possible. Reference: https://www.comptia.org/training/books/a-core-1-220-1101-study-guide (page 81)
NEW QUESTION # 87
Which of the following twisted pair cables supports 10GBASE-T data transmission speed?
- A. Cat 5
- B. Cat 5e
- C. Cat 3
- D. Cat 6a
Answer: D
Explanation:
The correct answer is D. Cat 6a.
Cat 6a (augmented) is a type of twisted pair cable that supports 10GBASE-T data transmission speed. 10GBASE-T is an Ethernet standard that can deliver 10 gigabits per second (Gbps) over copper cables. Cat 6a can support this speed up to a distance of 100 meters, which is the same as Cat 5e and Cat 6 for lower speeds. Cat 6a has better shielding and crosstalk prevention than Cat 6, which makes it more suitable for high-frequency signals.
Cat 3, Cat 5, and Cat 5e are not capable of supporting 10GBASE-T data transmission speed. Cat 3 can only support up to 10 Mbps, Cat 5 can only support up to 100 Mbps, and Cat 5e can only support up to 1 Gbps. These cables have lower bandwidth, higher attenuation, and more interference than Cat 6a.
NEW QUESTION # 88
A customer built a computer for gaming, sourcing individual components and then assembling the system.
The OS starts up, but within a few minutes the machine locks up. The customer brought the computer to a technician to diagnose the issue.
Answer:
Explanation:
Explanation:
correct answer is "Overclocking" and "Reduce CPU Clock speed" CPU is at 4.5 Ghz when normal is 3.2 Ghz.
Overclocking too much can cause freezes, and this is a gaming computer so the user probably took it too far.
http://blog.logicalincrements.com/2018/12/4-troubleshooting-tips-overclocking-pc/
NEW QUESTION # 89
A printer displays an error message even after a paper jam is cleared. Which of the following should a technician do to fix the issue?
- A. Verify the pickup roller is functioning.
- B. Change the duplex settings.
- C. Run internal printer diagnostics.
- D. Check the paper path for a blocked sensor.
Answer: D
Explanation:
A paper path is the route that paper takes through a printer from the input tray to the output tray. A blocked sensor is a sensor that detects paper jams or other errors in the paper path but fails to clear after the problem is resolved. A blocked sensor can cause a printer to display an error message even after a paper jam is cleared. The technician should check the paper path for any debris or obstructions that may trigger the sensor.
NEW QUESTION # 90
A customer has contacted you about building two new desktops. The first desktop will be a gaming workstation. The customer requirements include:
Playing the newest games at a high frame rate
Fast game load times
Enough storage to have several games installed at once
High-end audio
No concern about cost
Running the current Windows OS
The second workstation will be a family workstation. The requirements include:
Capability for word processing, videoconferencing, and basic web surfing Minimal cost, as long as it meets the requirements Running the current Windows OS
Answer:
Explanation:
Explanation:
NEW QUESTION # 91
An office manager reports that a printer is experiencing performance issues. Printouts are smudging when they are handled, and. recently, whenever the manager tries to print oversized documents, the paper jams before anything is printed on it.
Answer:
Explanation:
A picture containing text, electronics, printer Description automatically generated
NEW QUESTION # 92
A user is having an issue with the touch screen on a mobile device. When the user touches the screen, the intended target is not selected. Which of the following would be the BEST action for a technician to take to resolve the issue?
- A. Replace the LED screen.
- B. Reset the mobile device
- C. Calibrate the touch screen
- D. Update the mobile device.
Answer: C
Explanation:
Calibrating the touch screen is the best action to resolve the issue of inaccurate touch input.
Calibration adjusts the touch screen's sensitivity and alignment to match the user's touch.
Resetting the mobile device could erase user data and settings and may not fix the touch screen issue. Replacing the LED screen or updating the mobile device are unnecessary and costly actions that may not solve the problem.
NEW QUESTION # 93
Which of the following best describes the primary function of a spam gateway?
- A. Mitigates DDoS attacks
- B. Categorizes incoming network messages
- C. Blocks unrequested ICMP packets from external networks
- D. Serves as a repository for email routing logs
Answer: B
Explanation:
Explanation
A spam gateway is a software solution that filters email messages based on various criteria, such as sender, recipient, subject, content, attachments, and URLs. A spam gateway categorizes incoming network messages as spam or non-spam, and either blocks, quarantines, or delivers them accordingly. A spam gateway can help protect email servers and users from malicious or unwanted emails, such as phishing, malware, or advertising.
A: Serves as a repository for email routing logs. This is not the primary function of a spam gateway. Email routing logs are records of the path and status of email messages as they travel through the network. Email routing logs can help troubleshoot email delivery issues, but they do not filter or categorize email messages.
B: Blocks unrequested ICMP packets from external networks. This is not the primary function of a spam gateway. ICMP (Internet Control Message Protocol) packets are used to communicate network information, such as errors, requests, or replies. Blocking unrequested ICMP packets from external networks can help prevent network scanning or denial-of-service attacks, but it does not filter or categorize email messages.
D: Mitigates DDoS attacks. This is not the primary function of a spam gateway. DDoS (Distributed Denial-of-Service) attacks are attempts to overwhelm a network or server with a large amount of traffic from multiple sources. Mitigating DDoS attacks can help maintain network availability and performance, but it does not filter or categorize email messages.
Reference: Gateway Spam Filter - SpamTitan Email Security1.
NEW QUESTION # 94
A technician has been called into a conference room to help with a video call setup. The user is unable to get the laptop screen to mirror to the in-room television. The technician confirms that the appropriate HDMI cable is plugged into the user's computer and the TV has a blinking logo on the screen Which of the following is most likely causing the issue?
- A. The user's laptop does not support screen mirroring
- B. The user does not have Bluetooth enabled on the laptop.
- C. The television does not support screen mirroring
- D. The television has a defective A/C adapter cable.
- E. The wrong input is selected on the television.
Answer: E
Explanation:
When a laptop screen fails to mirror to a television despite being correctly connected via an HDMI cable, a common issue is that the television is set to the wrong input source. Modern televisions have multiple input options (e.g., HDMI 1, HDMI 2, AV, etc.), and selecting the correct input that corresponds to the port the HDMI cable is connected to is essential for displaying the laptop's screen. The blinking logo on the TV screen typically indicates that the TV is functioning but not receiving a signal from the selected input source. Changing the TV's input to the correct HDMI port should resolve the issue and allow the laptop screen to mirror onto the TV.Reference: Hardware 1101.docx, "Connecting External Displays" section.
NEW QUESTION # 95
A department is upgrading its printers and wants to save money on consumables. Which of the following printer features would allow the department to cut costs?
- A. Secure print
- B. Scanner
- C. Collate
- D. Duplex
Answer: D
Explanation:
Duplex printing allows printing on both sides of a paper, which can significantly reduce paper consumption and costs associated with buying paper. This makes duplex printing the best feature for cutting costs on consumables.
NEW QUESTION # 96
A technician is configuring a desktop RAID to allow for the best I/O performance and the most storage capacity possible.
Which of the following RAID types should the technician use?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
Explanation:
RAID 0 is a disk array configuration that splits data across two or more disks without parity or mirroring.
RAID 0 provides the best I/O performance because it allows parallel read and write operations on multiple disks. RAID 0 also provides the most storage capacity possible because it does not use any disk space for redundancy. However, RAID 0 does not provide any fault tolerance and increases the risk of data loss if any disk fails.
References: The Official CompTIA A+ Core 1 Student Guide (Exam 220-1101) eBook, page 252
NEW QUESTION # 97
A technician is troubleshooting an unresponsive touchscreen on a smartphone The technician performs a hard reset, but the touchscreen remains unresponsive. Which of the following is the most likely cause of the issue?
- A. Damaged digitizer
- B. Virus infection
- C. Missing drivers
- D. Low battery
Answer: A
Explanation:
The digitizer is a crucial component of a touchscreen device, responsible for translating touch actions into digital signals that the device can interpret. If a hard reset does not resolve the touchscreen's unresponsiveness, it's likely that the digitizer is damaged. Physical damage, such as cracks or heavy impacts, can impair the digitizer's ability to function correctly, leading to an unresponsive touchscreen. This type of hardware issue requires professional repair or replacement of the touchscreen assembly to restore functionality.
References: Mobile Devices 1101.docx, "Touchscreen Technology" section.
NEW QUESTION # 98
An engineer is upgrading the power supply of a workstation to add a GPU. The current power supply is 380W, and the GPU is a six-pin power connector. Which of the following is the minimum power supply the engineer should install?
- A. 400W
- B. 450W
- C. 500W
- D. 550W
Answer: B
Explanation:
Upgrading a power supply to add a GPU typically requires more wattage to accommodate the additional power demands. Although the current power supply is 380W, adding a GPU with a six-pin power connector suggests a mid-range graphics card, which would likely need a total system power supply in the range of 450W to ensure adequate power for all components, providing a good balance between capacity and safety margins.
Reference:
CompTIA A+ Core 1 Exam Objectives Section 3.5: Given a scenario, install or replace the appropriate power supply.
NEW QUESTION # 99
A company laptop uses a docking station with an integrated NIC and is unable to access a wired SOHO network using DHCP. A technician runs ipconfig and discovers the laptop has an IPv4 assignment of 169.254.0.9. The NIC does not have any link or activity lights on. Which of the following should the technician do next?
- A. Reset the network adapter.
- B. Reboot the DHCP server.
- C. Restart the laptop in safe mode.
- D. Replace the laptop.
- E. Reset the laptop in the docking station.
Answer: E
Explanation:
The IPv4 address of 169.254.0.9 indicates that the laptop is using an Automatic Private IP Address (APIPA), which means that it could not obtain a valid IP address from the DHCP server on the network. This could be caused by a physical or logical problem with the network adapter, the cable, the docking station, or the network itself.
One of the possible solutions is to reseat the laptop in the docking station, which means to remove it and insert it again, making sure that it is properly aligned and connected. This can help fix any loose or faulty connections between the laptop and the docking station, and between the docking station and the network cable. Reseating the laptop can also trigger a new DHCP request and renew the IP address.
NEW QUESTION # 100
A user reports a workstation is having the following issues:
OS performance is slow
. The workstation turns off randomly from time to time
. The fans are running loudly
Which of the following is most likely the cause?
- A. The hard drive is failing.
- B. The power supply is insufficient.
- C. The CPU is overheating.
- D. The system is infected with malware.
Answer: C
Explanation:
One of the possible causes of slow OS performance, random shutdowns, and loud fan noise is the CPU overheating. This can happen due to dust accumulation, faulty cooling system, or high CPU usage.
Overheating can damage the CPU and other components, so it is important to monitor the CPU temperature and take preventive measures.
References:
The Official CompTIA A+ Core 1 Student Guide (Exam 220-1101) eBook1, page 2-9, section "CPU Cooling Methods".
The Official CompTIA A+ Core 1 (220-1101) Certification Study Guide2, page 2-11, section
"Troubleshooting CPUs".
NEW QUESTION # 101
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