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CompTIA A+ Exam

CompTIA A+ Certification Exam: Core 1 (220-1001) Objectives 

Jul 11, 20218 mins readAmit Masih
CompTIA A+ Certification Exam: Core 1 (220-1001) Objectives 

CompTIA A+ Certification Exam: Core 1 (220-1001) Objectives 

The CompTIA A+ certification is an entry-level credential for IT professionals, validating troubleshooting and networking knowledge and skills. It is the second certification under CompTIA's Core certification, just after you pass the CompTIA IT Fundamentals certification.

Understanding how to use various systems and their specialties is vital in order to configure them in congruence with corporate policy. So, this article discusses a detailed overview of the CompTIA A+ certification exam.

CompTIA A+ (220-1001) Exam Details

  • Required exam - Core 1
  • Number of questions - Maximum of 90
  • Types of questions - Multiple choice and performance-based
  • Length of test - 90 minutes
  • Recommended experience - 12 months of experience as an IT support specialist
  • Passing score- 675 (on a scale of 100–900)

CompTIA A+ Exam (220-1001) objectives (domains)

Here is the breakdown of CompTIA A+ exam (220-1001) objectives, divided into major five categories:

1.0 Mobile Devices - 14% 2.0 Networking - 20% 3.0 Hardware - 27% 4.0 Virtualization and Cloud Computing - 12% 5.0 Hardware and Network Troubleshooting - 27%

Domain 1.0 - Mobile Devices - 14%

The CompTIA A+ certification exam's first domain (220-1001) focuses on installing and configuring laptop hardware and components, using appropriate laptop features, comparing and contrasting characteristics, and much more. Domain number one itself makes up 14% of the candidate's overall score.

The mobile devices, domain number one, is divided into the seven followings sections:

1.1 Given a scenario, install and configure laptop hardware and components.

  • Hardware/device replacement

1.2 Given a scenario, install components within the display of a laptop.

  • Types
  • WiFi antenna connector/placement
  • Webcam
  • Microphone
  • Inverter
  • Digitizer/touchscreen

1.3 Given a scenario, use appropriate laptop features.

  • Special function keys
  • Docking station
  • Port replicator
  • Physical laptop lock and cable lock
  • Rotating/removable screens

1.4 Compare and contrast characteristics of various types of other mobile devices.

  • Tablets
  • Smartphones
  • Wearable technology devices
  • E-readers
  • GPS

1.5 Given a scenario, connect and configure accessories and ports of other mobile devices.

  • Connection types
  • Accessories

1.6 Given a scenario, configure basic mobile device network connectivity and application support.

  • Wireless/cellular data network (enable/disable)
  • Bluetooth
  • Corporate and ISP email configuration
  • Integrated commercial provider email configuration
  • PRI updates/PRL updates/ baseband updates
  • Radio firmware
  • IMEI vs. IMSI
  • VPN

1.7 Given a scenario, use methods to perform mobile device synchronization.

  • Synchronization methods
  • Types of data to synchronize
  • Mutual authentication for multiple services (SSO)
  • Software requirements to install the application on the PC
  • Connection types to enable synchronization


Domain 2.0 - Networking - 20%

The CompTIA A+ (220-1001) exam's second domain focuses on comparing and contrasting common networking hardware and devices, installing and configuring wired and wireless networks, explaining common network configuration protocols, and many more. Networking, domain number two, is alone accountable for 20% of the questions in the CompTIA A+ exam. 

Networking, domain number two, is divided into eight major parts:

2.1 Compare and contrast TCP and UDP ports, protocols, and their purposes.

  • Ports and protocols
  • TCP vs. UDP

2.2 Compare and contrast common networking hardware devices.

  • Routers
  • Switches
  • Access points
  • Cloud-based network controller
  • Firewall
  • Network interface card
  • Repeater
  • Hub
  • Cable/DSL modem
  • Bridge
  • Patch panel
  • Power over Ethernet (PoE)
  • Ethernet over Power

2.3 Given a scenario, install and configure a basic wired/wireless SOHO network.

  • Router/switch functionality
  • Access point settings
  • IP addressing
  • NIC configuration
  • End-user device configuration
  • IoT device configuration
  • Cable/DSL modem configuration
  • Firewall settings
  • QoS
  • Wireless settings

2.4 Compare and contrast wireless networking protocols.

  • 802.11a
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11ac
  • Frequencies
  • Channels
  • Bluetooth
  • NFC
  • RFID
  • Zigbee
  • Z-Wave
  • 3G
  • 4G
  • 5G
  • LTE

2.5 Summarize the properties and purposes of services provided by networked hosts.

  • Server roles
  • Internet appliance
  • Legacy/embedded systems

2.6 Explain common network configuration concepts.

  • IP addressing
  • DNS
  • DHCP
  • IPv4 vs. IPv6
  • Subnet mask
  • Gateway
  • VPN
  • VLAN
  • NA

2.7 Compare and contrast Internet connection types, network types, and their features.

  • Internet connection types
  • Network types

2.8 Given a scenario, use appropriate networking tools.

  • Crimper
  • Cable stripper
  • Multimeter
  • Tone generator and probe
  • Cable tester
  • Loopback plug
  • Punchdown tool
  • WiFi analyzer


Domain 3.0 - Hardware - 27%

CompTIA A+ exam's third domain covers the basic cable types, features, their purposes, identifying standard connector types, installing and configuring storage devices, SOHO multifunction devices, and much more. The hardware domain accounts for 27% of the CompTIA A+ certification exam questions. 

Hardware, domain number three, focuses on the following major sectors: 

3.1 Explain basic cable types, features, and their purposes.

  • Network cables
  • Video cables
  • Multipurpose cables
  • Peripheral cables
  • Hard drive cables
  • Adapters

3.2 Identify common connector types.

  • RJ-11
  • RJ-45
  • RS-232
  • BNC
  • RG-59
  • RG-6
  • USB
  • Micro-USB
  • Mini-USB
  • USB-C
  • DB-9
  • Lightning
  • SCSI
  • eSATA
  • Molex

3.3 Given a scenario, install RAM types.

  • RAM types
  • Single channel
  • Dual channel
  • Triple channel
  • Error correcting
  • Parity vs. non-parity

3.4 Given a scenario, select, install and configure storage devices.

  • Optical drives
  • Solid-state drives
  • Magnetic hard drives
  • Hybrid drives
  • Flash
  • Configurations

3.5 Given a scenario, install and configure motherboards, CPUs, and add-on cards.

  • Motherboard form factor
  • Motherboard connectors types
  • BIOS/UEFI settings
  • CMOS battery
  • CPU features
  • Compatibility
  • Cooling mechanism
  • Expansion cards

3.6 Explain the purposes and uses of various peripheral types.

  • Printer
  • ADF/flatbed scanner
  • Barcode scanner/QR scanner
  • Monitors
  • VR headset
  • Optical drive types
  • Mouse
  • Keyboard
  • Touchpad
  • Signature pad
  • Game controllers
  • Camera/webcam
  • Microphone
  • Speakers
  • Headset
  • Projector
  • External storage drives
  • KVM
  • Magnetic reader/chip reader
  • NFC/tap pay device
  • Smart card reader

3.7 Summarize power supply types and features.

  • Input 115V vs. 220V
  • Output 5V vs. 12V
  • 24-pin motherboard adapter
  • Wattage rating
  • Number of devices/types of devices to be powered

3.8 Given a scenario, select and configure appropriate components for a custom PC configuration to meet customer specifications or needs.

  • Graphic/CAD/CAM design workstation
  • Audio/video editing workstation
  • Virtualization workstation
  • Gaming PC
  • Network attached storage device
  • Standard thick client
  • Thin client

3.9 Given a scenario, install and configure common devices.

  • Desktop
  • Laptop/common mobile devices

3.10 Given a scenario, configure SOHO multifunction devices/printers and settings.

  • Use appropriate drivers for a given operating system
  • Device sharing
  • Public/shared devices

3.11 Given a scenario, install and maintain various print technologies.

  • Laser
  • Inkjet
  • Thermal
  • Impact
  • Virtual
  • 3D printers

Domain 4.0 - Virtualization and Cloud Computing - 12%

Virtualization and cloud computing, the fourth domain of the CompTIA A+ certification exam, covers cloud computing concepts, setting and configuring client-side concepts. The domain is responsible for 12% of the questions in the exam. 

Virtualization and cloud computing domain shares the following two significant parts in the exam:   4.1 Compare and contrast cloud computing concepts.

-Common cloud models

  • Shared resources
  • Rapid elasticity
  • On-demand
  • Resource pooling
  • Measured service
  • Metered
  • Off-site email applications
  • Cloud file storage services
  • Virtual application streaming/ cloud-based applications
  • Virtual desktop

4.2 Given a scenario, set up and configure client-side virtualization.

  • Purpose of virtual machines
  • Resource requirements
  • Emulator requirements
  • Security requirements
  • Network requirements
  • Hypervisor  

Domain 5.0 - Hardware and Network Troubleshooting - 27%

The hardware and network troubleshooting, domain number five of the CompTIA A+ certification exam, covers a wide range of topics. This includes troubleshooting problems related to the motherboard, RAM, CPUs, common mobile device issues, printers, and much more. This domain is accountable for 27% of the questions in the CompTIA A+ exam. 

The domain is divided into seven critical parts:

5.1 Given a scenario, use the best practice methodology to resolve problems.

  • Always consider corporate policies, procedures, and impacts before implementing changes
  • Identify the problem
  • Establish a theory of probable cause (question the obvious)
  • Test the theory to determine cause
  • Establish a plan of action to resolve the problem and implement the solution
  • Verify full system functionality and, if applicable, implement preventive measures
  • Document findings, actions, and outcomes

5.2 Given a scenario, troubleshoot problems related to motherboards, RAM, CPUs, and power.

  • Common symptoms

5.3 Given a scenario, troubleshoot hard drives and RAID arrays.

  • Common symptoms

5.4 Given a scenario, troubleshoot video, projector, and display issues.

  • Common symptoms

5.5 Given a scenario, troubleshoot common mobile device issues while adhering to the appropriate procedures.

  • Common symptoms
  • Disassembling processes for proper reassembly

5.6 Given a scenario, troubleshoot printers.

  • Common symptoms

5.7 Given a scenario, troubleshoot common wired and wireless network problems.

  • Common symptoms
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