Download CompTIA A+ Core 1 (220-1201) Certification Examination | 2026/2027 Academic Cycle and more Exams Nursing in PDF only on Docsity!
CompTIA A+ Core 1 (220-1201)
Certification Examination |
2026/2027 Academic Cycle
What is the CompTIA A+ 220-1201 certification? - ✔✔✔ ANSW ✔✔..An entry- level certification for technical professionals in IT support. What does the CompTIA A+ 220-1201 certification validate? - ✔✔✔ ANSW ✔✔..Entry-level competency in IT support roles and problem-solving skills. What types of devices and technologies does the CompTIA A+ 220-1201 cover? - ✔✔✔ ANSW ✔✔..Desktops, laptops, tablets, mobile devices, wearables, IoT devices, networking equipment, virtualization, and cloud computing. Who is the target audience for the CompTIA A+ 220-1201 certification? - ✔✔✔ ANSW ✔✔..Individuals seeking their first IT support position with no prior experience required. How many domains of knowledge are covered in the CompTIA A+ 220- 1201 exam? - ✔✔✔ ANSW ✔✔..Five domains. What percentage of the CompTIA A+ 220-1201 exam questions focus on Mobile Devices? - ✔✔✔ ANSW ✔✔..13%. What percentage of the CompTIA A+ 220-1201 exam questions focus on Networking? - ✔✔✔ ANSW ✔✔..23%. What percentage of the CompTIA A+ 220-1201 exam questions focus on Hardware? - ✔✔✔ ANSW ✔✔..25%. What percentage of the CompTIA A+ 220-1201 exam questions focus on Virtualization and Cloud Computing? - ✔✔✔ ANSW ✔✔..11%.
What percentage of the CompTIA A+ 220-1201 exam questions focus on Hardware and Network Troubleshooting? - ✔✔✔ ANSW ✔✔..28%. What is the passing score for the CompTIA A+ 220-1201 exam? - ✔✔✔ ANSW ✔✔..675 out of 900 (scaled score). What is the typical structure of the CompTIA A+ 220-1201 exam? - ✔✔✔ ANSW ✔✔..Up to 90 questions, including multiple choice, multiple select, and performance-based questions. What is the recommended practice exam score to ensure readiness for the CompTIA A+ 220-1201 exam? - ✔✔✔ ANSW ✔✔..80% or higher. What is the time allotment for completing the CompTIA A+ 220-1201 exam? - ✔✔✔ ANSW ✔✔..90 minutes. What is the cost range for vouchers required for the CompTIA A+ 220- 1201 exam? - ✔✔✔ ANSW ✔✔..$250-$275, varying by location. What should candidates focus on when preparing for the CompTIA A+ 220- 1201 exam? - ✔✔✔ ANSW ✔✔..Recognizing terms, definitions, and concepts rather than memorizing. What is the significance of keywords in CompTIA A+ exam questions? - ✔✔✔ ANSW ✔✔..Keywords like 'MOST' or 'LEAST' are critical for understanding the question. What should candidates do if they encounter multiple correct answers on the CompTIA A+ exam? - ✔✔✔ ANSW ✔✔..Select the BEST answer that is most applicable in the majority of situations. What resources are recommended for support during the CompTIA A+ 220- 1201 exam preparation? - ✔✔✔ ANSW ✔✔..Facebook groups, Discord servers, and downloadable PDF study guides. What is the purpose of the performance-based questions (PBQs) in the CompTIA A+ exam? - ✔✔✔ ANSW ✔✔..To simulate job functions in a virtual environment.
In selecting the best answer for data confidentiality, what type of answers should be prioritized? - ✔✔✔ ANSW ✔✔..Encryption-based answers over authentication- focused options. What is the primary function of a computer? - ✔✔✔ ANSW ✔✔..To perform input, processing, storage, and output. What are examples of personal computers? - ✔✔✔ ANSW ✔✔..Desktops, laptops, tablets, smartphones, and IoT devices. What are the basic functions of a computer? - ✔✔✔ ANSW ✔✔..Input, processing, storage, and output. What is the role of the motherboard in a custom PC? - ✔✔✔ ANSW ✔✔..It is the central circuit board connecting all components. What does CPU stand for and what is its function? - ✔✔✔ ANSW ✔✔..Central Processing Unit; it is the primary processing unit for executing instructions. What is the purpose of RAM in a computer? - ✔✔✔ ANSW ✔✔..Temporary storage for active processes and tasks. What is the function of the power supply unit (PSU)? - ✔✔✔ ANSW ✔✔..It supplies power to all components of the computer. What is electrostatic discharge (ESD)? - ✔✔✔ ANSW ✔✔..Damage caused by the transfer of electrons from a statically charged body to an uncharged component. What should be done to prevent electrostatic discharge when handling components? - ✔✔✔ ANSW ✔✔..Use antistatic bags, wrist straps, and mats. What is the first step in the CompTIA Six-Step Troubleshooting Methodology? - ✔✔✔ ANSW ✔✔..Identify the Problem. What is the second step in the CompTIA Six-Step Troubleshooting Methodology?
- ✔✔✔ ANSW ✔✔..Establish a Theory of Probable Cause.
What is the third step in the CompTIA Six-Step Troubleshooting Methodology? - ✔✔✔ ANSW ✔✔..Test the Theory to Determine the Cause. What is the fourth step in the CompTIA Six-Step Troubleshooting Methodology? - ✔✔✔ ANSW ✔✔..Establish a Plan of Action to Resolve the Problem and Implement the Solution. What is the fifth step in the CompTIA Six-Step Troubleshooting Methodology? - ✔✔✔ ANSW ✔✔..Verify Full System Functionality and Implement Preventative Measures. What is the sixth step in the CompTIA Six-Step Troubleshooting Methodology? - ✔✔✔ ANSW ✔✔..Document Findings, Actions, and Outcomes. What is the maximum power output of USB 2.0 ports? - ✔✔✔ ANSW ✔✔.. mA (0.5A). What is the maximum power output of USB 3.0 ports? - ✔✔✔ ANSW ✔✔.. mA (0.9A). What is the maximum data transfer speed of USB 3.0? - ✔✔✔ ANSW ✔✔..Up to 5 Gbps. What is the maximum data transfer speed of USB 4.0? - ✔✔✔ ANSW ✔✔..Up to 40 Gbps. What are the advantages of USB over serial connections? - ✔✔✔ ANSW ✔✔..USB allows multiple devices to connect to a single port and offers faster data transfer speeds. What is the typical use of HDMI cables? - ✔✔✔ ANSW ✔✔..To connect devices like TVs, gaming consoles, and computers to displays. What is the standard full-size HDMI connector type? - ✔✔✔ ANSW ✔✔..Type A. What is the purpose of using surge protectors? - ✔✔✔ ANSW ✔✔..To guard against voltage spikes.
What is a Full-size DisplayPort? - ✔✔✔ ANSW ✔✔..A connector that includes a locking mechanism for secure connection What is Mini DisplayPort used for? - ✔✔✔ ANSW ✔✔..Compact devices such as laptops and tablets What is the maximum resolution supported by DisplayPort? - ✔✔✔ ANSW ✔✔..Up to 4K resolution and beyond What is DVI? - ✔✔✔ ANSW ✔✔..Digital Visual Interface, an older standard that supports both analog and digital video signals What types of signals does DVI-I support? - ✔✔✔ ANSW ✔✔..Both analog and digital signals What is the maximum resolution for DVI? - ✔✔✔ ANSW ✔✔..Limited to 1080p resolution What is VGA? - ✔✔✔ ANSW ✔✔..An analog video connection standard widely used before digital connections became dominant What is the maximum resolution for VGA? - ✔✔✔ ANSW ✔✔..640x480 pixels What is Thunderbolt? - ✔✔✔ ANSW ✔✔..A high-speed interface developed by Intel and Apple that supports video, data, and power over a single connection What is the maximum speed of Thunderbolt 3 and 4? - ✔✔✔ ANSW ✔✔..Up to 40 Gbps What is USB Type-C? - ✔✔✔ ANSW ✔✔..A versatile connector that supports video, data, and power delivery What advantage does USB Type-C provide? - ✔✔✔ ANSW ✔✔..Reduces cable clutter by combining power, video, and data into a single connection What should be considered for video cables regarding resolution? - ✔✔✔ ANSW ✔✔..Ensure the cable supports the desired resolution (e.g., 1080p, 4K, 8K)
What is a key consideration for connector compatibility? - ✔✔✔ ANSW ✔✔..Use adapters or compatible cables when connecting older devices to newer displays What is the limitation of longer cables? - ✔✔✔ ANSW ✔✔..They may degrade signal quality, especially for high-speed connections What is the common use of HDMI? - ✔✔✔ ANSW ✔✔..Supports high-definition video/audio, HDCP, and up to 8K resolution What is the primary use of DVI? - ✔✔✔ ANSW ✔✔..Older standard supporting both analog and digital signals What is the legacy of VGA? - ✔✔✔ ANSW ✔✔..Still found in older systems, primarily for analog connections What connectors do Thunderbolt 1 & 2 use? - ✔✔✔ ANSW ✔✔..DisplayPort connectors What connectors do Thunderbolt 3 & 4 use? - ✔✔✔ ANSW ✔✔..USB-C connectors What is the maximum speed of Thunderbolt connections? - ✔✔✔ ANSW ✔✔..Up to 40 Gbps What is a limitation of Thunderbolt cables? - ✔✔✔ ANSW ✔✔..Short cable length (under 2 feet) Which devices are compatible with Thunderbolt 3? - ✔✔✔ ANSW ✔✔..USB-C devices What is Thunderbolt 4's compatibility? - ✔✔✔ ANSW ✔✔..Fully compatible with USB 4 What is the Lightning connector designed for? - ✔✔✔ ANSW ✔✔..Mobile devices by Apple
What is the role of motherboard form factors? - ✔✔✔ ANSW ✔✔..Determines compatibility with cases and power supplies and defines the number and type of components What is the size of the ATX form factor? - ✔✔✔ ANSW ✔✔..12 x 9.6 inches ( x 244 mm) What does the ATX form factor support? - ✔✔✔ ANSW ✔✔..Full-size motherboard for large towers and cases What is the size of a Mini-ATX motherboard? - ✔✔✔ ANSW ✔✔..11.2 x 8. inches (284 x 208 mm) What are the features of a Mini-ATX motherboard? - ✔✔✔ ANSW ✔✔..Similar to ATX but slightly smaller, includes rear port cluster and expansion slots. What is the use case for Mini-ATX motherboards? - ✔✔✔ ANSW ✔✔..Rarely used due to minimal size difference from ATX. What is the size of a microATX (mATX) motherboard? - ✔✔✔ ANSW ✔✔..9.6 x 9.6 inches (244 x 244 mm) What are the features of a microATX motherboard? - ✔✔✔ ANSW ✔✔..Smaller square board with fewer expansion slots (up to four). What is the use case for microATX motherboards? - ✔✔✔ ANSW ✔✔..Compact computers needing reduced space but retaining core features. What does ITX stand for? - ✔✔✔ ANSW ✔✔..Information Technology eXtended. What is the size of a Mini-ITX motherboard? - ✔✔✔ ANSW ✔✔..6.7 x 6.7 inches (170 x 170 mm) What are the features of a Mini-ITX motherboard? - ✔✔✔ ANSW ✔✔..One expansion slot, rear port cluster, compatible with ATX cases using standard mounting holes.
What is the use case for Mini-ITX motherboards? - ✔✔✔ ANSW ✔✔..Small form factor PCs and compact systems. What are the custom-built ITX variants? - ✔✔✔ ANSW ✔✔..Nano-ITX, Pico-ITX, Mobile-ITX for embedded systems and portable devices. What is the importance of motherboard form factor? - ✔✔✔ ANSW ✔✔..Defines motherboard size and layout, determines case and power supply compatibility, influences expansion and memory options. What are the major categories of motherboard form factors? - ✔✔✔ ANSW ✔✔..ATX (Full-size, Mini-ATX, microATX) and ITX (focus on Mini-ITX). What is a CPU? - ✔✔✔ ANSW ✔✔..Central Processing Unit, referred to as the processor. What are the main operations of a CPU? - ✔✔✔ ANSW ✔✔..Fetches, decodes, executes instructions, and sends results to storage. What is cache in relation to a CPU? - ✔✔✔ ANSW ✔✔..High-speed memory inside the processor. What are the three main types of CPU architectures? - ✔✔✔ ANSW ✔✔..x86, x64, ARM. What is x86 architecture? - ✔✔✔ ANSW ✔✔..Also known as IA-32, supports up to 4GB of RAM, originates from Intel processors. What is x64 architecture? - ✔✔✔ ANSW ✔✔..Extends x86 to support 64-bit operations and more than 4GB of RAM. What is ARM architecture? - ✔✔✔ ANSW ✔✔..Stands for Advanced RISC Machines, designed for low-power devices. What are the benefits of ARM processors? - ✔✔✔ ANSW ✔✔..Efficient processing with lower power consumption, longer battery life, and reduced heat generation.
What is the difference between single core and multi-core processors? - ✔✔✔ ANSW ✔✔..Single core has one processing unit, while multi-core combines multiple cores within a single CPU package. What is symmetric multiprocessing (SMP)? - ✔✔✔ ANSW ✔✔..Utilization of multiple processors on a motherboard to enhance processing capabilities. What is the advantage of having multiple CPU sockets on a motherboard? - ✔✔✔ ANSW ✔✔..It allows for the installation of multiple processors, enhancing processing power. What does PCIe x16 provide for graphics cards? - ✔✔✔ ANSW ✔✔..Power and high-speed data transfer What is the purpose of M.2 connectors on a motherboard? - ✔✔✔ ANSW ✔✔..Slots for M.2-based SSDs What does the CMOS battery retain? - ✔✔✔ ANSW ✔✔..BIOS/UEFI settings such as date and time How often should the CMOS battery be replaced? - ✔✔✔ ANSW ✔✔..Approximately every three years What types of USB ports are typically found on a motherboard? - ✔✔✔ ANSW ✔✔..USB 2.0 (black), USB 3 (blue), USB 3 SuperSpeed (red), and USB Type-C What is the function of the HDMI/DisplayPort on a motherboard? - ✔✔✔ ANSW ✔✔..For integrated graphics What type of Ethernet connection does a motherboard typically support? - ✔✔✔ ANSW ✔✔..2.5 Gbps Ethernet connection What are the gold connectors on a motherboard used for? - ✔✔✔ ANSW ✔✔..External Wi-Fi antennas
What is the process for CPU installation on a motherboard? - ✔✔✔ ANSW ✔✔..Lift the ZIF lever, align the processor pins, place the CPU, and lock the lever How should RAM be installed on a motherboard? - ✔✔✔ ANSW ✔✔..Insert memory modules into the memory sockets according to the motherboard's channel configuration What connectors are used for connecting power to the motherboard? - ✔✔✔ ANSW ✔✔..24-pin mainboard connector and 8-pin CPU connector How should fans be connected for optimal cooling? - ✔✔✔ ANSW ✔✔..Connect CPU and case fans to 4-pin fan headers What is the correct way to install SATA devices? - ✔✔✔ ANSW ✔✔..Connect SATA devices to 7-pin data ports and 15-pin power connectors What is the purpose of expansion cards? - ✔✔✔ ANSW ✔✔..To add functions or ports not integrated into the motherboard What types of expansion cards can be installed in PCIe x16 slots? - ✔✔✔ ANSW ✔✔..Graphics cards for gaming or video editing What is the difference between PCIe x1 and PCIe x16 slots? - ✔✔✔ ANSW ✔✔..x1 is a small connector for modems and network cards; x16 is a long connector for high-speed graphics and video cards What does backward compatibility in PCIe allow? - ✔✔✔ ANSW ✔✔..Smaller cards can fit in larger slots, and larger cards can fit in smaller slots with reduced performance What is the maximum data transfer rate for PCI? - ✔✔✔ ANSW ✔✔..133 MBps using a 33 MHz bus What are the bus speeds for PCI-X? - ✔✔✔ ANSW ✔✔..133 MHz (standard), 266 MHz, or 533 MHz (Version 2) What is AGP used for? - ✔✔✔ ANSW ✔✔..A dedicated port for graphics cards
What are common applications of active cooling? - ✔✔✔ ANSW ✔✔..Processor fans, case fans, power supply fans, and graphics card fans. How often should fans be cleaned for maintenance? - ✔✔✔ ANSW ✔✔..Every 3 to 6 months to maintain airflow efficiency. What is the purpose of liquid cooling? - ✔✔✔ ANSW ✔✔..Designed for high- performance systems, more efficient and quieter than traditional cooling. What are closed loop liquid cooling systems? - ✔✔✔ ANSW ✔✔..Self-contained systems cooling a single component, includes a heat sink, radiator, and liquid coolant. What do power supply units (PSUs) provide? - ✔✔✔ ANSW ✔✔..Direct current (DC) power to computer components. What does a PSU convert? - ✔✔✔ ANSW ✔✔..Alternating current (AC) from wall outlets into low-voltage DC. What is the typical wattage requirement for a gaming PC? - ✔✔✔ ANSW ✔✔..500- 900 Watts. What is the function of the motherboard/mainboard power connector? - ✔✔✔ ANSW ✔✔..Connects the PSU to the motherboard, typically using a 24-pin connector. What is the significance of the 12 volts DC output? - ✔✔✔ ANSW ✔✔..It is the most critical voltage for modern PCs. What is the formula for converting Amps to Watts? - ✔✔✔ ANSW ✔✔..Amps × Voltage. What does a modular PSU allow? - ✔✔✔ ANSW ✔✔..Unused cables to be detached from the PSU, improving airflow and reducing clutter. What are redundant power supplies used for? - ✔✔✔ ANSW ✔✔..Provide dual power supplies for continuous operation in critical systems.
What is the purpose of connectors in a PSU? - ✔✔✔ ANSW ✔✔..Distribute DC voltages to components via various connectors. What happens if a 120-volt power supply is plugged into a 230-volt outlet? - ✔✔✔ ANSW ✔✔..It can cause failure or fire. What are the key DC voltages required by PCs? - ✔✔✔ ANSW ✔✔..3.3 volts, 5 volts, and 12 volts. What does the wattage rating of a PSU refer to? - ✔✔✔ ANSW ✔✔..The power supply unit's output capacity, measured in Watts. What is the importance of PSU efficiency? - ✔✔✔ ANSW ✔✔..Higher efficiency saves energy and reduces heat generation. What is RAM? - ✔✔✔ ANSW ✔✔..Temporary storage for data and instructions before processing by the CPU. How does RAM compare to storage devices? - ✔✔✔ ANSW ✔✔..Faster than storage devices but slower than CPU cache. What is the relationship between RAM and cache? - ✔✔✔ ANSW ✔✔..Cache is high-speed memory in the CPU, while RAM is system memory. What is the analogy used to describe RAM and storage? - ✔✔✔ ANSW ✔✔..RAM is like a desk (workspace), while storage is like a filing cabinet (permanent storage). What is the typical configuration for upgrading RAM? - ✔✔✔ ANSW ✔✔..4 GB, 8 GB, 16 GB, 32 GB, or more. What does the memory controller do? - ✔✔✔ ANSW ✔✔..Manages data flow between CPU and RAM. What is the data bus width typically found in modern systems? - ✔✔✔ ANSW ✔✔..Typically 64 bits wide.
What is multi-channel memory? - ✔✔✔ ANSW ✔✔..A configuration that allows multiple memory modules to work together to increase performance. What is the purpose of interleaving in memory? - ✔✔✔ ANSW ✔✔..To enhance data transfer speed by allowing modules to work together. What is ECC memory? - ✔✔✔ ANSW ✔✔..Error Correcting Code memory that can detect and correct errors. What is the difference between parity memory and ECC memory? - ✔✔✔ ANSW ✔✔..Parity memory detects errors but cannot correct them, while ECC memory can both detect and correct errors. What is virtual memory? - ✔✔✔ ANSW ✔✔..A block of hard drive or SSD space that acts as system memory when physical RAM is insufficient. What are the symptoms of excessive virtual memory usage? - ✔✔✔ ANSW ✔✔..Sluggish system performance and frequent hard drive activity. What is virtualization support in CPUs? - ✔✔✔ ANSW ✔✔..The ability to emulate multiple virtual computers using hardware support like Intel's VT and AMD's AMD-V. What does SLAT stand for and why is it important? - ✔✔✔ ANSW ✔✔..Second Level Address Translation; it improves virtual memory management and performance for virtual machines. What is the benefit of combining multi-core processing with multithreading? - ✔✔✔ ANSW ✔✔..It enhances performance by allowing more threads to be executed simultaneously across multiple cores. What type of socket is the AM4 socket? - ✔✔✔ ANSW ✔✔..An AMD-based pin grid array (PGA) socket. What is the purpose of the 24-pin mainboard power connector? - ✔✔✔ ANSW ✔✔..To power most components of the motherboard.
Where is the CPU power connector typically located on a motherboard? - ✔✔✔ ANSW ✔✔..In the upper-left corner of the motherboard. What are SATA ports used for? - ✔✔✔ ANSW ✔✔..To connect storage devices with six 7-pin L-shaped connectors. What is the function of audio connectors on a motherboard? - ✔✔✔ ANSW ✔✔..To connect audio jacks for front panel audio and support high- quality audio outputs. What are PCIe x1 slots used for? - ✔✔✔ ANSW ✔✔..To accommodate smaller expansion cards for networking and other functions. What is the main advantage of multi-core processors? - ✔✔✔ ANSW ✔✔..They divide instructions among cores for execution, increasing task execution speed. What happens if an application is unaware of multithreading? - ✔✔✔ ANSW ✔✔..It will process instructions serially, not taking advantage of multithreading capabilities. What is the significance of virtualization in computing? - ✔✔✔ ANSW ✔✔..It allows the creation of virtual machines that simulate physical hardware, enabling multiple operating systems to run concurrently. What is the role of fan connectors on a motherboard? - ✔✔✔ ANSW ✔✔..To connect and power CPU and case fans. What is the purpose of USB connectors on a motherboard? - ✔✔✔ ANSW ✔✔..To facilitate connections for front and back panel USB ports. What is the purpose of adjusting virtual memory? - ✔✔✔ ANSW ✔✔..To temporarily accommodate more data when physical RAM is insufficient. What is the typical size of a page in virtual memory? - ✔✔✔ ANSW ✔✔..Typically 4 kilobytes.
