CompTIA 220-901 Deutsch dumps - in .pdf

220-901 Deutsch pdf
  • Exam Code: 220-901 Deutsch
  • Exam Name: CompTIA A+ Certification Exam (901) (220-901 Deutsch Version)
  • Updated: Jul 20, 2026
  • Q & A: 695 Questions and Answers
  • PDF Price: $69.99

CompTIA 220-901 Deutsch Value Pack
(Frequently Bought Together)

220-901 Deutsch Online Test Engine

Online Test Engine supports Windows / Mac / Android / iOS, etc., because it is the software based on WEB browser.

  • Exam Code: 220-901 Deutsch
  • Exam Name: CompTIA A+ Certification Exam (901) (220-901 Deutsch Version)
  • Updated: Jul 20, 2026
  • Q & A: 695 Questions and Answers
  • PDF Version + PC Test Engine + Online Test Engine
  • Value Pack Total: $139.98  $89.99
  • Save 50%

CompTIA 220-901 Deutsch dumps - Testing Engine

220-901 Deutsch Testing Engine
  • Exam Code: 220-901 Deutsch
  • Exam Name: CompTIA A+ Certification Exam (901) (220-901 Deutsch Version)
  • Updated: Jul 20, 2026
  • Q & A: 695 Questions and Answers
  • Software Price: $69.99
  • Testing Engine

About CompTIA 220-901 Deutsch Exam Test Dumps

Nowadays, with the rapid development of technology, having a good command of technology skills is like having a stepping stone to your admired position (220-901 Deutsch exam study material). For example, if you studied in an ordinary college, while others graduated from prestigious universities, to some extent, you are already behind them. How can we change this terrible circumstance? A professional certificate will be of great help, and you had better choose 220-901 Deutsch exam study material which is perfectly designed by our intelligent programmer for people to gain the certificate. Why should you make your decision on the 220-901 Deutsch training pdf vce? The reasons are listed as follows.

Free Download 220-901 Deutsch tests dumps

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

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

High passing rate

Anyone who studies in this field knows that a certificate is significant for their job. And the 220-901 Deutsch exam training material strongly hold the view that a perfect analog exam system is closely linked with the real exam, so the 220-901 Deutsch exam training material with their earnest work commit their full energy to work out new question types. The 220-901 Deutsch online test engine has a great number of users and 99% of them passed the exam successfully. As you can see, 220-901 Deutsch training material really deserves a lot of credit, since it has a good reputation among the customers indeed. In a way, when you choose CompTIA 220-901 Deutsch valid practice demo, it means you make a right decision for your future, also we know that the time you need to put into your exam won't be little, considering 220-901 Deutsch exam training material promise you a high passing rate, and all you need to do is to make full use of it. And you will see the results exceed your expectations. Therefore, you can get rid of the tedious questions, the certificate is efficacious.

Use right after you pay

We are familiar with the situation that when you buy something online, you have paid the bills, but you still have to wait for a long time before you get your stuff. That is terrible. This time when you choose our 220-901 Deutsch exam study questions, you can receive it soon, you don't have to wait and wait. We have placed ourselves in your position and we are tired of waiting, so you don't have to wait any more for our 220-901 Deutsch study material. The customer service will send you 220-901 Deutsch exam training material to you as soon as possible so long as you paid your bills. Time waits for no man. Just buy the CompTIA 220-901 Deutsch exam study questions when you want to practice your skills and then you are on your way to your dreams.

Salary of CompTIA A+ (220-901) certified professionals

The CompTIA A+ certification has taken the computing industry by storm and is being recognized as one of the most important industry certifications for technicians. The average salary for a CompTIA A+ certified professional is about 64,000 USD.

  • Salary: 45k to 75k USD

A+ exams are offered on a yearly basis in six regions throughout the United States and available globally through Pearson VUE testing centers. Each region will have a different set of exam objectives, which dictate which form of exam you will receive.

Firm protection of privacy

As we all know, Internet is highly connected with our daily life and you may find your private information through the Internet just using your mouse and keyboard. So do others. Therefore, great attention should be put into the privacy information protection awareness. If you buy 220-901 Deutsch exam study material, we promise you a safe shopping environment, you can buy the 220-901 Deutsch pdf study material without any hesitation, since we have a trustworthy system for our customers so that you won't be frustrated about some spam messages or even your privacy being revealed. And the credit can be seen among the previous 220-901 Deutsch : CompTIA A+ Certification Exam (901) (220-901 Deutsch Version) exam training pdf buyers. Also, we won't ask you for too much private information, we always put your benefit ahead.

After purchase, Instant Download: Upon successful payment, Our systems will automatically send the product you have purchased to your mailbox by email. (If not received within 12 hours, please contact us. Note: don't forget to check your spam.)

CompTIA 220-901 Deutsch Exam Syllabus Topics:

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

Contact US:

Support: Contact now 

Free Demo Download

Over 28966+ Satisfied Customers

What Clients Say About Us

LEAVE A REPLY

Your email address will not be published. Required fields are marked *

QUALITY AND VALUE

TestsDumps Practice Exams are written to the highest standards of technical accuracy, using only certified subject matter experts and published authors for development - no all study materials.

TESTED AND APPROVED

We are committed to the process of vendor and third party approvals. We believe professionals and executives alike deserve the confidence of quality coverage these authorizations provide.

EASY TO PASS

If you prepare for the exams using our TestsDumps testing engine, It is easy to succeed for all certifications in the first attempt. You don't have to deal with all dumps or any free torrent / rapidshare all stuff.

TRY BEFORE BUY

TestsDumps offers free demo of each product. You can check out the interface, question quality and usability of our practice exams before you decide to buy.