CompTIA A+ Certification Exam (901) (220-901日本語版) : 220-901日本語

  • Exam Code: 220-901日本語
  • Exam Name: CompTIA A+ Certification Exam (901) (220-901日本語版)
  • Updated: Jun 18, 2026
  • Q & A: 695 Questions and Answers

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CompTIA A+ Exam Certification Details:

Schedule ExamCompTIA Marketplace
Duration90 mins
Exam Code220-901
Number of Questions90
Passing Score675 / 900
Exam NameCompTIA A+
Exam Price$219 (USD)
Sample QuestionsCompTIA A+ Sample Questions

Exam Topics for CompTIA A+ 220-901

Dealing with the flexible, employee as well as standard working structures from Android and iPhone to Windows as well as Linux. Organization conventions like IPv4, IPv6, DHCP, and also subnet shroud to set up and also sustain wired as well as remote companies. Utilizing the nuts as well as bolts of virtualization, dispersed computer. Applying requirements of customers like help resolve IT issues. Selection trees for identifying, resolving, and also archiving fundamental tools and also show problems.

Mobile computing, protection and risk management, troubleshooting OSs/devices/apps/ services (by utilizing Windows operating systems as a recommendation). Utilizing networking devices including cabling, buttons and routers. Using virtualization as well as distributed computer. Organizing conventions consisting of IPv4, IPv6, DHCP as well as subnet shroud to set up and sustain wired and also remote companies. Networking fundamentals like the OSI version plus fundamental cabling. Setting up advantages as a switch as well as router. Troubleshooting fundamental issues with equipment, networks, OSs/devices/apps/ services( by using Windows operating systems as a reference).

Domain name 1: “Mount as well as set up PCs, servers, mobile phones, and also peripherals to fulfill business demands.” Domain name 2: “Maintain a COMPUTER, web server, smartphone, and also peripheral to minimize risk and also the expense of disturbance, recovery, as well as reconstruction.” Domain 3: “Take Care Of Computers (by utilizing laptop computers as a referral).”. Domain name 4: “Install/configure printers (by utilizing printers as a referral).”.

What is Difficulty for COMPTIA 220-901

Trouble degree for the 220-901 exam. There are a couple of tests to look at, and also the 220-901 CompTIA is among the harder. There are a few reasons for this. To begin with, it's an old exam, from 2001. So the layout of the questions has altered little since then. Secondly, there are unrestricted efforts to take 220-901 CompTIA, and also bear in mind that you will obtain not all these efforts in one day. You will get endless attempts to take the actual 220-901 CompTIA exam, and also you can take your exams over a time period. Holiday accommodations are made for those with special demands, so you can save your exam responses up until you prepare to take the real exam. This makes it harder to examine for this certain exam, and it makes it more difficult to pass. CompTIA A+ has 2 exams: 220-901 (equipment) and also 220-902 (software application). However, the software application test is a lot more difficult than the hardware one. It's been by doing this for several years now. Yet one more point is that CompTIA 220-901 exams are open publication and that indicates you can utilize whatever product you require. It's not a negative suggestion to obtain a broad understanding of the subject through which you'll be evaluated on CompTIA 220-901 exams prior to trying them as they might additionally enhance your chances of passing the tests with high scores much easier. Yet, it isn't very hard nonetheless you call for to understand the fundamentals of networking and also networking tools.

A number of IT professionals have had issues with the 220-901 CompTIA exam, yet there are numerous who have gotten their certification with no concern after preparing with our 220-901 Dumps. It is prescribed to bear in mind that if you are not a networking and networking devices expert, after that you will have concerns with the 220-901 CompTIA test. Regardless of whether this might not be a solid case for you, it is still recommended to first comprehend the basics of networking as well as major tenets of networks. If you achieve some knowledge concerning the fundamentals of the CompTIA 220-901 exam, what subject will certainly be checked out as well as what topics are normally evaluated, it will certainly be less demanding for you to obtain some assistance with passing the exam in the round. There are numerous resources available where you can gain some expertise on this subject and also iron out the basic concepts without having any type of concerns. Learning is a crucial ingredient to success for any type of specialist in IT.

Reference: https://certification.comptia.org/certifications/a

CompTIA 220-901 Exam Syllabus Topics:

TopicDetails
Hardware34%
Given a scenario, configure settings and use BIOS/UEFI tools on a PC.1. Firmware upgrades/flash BIOS
2. BIOS component information
  • RAM
  • Hard drive
  • Optical drive
  • CPU

3.BIOS configurations

  • Boot sequence
  • Enabling and disabling devices
  • Date/time
  • Clock speeds
  • Virtualization support
  • BIOS security (passwords, driveencryption: TPM, LoJack, secure boot)

4.Built-in diagnostics
5.Monitoring

  • Temperature monitoring
  • Fan speeds
  • Intrusion detection/notification
  • Voltage
  • Clock
  • Bus speed
Explain the importance of motherboard
components, their purpose and properties.
1.Sizes
  • ATX
  • Micro-ATX
  • Mini-ITX
  • ITX

2.Expansion slots

  • PCI
  • PCI-X
  • PCIe
  • miniPCI

3.RAM slots
4.CPU sockets
5.Chipsets

  • Northbridge
  • Southbridge

6.CMOS battery
7.Power connections and types
8.Fan connectors
9.Front/top panel connectors

  • USB
  • Audio
  • Power button
  • Power light
  • Drive activity lights

10.Bus speeds
11.Reset button

Compare and contrast various RAM types and their features.1.Types
  • DDR
  • DDR2
  • DDR3
  • SODIMM
  • DIMM
  • Parity vs. non-parity
  • ECC vs. non-ECC
  • RAM configurations

a)Single channel vs. dualchannel vs. triple channel

  • Single sided vs. double sided
  • Buffered vs. unbuffered

2.RAM compatibility

Install and configure PC expansion cards.1.Sound cards
2.Video cards
3.Network cards
4.USB cards
5.Firewire cards
6.Thunderbolt cards
7.Storage cards
8.Modem cards
9.Wireless/cellular cards
10.TV tuner cards
11.Video capture cards
12.Riser cards
Install and configure storage devices and use appropriate media.1.Optical drives
  • CD-ROM/CD-RW
  • DVD-ROM/DVD-RW/DVD-RW DL
  • Blu-ray
  • BD-R
  • BD-RE

2.Magnetic hard disk drives

  • 5400 rpm
  • 7200 rpm
  • 10,000 rpm

3.Hot swappable drives
4.Solid state/flash drives

  • Compact flash
  • SD
  • MicroSD
  • MiniSD
  • xD
  • SSD
  • Hybrid
  • eMMC

5.RAID types

  • 0
  • 1
  • 5
  • 10

6.Tape drive
7.Media capacity

  • CD
  • CD-RW
  • DVD-RW
  • DVD
  • Blu-ray
  • Tape
  • DVD DL
Install various types of CPUs and apply the appropriate cooling methods.

1.Socket types

  • Intel: 775, 1155, 1156, 1366, 1150, 2011
  • AMD: AM3, AM3+, FM1, FM2, FM2+
2.Characteristics
  • Speeds
  • Cores
  • Cache size/type
  • Hyperthreading
  • Virtualization support
  • Architecture (32-bit vs. 64-bit)
  • Integrated GPU
  • Disable execute bit
3. Cooling
  • Heat sink
  • Fans
  • Thermal paste
  • Liquid-based
  • Fanless/passive
Compare and contrast various PC connection interfaces,
their characteristics and purpose.
1.Physical connections
  • USB 1.1 vs. 2.0 vs. 3.0
  • Connector types: A, B, mini, micro
  • Firewire 400 vs. Firewire 800
  • SATA1 vs. SATA2 vs. SATA3, eSATA
  • Other connector types
  • VGA
  • HDMI
  • DVI
  • Audio
  • Analog
  • Digital (Optical connector)
  • RJ-45
  • RJ-11
  • Thunderbolt
2. Wireless connections
  • Bluetooth
  • RF
  • IR
  • NFC

3.Characteristics

  • Analog
  • Digital
  • Distance limitations
  • Data transfer speeds
  • Quality
  • Frequencies

Install a power supply based on given specifications.1.Connector types and their voltages
  • SATA
  • Molex
  • 4/8-pin 12v
  • PCIe 6/8-pin
  • 20-pin
  • 24-pin
2.Specifications
  • Wattage
  • Dual rail
  • Size
  • Number of connectors
  • ATX
  • MicroATX
  • Dual voltage options
Given a scenario, select the appropriate components for a custom PC configuration to meet customer specifications or needs.1.Graphic/CAD/CAM design workstation
  • Multicore processor
  • 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

  • Multicore processor
  • High-end video/specialized GPU
  • High-definition sound card
  • High-end cooling

5.Home theater PC

  • Surround sound audio
  • HDMI output
  • HTPC compact form factor
  • TV tuner

6.Standard thick client

  • Desktop applications
  • Meets recommended requirements for selected OS
7.Thin client
  • Basic applications
  • Meets minimum requirementsfor selected OS
  • Network connectivity
8.Home server PC
  • Media streaming
  • File sharing
  • Print sharing
  • Gigabit NIC
  • RAID array
Compare and contrast types of display devices and their features.

1.Types

  • LCD
  • TN vs. IPS
  • Fluorescent vs. LED backlighting
  • Plasma
  • Projector
  • OLED

2.Refresh/frame rates
3.Resolution
4.Native resolution
5.Brightness/lumens
6.Analog vs. digital
7.Privacy/antiglare filters
8.Multiple displays
9.Aspect ratios

  • 16:9
  • 16:10
  • 4:3
Identify common PC connector types and associated cables.1.Display connector types
  • DVI-D
  • DVI-I
  • DVI-A
  • DisplayPort
  • RCA
  • HD15 (i.e., DE15 or DB15)
  • BNC
  • miniHDMI
  • miniDin-6

2.Display cable types

  • HDMI
  • DVI
  • VGA
  • Component
  • Composite
  • Coaxial

3.Device cables and connectors

  • SATA
  • eSATA
  • USB
  • Firewire (IEEE1394)
  • PS/2
  • Audio

4.Adapters and convertors

  • DVI to HDMI
  • USB A to USB B
  • USB to Ethernet
  • DVI to VGA
  • Thunderbolt to DVI
  • PS/2 to USB
  • HDMI to VGA
Install and configure common peripheral devices.1.Input devices
  • Mouse
  • Keyboard
  • Scanner
  • Barcode reader
  • Biometric devices
  • Game pads
  • Joysticks
  • Digitizer
  • Motion sensor
  • Touch pads
  • Smart card readers
  • Digital cameras
  • Microphone
  • Webcam
  • Camcorder

2.Output devices

  • Printers
  • Speakers
  • Display devices

3.Input & output devices

  • Touch screen
  • KVM
  • Smart TV
  • Set-top Box
  • MIDI-enabled devices
Install SOHO multifunction device/printers and configure appropriate settings.1.Use appropriate drivers for agiven 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 devicevia operating system settings
  • TCP/Bonjour/AirPrint
  • Data privacy
  • User authentication on the device
  • Hard drive caching
Compare and contrast differences between the various print technologies and the associated imaging process.1.Laser
  • Imaging drum, fuser assembly,transfer belt, transfer roller, pickuprollers, separate pads,duplexing assembly
  • Imaging process: processing,charging, exposing, developing,transferring, fusing and cleaning

2.Inkjet

  • Ink cartridge, print head, roller, feeder,duplexing assembly, carriage and belt
  • Calibration

3.Thermal

  • Feed assembly, heating element
  • Special thermal paper

4.Impact

  • Print head, ribbon, tractor feed
  • Impact paper

5.Virtual

  • Print to file
  • Print to PDF
  • Print to XPS
  • Print to image
Given a scenario, perform appropriate printer maintenance.1.Laser
  • Replacing toner, applyingmaintenance kit, calibration, cleaning

2.Therma

  • Replace paper, clean heatingelement, remove debris

3.Impact

  • Replace ribbon, replaceprint head, replace paper

4.Inkjet

  • Clean heads, replace cartridges,calibration, clear jams
Networking 21%
Identify the various types of network cables and connectors.1.Fiber
  • Connectors: SC, ST and LC

2.Twisted Pair

  • Connectors: RJ-11, RJ-45
  • Wiring standards: T568A, T568B

3.Coaxial

  • Connectors: BNC, F-connector
Compare and contrast the characteristics of connectors and cabling.1.Fiber
  • Types (single-mode vs. multi-mode)
  • Speed and transmission limitations

2.Twisted pair

  • Types: STP, UTP, CAT3, CAT5, CAT5e,CAT6, CAT6e, CAT7, plenum, PVC
  • Speed and transmission limitations
  • Splitters and effects on signal quality

3.Coaxial

  • Types: RG-6, RG-59
  • Speed and transmission limitations
  • Splitters and effects on signal quality
Explain the properties and characteristics of TCP/IP.1.IPv4 vs. IPv6
2.Public vs. private vs. APIPA/link local
3.Static vs. dynamic
4. Client-side DNS settings
5.Client-side DHCP
6. Subnet mask vs. CIDR
7.Gateway
Explain common TCP and UDP ports, protocols and their purpose.1.Ports
  • 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

2.Protocols

  • DHCP
  • DNS
  • LDAP
  • SNMP
  • SMB
  • CIFS
  • SSH
  • AFP

3.TCP vs. UDP

Compare and contrast various WiFi networking standards and encryption types.1.Standards
  • 802.11 (a/b/g/n/ac)
  • Speeds, distances and frequencies

2.Encryption types

  • WEP, WPA, WPA2, TKIP, AES
Given a scenario, install and configure SOHO wireless/ wired router and apply appropriate settings.1.Channels
2.Port forwarding, port triggering
3.DHCP (on/off)
4.DMZ
5.NAT/DNAT
6.Basic QoS
7.Firmware
8. UPnP
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
Compare and contrast network architecture devices, their functions and features.1.Hub
2.Switch
3.Router
4.Access point
5.Bridge
6.Modem
7.Firewall
8.Patch panel
9.Repeaters/extenders
10.Ethernet over Power
11.Power over Ethernet injector
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
Mobile Devices 17%
Install and configure laptop hardware and components.1.Expansion options
  • Expresscard /34
  • Expresscard /54
  • SODIMM
  • Flash
  • Ports/Adapters
  • Thunderbolt
  • DisplayPort
  • USB to RJ-45 dongle
  • USB to WiFi dongle
  • USB to Bluetooth
  • USB Optical Drive

2.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
  • Mini-PCIe
  • Screen
  • DC jack
  • Battery
  • Touchpad
  • Plastics/frames
  • Speaker
  • System board
  • CPU
Explain the function of components within the display of a laptop.1.Types
  • LCD
  • TN vs. IPS
  • Fluorescent vs. LED backlighting
  • OLED

2.WiFi antenna connector/placement
3.Webcam
4.Microphone
5.Inverter
6.Digitizer

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
  • Touch pad (on/off)
  • Screen orientation
  • Media options (fast forward/rewind)
  • GPS (on/off)

Airplane mode
2.Docking station
3.Physical laptop lock and cable lock
4.Rotating/removable screens

Explain the characteristics of various types of other mobile devices.1.Tablets
2.Smartphones
3.Wearable technology devices
  • Smart watches
  • Fitness monitors
  • Glasses and headsets

4.Phablets
5.e-Readers
6.Smart camera
7.GPS

Compare and contrast accessories and ports of other mobile devices.1.Connection types
  • NFC
  • Proprietary vendor-specific ports (communication/power)
  • MicroUSB/miniUSB
  • Lightning
  • Bluetooth
  • IR
  • Hotspot/tethering
2.Accessories
  • Headsets
  • Speakers
  • Game pads
  • Docking stations
  • Extra battery packs/battery chargers
  • Protective covers/water proofing
  • Credit card readers
  • Memory/MicroSD
Hardware and Network Troubleshooting 28%
Given a scenario, troubleshoot common problems related to motherboards, RAM, CPU and power with appropriate tools.1.Common symptoms
  • Unexpected shutdowns
  • System lockups
  • POST code beeps
  • Blank screen on bootup
  • BIOS time and settings 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

2.Tools
  • Multimeter
  • Power supply tester
  • Loopback plugs
  • POST card/USB

Given a scenario, troubleshoot hard drives and RAID arrays with appropriate tools.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
2.Tools
  • Screwdriver
  • External enclosures
  • CHKDSK
  • FORMAT
  • File recovery software
  • Bootrec
  • Diskpart
  • Defragmentation tool
Given a scenario, troubleshoot common video, projector and display issues.1.Common symptoms
  • VGA mode
  • No image on screen
  • Overheat shutdown
  • Dead pixels
  • Artifacts
  • Color patterns incorrect
  • Dim image
  • Flickering image
  • Distorted image
  • Distorted geometry
  • Burn-in
  • Oversized images and icons
Given a scenario, troubleshoot wired and wireless networks with appropriate tools.1.Common symptoms
  • No connectivity
  • APIPA/link local address
  • Limited connectivity
  • Local connectivity
  • Intermittent connectivity
  • IP conflict
  • Slow transfer speeds
  • Low RF signal
  • SSID not found

2.Hardware tools

  • Cable tester
  • Loopback plug
  • Punchdown tools
  • Tone generator and probe
  • Wire strippers
  • Crimper
  • Wireless locator

3.Command line tools

  • PING
  • IPCONFIG/IFCONFIG
  • TRACERT
  • NETSTAT
  • NBTSTAT
  • NET
  • NETDOM
  • NSLOOKUP
Given a scenario, troubleshoot and repair 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 re-assembly
  • Document and label cable and screw locations
  • Organize parts
  • Refer to manufacturer resources
  • Use appropriate hand tools

Given a scenario, troubleshoot printers with appropriate tools.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
  • Error codes
  • Printing blank pages
  • No image on printer display

2.Tools

  • Maintenance kit
  • Toner vacuum
  • Compressed air
  • Printer spooler

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