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

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• Upon noticing smoke and a strange odor from a computer, what is the most important immediate action to take?
• Which wireless standard operates on 5 GHz frequency?
• What is the most common video output port found on modern graphics cards?
• What is the main function of the CPU?
• What device is typically used to scan hardware that contains an embedded microchip for authentication?
• What should you do if a user is frustrated while trying to install a new device and having trouble updating the driver over the phone?
• Which command is commonly used in Windows to check disk integrity?
• What device is used to connect a computer to a wired network?
• What unit of measurement is commonly used to determine the speed of a processor?
• If a new system fails to boot and emits a beep code, what is the most likely cause of this issue?
• What is the primary purpose of a power supply unit in a computer?
• After receiving several complaints from employees about a laser printer, you conclude that the most probable cause is a dirty drum. What is the MOST logical reason for this conclusion?
• What is the main purpose of documenting resolution steps after troubleshooting an issue?
• What is the best option for ordering new toner cartridges for printers that require high reliability?
• What type of attack involves redirecting a user from a legitimate site to a malicious one?
• In wireless networks, what does SSID stand for?
• Which network protocol is commonly used for secure communication over the internet?
• Which type of port is typically used for high-definition audio and video output?
• What primarily differentiates a virtual switch from a traditional switch?
• What protocol is primarily used for secure communication over the internet?
• What is the function of the heatsink in a computer?
• What connector is primarily used with unshielded twisted pair (UTP) cable?
• Which method is commonly used to prevent ESD damage when handling computer components?
• What is the purpose of thermal paste in a computer?
• Which wireless network configuration method provides the best protection for data transmitted over the network?
• What type of mobile devices should the human resources department search for to give as gifts at a summer party?
• What does QoS stand for in networking?
• What type of malware is designed to replicate itself and spread to other computers?
• Which type of cloud service model provides applications over the internet?
• To improve the security of a wireless network, which measure is recommended?
• What is the primary purpose of an operating system?
• What is the effect of underclocking a CPU?
• What is the primary function of a router in a network?
• A user pays for a retail purchase by placing a smartphone next to the merchant's reader. Which of the following mobile device connections is being used?
• Which networking device is responsible for connecting multiple devices within the same network segment?
• Which method allows a laptop to use different IP and DNS settings when switching between office and home networks?
• Which component is not typically used in a cloud-based Infrastructure as a Service (IaaS) solution?
• What is the standard voltage for ATX power supply connectors?
• Which technology is best to isolate finance department virtual servers from other departments?
• After upgrading the power supply to 450 W, if the BIOS does not recognize a hard disk drive during POST, what should be checked first?
• Which device is responsible for routing data between networks?
• What is the primary function of an operating system?
• Which command line utility is used to check the network configuration in Windows?
• What type of device could replace a smartphone navigation application, providing map coverage without requiring an internet connection or data plan?
• To fix connectivity issues for a user on a wireless network, what equipment might you replace?
• What type of Internet connection uses telephone lines to transmit data?
• In troubleshooting, which step follows verifying that an issue has been resolved?
• Which scenario best describes a function of a virtual router?
• Which protocol is typically used by email clients to download messages from a mail server?
• Which of the following is a characteristic of IPv4 addresses?
• What is the main purpose of a switch in a network?
• Which networking topology allows for direct communication between devices and is least prone to traffic bottlenecks?
• What is the most likely solution for a printer that only prints the top half of each page?
• What is the maximum data transfer rate of USB 3.0?
• What is the primary function of a virtual switch?
• What is the MOST likely cause of intermittent wireless connectivity issues when a user moves to a conference room across the hall?
• If a desktop computer shows fans starting up but the monitor remains blank without hard drive activity, what is the most likely cause?
• What is the most likely reason a technician cannot install virtualization software despite having enough free disk space?
• What type of memory is typically used for the system's primary storage?
• Which port must be opened on a server's firewall to allow Remote Desktop access?
• Which cloud computing solution delivers software applications over the Internet or a local network?
• What does SSD stand for?
• Why is the wireless mouse likely not working after being set up for a new employee?
• Which scanner might offer additional security through the verification of physical traits?
• What is the appropriate action to take if a user believes a USB device is not being recognized by their computer?
• What is the purpose of a firewall in a network?
• What action is likely to fix registration issues with a digitizer pad?
• Which component in a laser printer is responsible for applying toner to the drum?
• What should you do to enable your personal computer to work on 230 V AC in the UK?
• Before discarding a hard drive, what should you ensure has been done to protect sensitive data?
• What is the most common reason for a desktop computer not recognizing a USB device?
• What is true about operating systems running within virtual machines?
• What technology facilitates the creation of segregated networks within a virtual environment?
• What type of cabling should be used when installing networking cable in the air space between the ceiling and the roof of a building?
• What utility would you use to check disk errors in Windows?
• How can you identify which physical port on a switch is connected to a specific device?
• Which of the following is the most likely symptom of a dirty drum or roller in a laser printer?
• Which issue is most likely causing a user to be unable to authenticate in Windows despite entering the correct password?
• When troubleshooting memory issues, what should be the first step if a new computer does not boot?
• If a user cannot project their laptop display onto an external projector, which is the BEST first step to try?
• What does the acronym POST signify in computer hardware?
• In a network, what device connects different subnetworks?
• What technology is used by mobile devices to detect changes in orientation, such as when the user rotates the device?
• What type of peripheral device allows control of the cursor on a laptop computer?
• Which device is used to connect multiple devices on a local area network?
• Which command allows you to view active network connections in Windows?
• In Windows, what does Task Manager allow you to do?
• When a computer emits one long beep and two short beeps during startup, which program is signaling the error?
• What is the most likely change needed to a SOHO router to restore internet connectivity after DHCP has assigned private IP addresses?
• Which tool can be utilized to test the electrical power of a computer?
• Which type of storage solution benefits from improved speed and performance when designed with multiple channels for RAM?
• If a technician finds that the link light on a workstation is not lit after replacing the patch cable, which tool would they most likely use next to troubleshoot the issue?
• Which type of printer is the most suitable for quickly printing high-quality black-and-white text documents in a cost-effective manner?
• Which of the following is a common protocol used to secure email communications?
• What is a common use case for a digitizer in a professional setting?
• What is the purpose of DHCP in a network?
• In retail environments, which device is most commonly used at checkout stands?
• What is the first action a technician should take before replacing a hard drive in a laptop?
• After replacing a damaged USB cable connection to an external hard drive, what is the next action you should take?
• What is the most likely cause of a computer hanging after POST, indicated by a date several years behind in UEFI setup?
• What does the term "bandwidth" refer to in networking?
• What is the term for the process where a cloud service and a mobile device client verify each other's security certificates before data synchronization?
• What can cause errors that appear to be memory-related if improperly executed?
• What should be checked first if a user's monitor is not displaying anything after a hardware change?
• What device can be used to convert a signal between analog and digital formats?
• What type of signal does fiber optic cable transmit?
• What must be enabled in the BIOS settings for virtualization to work on a computer?
• During a connectivity test on a wireless network, which component is primarily responsible for signal strength and quality?
• What does DHCP stand for?
• In a virtualized environment, what does the term 'hypervisor' refer to?
• What does the term "bandwidth" refer to in networking?
• Which of the following is a difference between a virtual router and a physical router?
• What technology uses Ethernet standards to transmit and receive frames on the network?
• Which reason can cause a laser printer to produce prints with irregular spots?
• What does a modem do in a home network setup?
• Which wireless standard can operate at a rate of up to 54 Mbps using a frequency of 5 GHz?
• Which network device is the BEST choice for connecting at least 20 guests to a company network wirelessly?
• What network device is best to replace an older hub that causes excessive network collisions?
• What command is used to display the IP configuration in Windows?
• Which of the following cable types would work best for connecting a laptop to an LED TV for video and audio transmission?
• Which storage device uses flash memory?
• What is the definition of the term "malware"?
• What action should a technician perform after resolving a printer driver issue for a user?
• Which component is MOST likely causing faint images on printouts from a laser printer?
• What can cause memory issues during software installation?
• When facing usability issues with a notebook’s built-in components, what is the best solution?
• Which video card specification has the greatest impact on display quality for a video editor?
• What technology is used to scan users' unique physical features to verify their identity?
• What is a key advantage of using a virtual switch over a traditional switch?
• Which of the following connectors is specifically used in terminating local area networks?
• When designing a workstation to run VMware Workstation for application development, which criteria should be prioritized?
• Which of the following actions will help ensure optimal system cooling? (Select THREE)
• Which component is used to increase the amount of RAM in a computer?
• Which of the following are recognized main types of cloud services?
• What is the maximum number of devices that can be connected in a USB daisy chain?
• What action will MOST likely resolve a driver installation issue for a shared printer on 32-bit Windows systems?
• What is one reason a memory upgrade might fail to function correctly?
• Which type of connector is commonly used for power supply connections to a motherboard?
• In network troubleshooting, what could a "lit" link light signify on a workstation?
• Which type of virtual network should you implement to allow communication between virtual machines while isolating them from the production network?
• Which device is implemented within the hypervisor to monitor and filter traffic on the virtual network?
• Which type of network medium is used by an Integrated Services Digital Network (ISDN) adapter?
• Which component is often referred to as the "brain" of the computer?
• What tool would a technician use to attach a new 110-style keystone jack module to a cable?
• What is the maximum transfer distance for a USB 2.0 device?
• Which type of antenna is commonly used in wireless networks that can transmit and receive signals in all directions?
• Which of the following statements about full virtualization is correct?
• Which hardware component is primarily responsible for processing data in a computer?
• Which device is utilized to capture an analog signal and convert it into digital data?
• What does a MAC address table in a virtual switch allow it to do?
• In networking, what does "MAC" stand for?
• Which of the following is an example of a solid-state storage device?
• Which connector type uses a retaining tab that must be pressed to remove a faulty fiber optic network cable?
• Which technology is designed to replace BIOS and controls the startup process?
• Which type of memory is non-volatile and retains data without power?
• What does SaaS stand for in cloud computing?
• Which of the following is NOT a biometric device?
• What is a characteristic of the ExpressCard /54 form factor?
• Which virtualization type completely simulates a physical computer system?
• What does the acronym WPA stand for in wireless security?
• What component of a virtual switch plays a crucial role in mapping devices?
• What is the primary purpose of an IP address?
• What do you need to connect a computer to a Bluetooth device?
• When setting up a display for presentations, which connection type is often preferred for providing both audio and video signals?
• Which device is primarily used by graphic artists to capture hand-drawn images?
• Which type of cable is typically used for most Ethernet connections?
• In the context of understanding print jobs, what does printing pages of random characters typically indicate?
• What type of network storage employs a virtualization technique allowing for efficient data allocation?
• What is the primary purpose of using RAID in a storage configuration?
• Which technology enables a virtual router to manage its configuration independently from the underlying hardware?
• Which term refers to a virtual device used to relay traffic to various networks?
• What best describes the architecture used by Apple iPad devices that run the iOS operating system?
• In regards to computer storage, what does HDD stand for?
• Which Windows feature allows you to run multiple applications on multiple desktops?
• What network topology connects all devices to a central hub?
• Which of the following is a type of optical storage media?
• What is the primary use of a VPN?
• Which protocol is used to send email messages from a mail client to a mail server?
• What is the primary function of an inverter in an LCD assembly?
• In paravirtualization, what is a significant characteristic compared to other virtualization types?
• Which wireless communication technology has a very limited transmission range of less than two inches, is used with credit cards and passports, and constantly emits a signal?
• Which cloud service model is best suited for a start-up that needs storage and additional computing power, while being scalable?
• Which of the following is a benefit of maintaining good documentation in IT?
• Which wireless standard operates at both 2.4 GHz and 5 GHz frequencies?
• Which device can support multiple networks on each of its interfaces?
• What type of scanner specifically identifies fingerprints for verification?
• What device, which can be stand-alone or integrated with peripherals, is commonly used to read smart cards?
• What is the purpose of using a surge protector?
• What can be defined within a virtual switch and associated with specific hosts in a network environment?
• After replacing a bad video card, what should be the NEXT step in the troubleshooting strategy?
• When sharing a smartphone's internet connection while traveling, which connection type is being used?
• What should you instruct a user to check first if they report a loss of wireless connection in a previously working configuration?
• What is the purpose of the Windows Registry?
• In a carpeted office with fluorescent lighting, what is the greatest threat to unpacked memory modules?
• What is the most likely solution for a user whose printed colors do not match the original photos?
• Which type of connector is typically used for a monitor cable?
• When troubleshooting a desktop power supply issue, what are the MOST common voltages produced by the power supply?
• What would you typically use to protect a network from unauthorized traffic between virtual machines?
• In computer security, what does the term "phishing" refer to?
• Which tool is commonly used to create a bootable USB drive?
• What type of file system is commonly used in Windows operating systems?
• Which command in Linux is used to list all files in a directory?
• When configuring a network printer, which setting is crucial for ensuring proper communication?
• Which protocol is often used by virtual routers to communicate routing information?
• What does RAID stand for?
• If a user’s printouts consist of random characters while others print correctly, what is the most likely cause?
• To fully leverage a new 64-bit processor upgrade, which other component will likely also need to be upgraded?
• After installing new hardware and drivers, which troubleshooting step should be taken first if the device fails to work?
• To monitor and filter traffic between virtual machines in a virtual network, what should you implement?
• Which type of RAM is the most common in laptops?
• How does a switch function in a network?
• What technique is commonly used in a pharming attack?
• Which type of router is capable of handling multiple logical networks efficiently?
• What does the term "latency" refer to in a network?
• What does BIOS stand for?
• Which type of virtualization involves minimal interaction with the hypervisor?
• During the first boot of a new computer, which condition could indicate that memory is not properly seated or the motherboard is defective?
• In virtual machines, which type of virtualization allows only some of its components to be virtualized?
• What is a common use for the TCP/IP protocol suite?
• In which layer of the OSI model does the HTTP protocol operate?
• When troubleshooting a computer problem, what is the importance of user education?
• For effective performance during high-demand applications, which hardware component is essential to keep cool?
• What type of installation would you use to replace an existing operating system without retaining any user data?
• What is the function of a GPU in a computer system?
• What is the SIMPLEST way to monitor the CPU temperature if users experience spontaneous shutdowns due to overheating?
• What is the function of a firewall in a network?
• What type of malware locks a user's files until a ransom is paid?
• When configuring a new device, which step is essential to verify its successful installation?
• Which type of VHD file allows for dynamic allocation of physical disk space as virtual disk storage is utilized?
• What could be the cause of spontaneous shutdowns in computers used for CPU-intensive work in a poorly cooled room?
• What type of internet connection uses an antenna that requires a clear line-of-sight to the ISP's antenna?
• Which type of cable is primarily used for high-speed internet connections?
• What is the MOST likely cause of an LCD screen that suddenly becomes dark while downloading a large file?
• What is the purpose of an SSD in a computer system?
• What is the most common method for removing RAM from a motherboard?
• Which file extension is commonly associated with compressed files?
• What feature is crucial for a device's ability to adjust screen orientation dynamically?
• What feature allows a computer to restore itself to a previous state?
• In the context of mobile device navigation, which statement is true regarding offline map functionality?
• What feature allows you to control client connections to a wireless network by specifying hardware addresses?
• What factor often prompts companies to utilize cloud storage solutions such as Google Cloud or AWS?