CompTIA 220-901 Deutsch Q&A - in .pdf

  • Exam Code: 220-901 Deutsch
  • Exam Name: CompTIA A+ Certification Exam (901) (220-901 Deutsch Version)
  • Updated: Jul 15, 2026
  • Q & A: 695 Questions and Answers
  • PDF Price: $69.99
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CompTIA 220-901 Deutsch Q&A - Testing Engine

  • Exam Code: 220-901 Deutsch
  • Exam Name: CompTIA A+ Certification Exam (901) (220-901 Deutsch Version)
  • Updated: Jul 15, 2026
  • Q & A: 695 Questions and Answers
  • Install on multiple computers for self-paced, at-your-convenience training.
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What is Exam Formate of CompTIA A+ (220-901)

The exam format used for the CompTIA A+ certification is question and answer. The exam is multiple choice and takes between 4 and 8 hours to complete.

  • Number of Questions: 60-70
  • Length of exam: 90 minutes
  • Format: Multiple choices, multiple answers

CompTIA A+ Exam Certification Details:

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

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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CompTIA 220-901 Deutsch Exam Syllabus Topics:

SectionWeightObjectives
Networking21%- SOHO and wireless networking
  • 1. Wireless security
  • 2. 802.11 standards
- Network devices
  • 1. Switches
  • 2. Routers
  • 3. Wireless access points
- Cabling and connectors
  • 1. Coaxial
  • 2. Fiber
  • 3. UTP/STP
- Network architectures and technologies
  • 1. Ports and protocols
  • 2. IPv4 and IPv6
  • 3. TCP/IP
Mobile Devices17%- Other mobile devices
  • 1. Tablets
  • 2. Wearable devices
  • 3. Smartphones
- Mobile device configuration
  • 1. Synchronization
  • 2. Email configuration
  • 3. Wireless connectivity
- Laptop hardware and components
  • 1. Laptop displays
  • 2. Docking stations
  • 3. Batteries
- Mobile device accessories and ports
  • 1. USB
  • 2. NFC
  • 3. Bluetooth
Hardware and Network Troubleshooting28%- Display troubleshooting
  • 1. No image
  • 2. Artifacts
  • 3. Distorted display
- Network troubleshooting
  • 1. Connectivity issues
  • 2. IP configuration problems
  • 3. Wireless issues
- PC hardware troubleshooting
  • 1. Motherboard issues
  • 2. RAM issues
  • 3. CPU and power issues
- Printer troubleshooting
  • 1. Print quality issues
  • 2. Paper jams
  • 3. Connectivity problems
- Storage troubleshooting
  • 1. RAID issues
  • 2. Drive failures
- Mobile device troubleshooting
  • 1. Battery issues
  • 2. Touchscreen issues
  • 3. Wireless connectivity issues
Hardware34%- Install and configure PC components
  • 1. Motherboards
  • 2. CPUs
  • 3. RAM
  • 4. Power supplies
- Install and configure storage devices
  • 1. SSDs
  • 2. RAID
  • 3. Hard drives
- Configure, install and maintain display components and devices
  • 1. Video connectors and adapters
  • 2. Monitors and display technologies
- Install and configure peripheral devices
  • 1. Scanners
  • 2. Printers
  • 3. Input devices

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