CompTIA A+ Certification Exam: Core 1 : 220-1001

Exam Code: 220-1001
Exam Name: CompTIA A+ Certification Exam: Core 1
Updated: May 29, 2026
Q & A: 752 Questions and Answers

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CompTIA 220-1001 Exam Syllabus Topics:

Topic	Details
Mobile Devices - 14%
Given a scenario, install and configure laptop hardware and components.	1. Hardware/device replacement Keyboard Hard drive - SSD vs. hybrid vs. magnetic disk - 1.8in vs. 2.5in Memory Smart card reader Optical drive Wireless card/Bluetooth module Cellular card Video card Mini PCIe Screen DC jack Battery Touchpad Plastics/frames Speaker System board CPU
Given a scenario, install components within the display of a laptop.	1. Types LCD OLED 2. WiFi antenna connector/placement 3. Webcam 4. Microphone 5. Inverter 6. Digitizer/touchscreen
Given a scenario, use appropriate laptop features.	1. Special function keys Dual displays Wireless (on/off) Cellular (on/off) Volume settings Screen brightness Bluetooth (on/off) Keyboard backlight Touchpad (on/off) Screen orientation Media options (fast forward/rewind) GPS (on/off) Airplane mode 2. Docking station 3. Port replicator 4. Physical laptop lock and cable lock 5. Rotating/removable screens
Compare and contrast characteristics of various types of other mobile devices.	1. Tablets 2. Smartphones 3. Wearable technology devices Smart watches Fitness monitors VR/AR headsets 4. E-readers 5. GPS
Given a scenario, connect and configure accessories and ports of other mobile devices.	1. Connection types Wired - Micro-USB/Mini-USB/USB-C - Lightning - Tethering- Proprietary vendor-specific ports (communication/power) Wireless - NFC - Bluetooth - IR - Hotspot 2. Accessories Headsets Speakers Game pads Extra battery packs/battery chargers Protective covers/waterproofing Credit card readers Memory/MicroSD
Given a scenario, configure basic mobile device network connectivity and application support.	1. Wireless/cellular data network (enable/disable) Hotspot Tethering Airplane mode 2. Bluetooth Enable Bluetooth Enable pairing Find a device for pairing Enter the appropriate pin code Test connectivity 3. Corporate and ISP email configuration POP3 IMAP Port and SSL settings S/MIME 4. Integrated commercial provider email configuration iCloud Google/Inbox Exchange Online Yahoo 5. PRI updates/PRL updates/ baseband updates 6. Radio firmware 7. IMEI vs. IMSI 8. VPN
Given a scenario, use methods to perform mobile device synchronization.	1. Synchronization methods Synchronize to the cloud Synchronize to the desktop Synchronize to the automobile 2. Types of data to synchronize Contacts Applications Email Pictures Music Videos Calendar Bookmarks Documents Location data Social media data E-books Passwords 3. Mutual authentication for multiple services (SSO) 4. Software requirements to install the application on the PC 5. Connection types to enable synchronization
Networking - 20%
Compare and contrast TCP and UDP ports, protocols, and their purposes.	1. Ports and protocols 21 – FTP 22 – SSH 23 – Telnet 25 – SMTP 53 – DNS 80 – HTTP 110 – POP3 143 – IMAP 443 – HTTPS 3389 – RDP 137-139 – NetBIOS/NetBT 445 – SMB/CIFS 427 – SLP 548 – AFP 67/68 – DHCP 389 – LDAP 161/162 – SNMP 2. TCP vs. UDP
Compare and contrast common networking hardware devices.	1. Routers 2. Switches Managed Unmanaged 3. Access points 4. Cloud-based network controller 5. Firewall 6. Network interface card 7. Repeater 8. Hub 9. Cable/DSL modem 10. Bridge 11. Patch panel 12. Power over Ethernet (PoE) Injectors Switch 13. Ethernet over Power
Given a scenario, install and configure a basic wired/wireless SOHO network.	1. Router/switch functionality 2. Access point settings 3. IP addressing 4. NIC configuration Wired Wireless 5. End-user device configuration 6. IoT device configuration Thermostat Light switches Security cameras Door locks Voice-enabled, smart speaker/digital assistant 7. Cable/DSL modem configuration 8. Firewall settings Screened subnet (previously known as demilitarized zone) Port forwarding NAT UPnP Allow list/deny list MAC filtering 9. QoS 10. Wireless settings Encryption Channels
Compare and contrast wireless networking protocols.	1. 802.11a 2. 802.11b 3. 802.11g 4. 802.11n 5. 802.11ac 6. Frequencies 2.4Ghz 5Ghz 7. Channels 1–11 8. Bluetooth 9. NFC 10. RFID 11. Zigbee 12. Z-Wave 13. 3G 14. 4G 15. 5G 16. LTE
Summarize the properties and purposes of services provided by networked hosts.	1. Server roles Web server File server Print server DHCP server DNS server Proxy server Mail server Authentication server syslog 2. Internet appliance UTM IDS IPS End-point management server 3. Legacy/embedded systems
Explain common network configuration concepts.	1. IP addressing Static Dynamic APIPA Link local 2. DNS 3. DHCP Reservations 4. IPv4 vs. IPv6 5. Subnet mask 6. Gateway 7. VPN 8. VLAN 9. NAT
Compare and contrast Internet connection types, network types, and their features.	1. Internet connection types Cable DSL Dial-up Fiber Satellite ISDN Cellular - Tethering - Mobile hotspot Line-of-sight wireless Internet service 2. Network types LAN WAN PAN MAN WMN
Given a scenario, use appropriate networking tools.	1. Crimper 2. Cable stripper 3. Multimeter 4. Tone generator and probe 5. Cable tester 6. Loopback plug 7. Punchdown tool 8. WiFi analyzer
Hardware - 27%
Explain basic cable types, features, and their purposes.	1. Network cables Ethernet - Cat 5 - Cat 5e - Cat 6 - Plenum - Shielded twisted pair - Unshielded twisted pair - 568A/B Fiber Coaxial Speed and transmission limitations 2. Video cables VGA HDMI Mini-HDMI DisplayPort DVI (DVI-D/DVI-I) 3. Multipurpose cables Lightning Thunderbolt USB USB-C USB 2.0 USB 3.0 4. Peripheral cables Serial 5. Hard drive cables SATA IDE SCSI 6. Adapters DVI to HDMI USB to Ethernet DVI to VGA
Identify common connector types.	1. RJ-11 2. RJ-45 3. RS-232 4. BNC 5. RG-59 6. RG-6 7. USB 8. Micro-USB 9. Mini-USB 10. USB-C 11. DB-9 12. Lightning 13. SCSI 14. eSATA 15. Molex
Given a scenario, install RAM types.	1. RAM types SODIMM DDR2 DDR3 DDR4 2. Single channel 3. Dual channel 4. Triple channel 5. Error correcting 6. Parity vs. non-parity
Given a scenario, select, install and configure storage devices.	1. Optical drives CD-ROM/CD-RW DVD-ROM/DVD-RW/DVD-RW DL Blu-ray BD-R BD-RE 2. Solid-state drives M2 drives NVME SATA 2.5 3. Magnetic hard drives 5,400rpm 7,200rpm 10,000rpm 15,000rpm Sizes: - 2.5 - 3.5 4. Hybrid drives 5. Flash SD card CompactFlash Micro-SD card Mini-SD card xD 6. Configurations RAID 0, 1, 5, 10 Hot swappable
Given a scenario, install and configure motherboards, CPUs, and add-on cards.	1. Motherboard form factor ATX mATX ITX mITX 2. Motherboard connectors types PCI PCIe Riser card Socket types SATA IDE Front panel connector Internal USB connector 3. BIOS/UEFI settings Boot options Firmware updates Security settings Interface configurations Security 1. Passwords 2. Drive encryption - TPM - LoJack - Secure boot 4. CMOS battery 5. CPU features Single-core Multicore Virtualization Hyperthreading Speeds Overclocking Integrated GPU 6. Compatibility AMD Intel 7. Cooling mechanism Fans Heat sink Liquid Thermal paste 8. Expansion cards Video cards - Onboard - Add-on card Sound cards Network interface card USB expansion card eSATA card
Explain the purposes and uses of various peripheral types.	1. Printer 2. ADF/flatbed scanner 3. Barcode scanner/QR scanner 4. Monitors 5. VR headset 6. Optical drive types 7. Mouse 8. Keyboard 9. Touchpad 10. Signature pad 11. Game controllers 12. Camera/webcam 13. Microphone 14. Speakers 15. Headset 16. Projector Lumens/brightness 17. External storage drives 18. KVM 19. Magnetic reader/chip reader 20. NFC/tap pay device 21. Smart card reader
Summarize power supply types and features.	1. Input 115V vs. 220V 2. Output 5V vs. 12V 3. 24-pin motherboard adapter 4. Wattage rating 5. Number of devices/types of devices to be powered
Given a scenario, select and configure appropriate components for a custom PC configuration to meet customer specifications or needs.	1. Graphic/CAD/CAM design workstation SSD High-end video Maximum RAM 2. Audio/video editing workstation Specialized audio and video card Large, fast hard drive Dual monitors 3. Virtualization workstation Maximum RAM and CPU cores 4. Gaming PC SSD High-end video/specialized GPU High-definition sound card High-end cooling 5. Network attached storage device Media streaming File sharing Gigabit NIC RAID array Hard drive 6. Standard thick client Desktop applications Meets recommended requirements for selected OS 7. Thin client Basic applications Meets minimum requirements for selected OS Network connectivity
Given a scenario, install and configure common devices.	1. Desktop Thin client Thick client Account setup/settings 2. Laptop/common mobile devices Touchpad configuration Touchscreen configuration Application installations/configurations Synchronization settings Account setup/settings Wireless settings
Given a scenario, configure SOHO multifunction devices/printers and settings.	1. Use appropriate drivers for a given operating system Configuration settings - Duplex - Collate - Orientation - Quality 2. Device sharing Wired - USB - Serial - Ethernet Wireless - Bluetooth - 802.11(a, b, g, n, ac) - Infrastructure vs. ad hoc Integrated print server (hardware) Cloud printing/remote printing 3. Public/shared devices Sharing local/networked device via operating system settings - TCP/Bonjour/AirPrint Data privacy - User authentication on the device - Hard drive caching
Given a scenario, install and maintain various print technologies.	1. Laser Imaging drum, fuser assembly, transfer belt, transfer roller, pickup rollers, separate pads, duplexing assembly Imaging process: processing, charging, exposing, developing, transferring, fusing, and cleaning Maintenance: Replace toner, apply maintenance kit, calibrate, clean 2. Inkjet Ink cartridge, print head, roller, feeder, duplexing assembly, carriage, and belt Calibrate Maintenance: Clean heads, replace cartridges, calibrate, clear jams 3. Thermal Feed assembly, heating element Special thermal paper Maintenance: Replace paper, clean heating element, remove debris 4. Impact Print head, ribbon, tractor feed Impact paper Maintenance: Replace ribbon, replace print head, replace paper 5. Virtual Print to file Print to PDF Print to XPS Print to image 6. 3D printers Plastic filament
Virtualization and Cloud Computing - 12%
Compare and contrast cloud computing concepts.	1. Common cloud models IaaS SaaS PaaS Public vs. private vs. hybrid vs. community 2. Shared resources Internal vs. external 3. Rapid elasticity 4. On-demand 5. Resource pooling 6. Measured service 7. Metered 8. Off-site email applications 9. Cloud file storage services Synchronization apps 10. Virtual application streaming/cloud-based applications Applications for cell phones/tablets Applications for laptops/desktops 11. Virtual desktop Virtual NIC
Given a scenario, set up and configure client-side virtualization.	1. Purpose of virtual machines 2. Resource requirements 3. Emulator requirements 4. Security requirements 5. Network requirements 6. Hypervisor
Hardware and Network Troubleshooting - 27%
Given a scenario, use the best practice methodology to resolve problems.	- Always consider corporate policies, procedures, and impacts before implementing changes 1. Identify the problem Question the user and identify user changes to computer and perform backups before making changes Inquire regarding environmental or infrastructure changes Review system and application logs 2. Establish a theory of probable cause (question the obvious) If necessary, conduct external or internal research based on symptoms 3. Test the theory to determine cause Once the theory is confirmed, determine the next steps to resolve problem If theory is not confirmed re-establish new theory or escalate 4. Establish a plan of action to resolve the problem and implement the solution 5. Verify full system functionality and, if applicable, implement preventive measures 6. Document findings, actions, and outcomes
Given a scenario, troubleshoot problems related to motherboards, RAM, CPUs, and power.	1. Common symptoms Unexpected shutdowns System lockups POST code beeps Blank screen on bootup BIOS time and setting resets Attempts to boot to incorrect device Continuous reboots No power Overheating Loud noise Intermittent device failure Fans spin – no power to other devices Indicator lights Smoke Burning smell Proprietary crash screens (BSOD/pin wheel) Distended capacitors Log entries and error messages
Given a scenario, troubleshoot hard drives and RAID arrays.	1. Common symptoms Read/write failure Slow performance Loud clicking noise Failure to boot Drive not recognized OS not found RAID not found RAID stops working Proprietary crash screens (BSOD/pin wheel) S.M.A.R.T. errors
Given a scenario, troubleshoot video, projector, and display issues.	1. Common symptoms VGA mode No image on screen Overheat shutdown Dead pixels Artifacts Incorrect color patterns Dim image Flickering image Distorted image Distorted geometry Burn-in Oversized images and icons
Given a scenario, troubleshoot common mobile device issues while adhering to the appropriate procedures.	1. Common symptoms No display Dim display Flickering display Sticking keys Intermittent wireless Battery not charging Ghost cursor/pointer drift No power Num lock indicator lights No wireless connectivity No Bluetooth connectivity Cannot display to external monitor Touchscreen non-responsive Apps not loading Slow performance Unable to decrypt email Extremely short battery life Overheating Frozen system No sound from speakers GPS not functioning Swollen battery 2. Disassembling processes for proper reassembly Document and label cable and screw locations Organize parts Refer to manufacturer resources Use appropriate hand tools
Given a scenario, troubleshoot printers.	1. Common symptoms Streaks Faded prints Ghost images Toner not fused to the paper Creased paper Paper not feeding Paper jam No connectivity Garbled characters on paper Vertical lines on page Backed-up print queue Low memory errors Access denied Printer will not print Color prints in wrong print color Unable to install printer Printing blank pages No image on printer display Multiple failed jobs in logs
Given a scenario, troubleshoot common wired and wireless network problems.	1. Common symptoms Limited connectivity Unavailable resources 1. Internet 2. Local resources - Shares - Printers - Email No connectivity APIPA/link local address Intermittent connectivity IP conflict Slow transfer speeds Low RF signal SSID not found

Reference: https://certification.comptia.org/training/self-study/books/a-220-1001-220-1002-study-guide

CompTIA A+ Core 1 220-1001 Exam

CompTIA A+ Core 1 220-1001 Exam is related to CompTIA A+ Certification. It validates the Candidates knowledge to install and configure PC System Unit Components and Peripheral Devices, install, configure and troubleshoot display and Multimedia devices, explain network infrastructure concepts, implement Client Virtualization, support and troubleshoot Laptops. CompTIA A+ Certified Professional usually hold or pursue this certification and you can expect the same job roles after completion of this certification.

What is the duration of the 220-1001 Exam

Passing Score: 675 (on scale of 100 to 900)
Length of Examination: 90 minutes
Format: Multiple choices, multiple answers
Number of Questions: minimum 90

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