CompTIA A+ (220-901) Practice Exam

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• What is the main functionality of a subnet mask?
• In networking, what does the term "bandwidth" refer to?
• What does the acronym SSD stand for?
• What does the acronym GPU stand for?
• Which component is responsible for modifying AC voltage into DC voltage?
• What is the key difference between a hub and a switch?
• What type of device is a modem?
• Which networking device connects two different network segments?
• What wireless security protocol is considered the most secure?
• Which device is used to connect a computer to a network?
• Which wireless standard operates at 5 GHz and offers higher speeds?
• Which type of storage technology is non-volatile and can be electrically erased and reprogrammed?
• How many pins are contained in the Molex drive connector?
• Which protocol is used to securely browse the web?
• What is the maximum data transfer rate for USB 3.0?
• What is a subnet in networking?
• Which Windows tool can help you recover accidentally deleted files?
• Which of the following best describes a firewall?
• Which type of memory is volatile and loses its contents when power is turned off?
• Which standard is commonly used for display adapters in modern computer systems?
• What is the purpose of thermal paste in computer assembly?
• Which of the following is an example of non-volatile storage?
• Which component is primarily responsible for processing instructions in a computer?
• Which category of UTP is most commonly used to achieve 1Gbps transfer speeds?
• Which protocol is primarily used for transferring files over the internet?
• Which protocol is primarily used on the internet and local area networks today?
• What tools are typically used to visualize network connections and troubleshoot connectivity?
• What is the maximum length of a USB cable for optimal performance?
• What term describes a virus that spreads without user intervention?
• In the context of computer components, what does PSU stand for?
• What type of firmware supports the new Secure Boot option to guarantee the integrity of the startup files?
• Which of the following is a benefit of using a solid-state drive (SSD) over a traditional hard drive (HDD)?
• Which component is most crucial for rendering graphics-intensive applications?
• What does the acronym RAID stand for?
• What is the primary function of a motherboard?
• A data pathway in a computer system is commonly referred to as what?
• What is the function of the motherboard in a computer?
• What does CPU stand for in computer components?
• What does the acronym BIOS stand for?
• Which PC component provides data communications for all other internal and external components?
• Which of the following is an example of an output device?
• What is the term used to describe wireless communications that integrate wired and wireless technologies and use an access point?
• What does the term "SSID" refer to in wireless networking?
• What is the latest encryption standard for wireless communications using AES for encryption?
• How can an administrator manage local users on a Windows system?
• All modern devices support __________________ so device drivers are loaded automatically and resources configured when the device is first connected to the system?
• What is the standard voltage provided by USB connections?
• What is the primary function of the Windows Task Manager?
• What access control method enforces that users can only access files and resources necessary for their job functions?
• What type of network uses a star topology?
• How can you boost the signal strength of a wireless network?
• What does the acronym VoIP stand for?
• What device is used to connect multiple networks together?
• What is the decimal value of the binary number 1101 1100?
• Which version of Ethernet can transmit data at speeds up to 1Gbps?
• Which laptop component is most likely to require replacement over time?
• Which standard uses a master/slave configuration for drives?
• What command do you use to display a list of available drives in a command prompt?
• What is the function of a firewall in a networked system?
• Which chip on the motherboard is responsible for high-speed communications between the CPU, video, and RAM?
• Name a common protocol used to retrieve emails from a server.
• What is the primary function of a PS/2 port?
• What does the acronym HDMI stand for?
• Which type of expansion slot is generally used for high-performance graphics cards?
• What type of cabling uses optical pulses of light for data transmission?
• What is the most common architecture used for CPUs today?
• Which feature must be enabled in the BIOS to help prevent malware from corrupting system files?
• Which protocol is commonly used for secure data transmission over the internet?
• Which device typically connects different networks together?
• Which Windows feature allows for restoring the system to a previous state?
• In Windows, what file system format is commonly used for transferring files on USB flash drives?
• What is the primary purpose of a router in a network?
• In networking, what does SSID stand for?
• Which device is used to prevent traffic from one network to another network segment and is commonly used at the network perimeter?
• Which key is generally used to refresh a webpage in a browser?
• What type of malware disguises itself as legitimate software?
• What does the acronym VPN stand for?
• Which command can be used to view network configurations in Windows?
• What is the function of a firewall in a network?
• Which chip works alongside the CPU to manage communications between slower peripherals?
• What is the function of the power-on self-test (POST)?
• What type of malware locks files and demands payment for access?
• What type of cable is used for connecting devices to a network switch?
• What optical media can use two layers to write 8.5 GB of data?
• What is the maximum data transfer rate of USB 3.0?
• Which network device is primarily used to transmit packets between different network segments?
• What does the SATA 3 standard specifically improve upon compared to earlier SATA versions?
• What network device primarily functions to segment traffic and enhance performance?
• Which component is responsible for handling wired networking connections?
• Which wireless protocol operates at 2.4 GHz and provides a maximum speed of 54 Mbps?
• What does the term "ping" measure in networking?
• Which part of the computer is known as the "brain"?
• What does the acronym RAM stand for?
• What are the three primary voltages provided by the power supply in most systems?
• Which file extension is commonly associated with Windows application installation packages?
• Which device in the computer system is responsible for processing information obtained from various input devices?
• Which device serves as an interface between a user and the computer?
• What is the function of a firewall in a network?
• Which protocol is primarily used for secure web communication?
• What internal hardware component is used for secondary storage?
• Which component acts as the brain of the computer?
• What type of printer uses toner to create images on paper?
• What commonly causes the "Blue Screen of Death" in Windows systems?
• What feature can be adjusted to help extend the battery life of a portable computer?
• For which type of data transmission does fiber optic cabling excel?
• What component must typically be upgraded when working with high-end graphics for gaming?
• Which standard allows high-speed data transfer at 800Mbps and supports up to 63 devices on a single channel?
• What is the maximum length for fiber optic cables typically used in networking?
• What type of RAM retains its data when power is lost?
• In the context of IPv4, how many bits are in an address?
• What command would you use to view the current directory in Command Prompt?
• Which command is used to ping a network device using its IP address?
• What type of connector is typically used for a VGA display?
• Which component is used for long-term data storage in a computer?
• Which Windows file system supports file compression and encryption?
• Which network service resolves user-friendly names to numerical IP addresses?
• Which technology is often used to send output information to a high definition television?
• What is a common port number for HTTP traffic?
• Which data path width allows modern memory modules to transmit 8 bytes of data simultaneously?
• What technology improves the performance of hard drives by using a small amount of faster memory?
• What does BIOS stand for?
• Which network service is responsible for assigning IP addresses to clients connecting to the network?
• What type of cable is typically used for Ethernet networking?
• What type of connector is typically used for video output from a computer?
• What are the small storage areas used by the CPU to hold data as it processes information called?
• What is the function of a UPS (Uninterruptible Power Supply)?
• What is the last stage of the laser printing process that ensures toner is melted to the paper?
• What is typically the maximum data transfer speed of USB 2.0?
• What file system is commonly used by Windows operating systems?
• How is data backed up using the Windows Backup and Restore utility?
• Which drive standard is less common today and required master/slave configuration for multiple drives?
• What does the term “overclocking” refer to?
• What is the primary purpose of a router?
• Which component of a computer is typically non-removable and contains the operating system?
• What is the purpose of an IP address?
• Which component is responsible for rendering images to the display?
• What does RAM stand for?
• In the context of a hard drive, what does RAID stand for?
• What does the acronym LCD stand for in display technology?
• What is the purpose of thermal paste in computer assembly?
• Which component in a computer is responsible for processing instructions?
• Which type of network topology has all devices connected in a line?
• Which protocol is used for secure web browsing?
• What is the purpose of a patch in software?
• What is meant by the term "cloud computing"?
• What does DHCP stand for?
• Which type of printer uses a laser to produce an image?
• Which system utility is used for checking disk integrity in Windows?
• How can one access the BIOS setup utility?
• Which device is primarily used to connect multiple devices within the same network segment?
• What is the primary purpose of an operating system?
• What is the function of an operating system?
• What is the primary purpose of DHCP in a network?
• What is the main function of an operating system?
• What is the difference between symmetric and asymmetric encryption?
• What technology is used in Windows for file backup?
• What does the acronym VPN stand for in network security?
• What is the function of a router’s NAT?
• What is the latest RAM standard that can operate at bandwidths up to 12,800 Mbps?
• What is the primary purpose of device drivers?
• What is the main purpose of a motherboard?
• In networking, what does NAT stand for?
• What does the term "latency" refer to in network performance?
• What type of cabling must you run if you are to utilize the HVAC vents to run network lines?
• What does the acronym A+ represent in CompTIA certification?
• Which type of port is traditionally used for connecting mice and keyboards?
• Which of the following is a characteristic of SSDs compared to HDDs?
• What type of storage is typically faster, SSD or HDD?
• What is the maximum range of Wi-Fi 802.11b?
• What is a primary characteristic of SSDs compared to traditional hard drives?
• Which component should you check if you are getting garbled output to a printer?
• What does the BIOS stand for?
• In a Windows OS, what is the default file extension for a Word document?
• Which device is primarily responsible for connecting different segments of a network?
• What is the standard connector on a UTP cable?
• The primary internal component of a CPU that is responsible for performing calculations is known as what?
• What is the maximum number of devices that can be connected to a single USB 2.0 hub?
• What is the function of a router in a network?
• Which component is responsible for permanent data storage in most computers?
• What is the primary function of RAM in a computer?
• What does the acronym BIOS stand for?
• Which standard provides the best compatibility for modern GPUs?
• What technology improves data storage speed by eliminating moving parts?
• Which operating system is known for its open-source nature and wide variety of distributions?
• How many devices can be supported by the USB 3.0 standard?
• What device is commonly described as a mini computer in your pocket running a mobile operating system?
• What type of malware is designed to replicate itself and spread to other systems?
• What device should you suspect if you smell something burning coming from the PC?
• What feature of Windows allows users to restore their system to an earlier state?
• What type of storage is faster, SSD or HDD?
• What does POST stand for in computer startup processes?
• Which type of storage device is fastest?
• What is the purpose of the power supply unit (PSU) in a computer?
• Which of the following best describes the role of an operating system?
• Which tool is used to diagnose and resolve connection issues in Windows?
• Which type of printer uses toner?
• What is the purpose of a cache in computer processing?
• TCP/IP addresses in the current version most heavily used today are how many bits long?
• What does a firewall primarily protect against?
• What does the acronym DHCP stand for?
• Which PC component is known as primary storage and loses its content when power is removed?
• What command is used in Windows to check the status of system files?
• Which network device has replaced hubs in most networks due to increased efficiency?
• What component is used to cool the CPU?
• Which component is most likely to utilize a DVI-D connection in a PC setup?
• What role does an IP address play in networking?
• What type of memory is non-volatile and can be electrically erased and reprogrammed?
• What does the acronym PSU stand for?
• How many pins are contained in the SATA data cable?
• What type of RAM is commonly used in laptops?
• What is the primary benefit of solid-state drives (SSDs) compared to hard disk drives (HDDs)?
• Which optical media has a maximum capacity of 50GB on dual layer discs?
• What is the maximum data transfer rate of the SATA 3 drive standard?
• Where are the instructions to start the computer system stored?
• Which file system is commonly used by Windows operating systems?
• What is the function of a firewall in a network?
• What is the function of a firewall?
• What is the name of the physical connection that allows devices to connect to a network?
• Which Windows feature can be used to protect against hardware failures?
• What does the term "virtual memory" refer to?
• What type of Internet connection is often capable of 75Mbps or more and utilizes shared data access?
• During which stage of the laser printing process is the image imprinted on the EP drum by the laser?
• Which Wi-Fi standard provides data transfer rates up to 54Mbps on the 2.4GHz frequency?
• What protocol is commonly used for secure web browsing?
• In which component can you find the CPU?
• What is the first step in the troubleshooting process?
• What is the maximum length for a USB 2.0 cable?
• Which command is used to check the IP configuration on Windows?
• What is the maximum data transfer rate of USB 2.0?
• What is the primary function of the CPU?
• What does the acronym SSD stand for?
• Which device can be used to share an internet connection among multiple devices?
• What is the maximum theoretical transfer speed for USB 1.1?
• What is the maximum cable length limitation for standard Ethernet network cables?
• What is the primary protocol used for sending email?
• What should you enable to hide your wireless network from users unless they knew its name?
• What does CLI stand for in computing?
• Modern CPUs typically feature multiple __________ to enhance performance.
• What is the maximum cable length limitation for the USB 2.0 standard?
• What security measure involves continually updating software to protect against vulnerabilities?