CompTIA Tech+ Certification Exam Practice Test
Gana confianza para CompTIA Tech+ Certification Exam. Practica los conceptos, comprende las respuestas y refuerza tus conocimientos pregunta a pregunta.
Probar una preguntaDescripción y detalles del examen
The CompTIA Tech+ certification is a vendor-neutral, foundational credential that validates the essential IT skills required for today's digital workforce. It serves as a critical benchmark for professionals entering or advancing in IT support, technical operations, and help desk roles. Earning this certification demonstrates a verified understanding of core technologies, including hardware, software, networking, security principles, and operational procedures. Recognized globally by employers, it bridges the gap between conceptual knowledge and practical, hands-on technical ability. The certification is designed to ensure that holders possess the baseline competency to troubleshoot, problem-solve, and support a wide range of technologies in a modern business environment. It establishes a solid foundation for further specialization in areas like cybersecurity, networking, or cloud computing, making it an invaluable first step in a structured IT career path.
Preguntas de Muestra
Elige una respuesta y consulta la explicación para ver cómo funciona la práctica.
A junior technician is asked to choose the best explanation before making changes; the case includes one real symptom and two distracting environmental details. A business wants backups that protect against accidental deletion, laptop theft, and local fire. Which plan is strongest?
At a community college testing center, an instructor gives a student a support scenario that includes both relevant symptoms and unrelated asset-tag notes. A manager says a quarterly backup job is enough because the server has a RAID array. Last month a user deleted an entire folder and the deletion replicated across the array. Which explanation is most accurate?
A branch office documents a technology incident during onboarding; the ticket includes device age, user role, and a comment that the internet bill was paid. A smart thermostat, video doorbell, and wearable fitness tracker are examples of which device category?
A help desk team at a small clinic is triaging a case after a routine 2025 software update; one coworker reports a similar but unrelated printer issue. A user's account is locked after repeated failed sign-in attempts from another country. Which security goal is the lockout supporting?
A branch office documents a technology incident during onboarding; the ticket includes device age, user role, and a comment that the internet bill was paid. A classroom lab asks students to identify why binary is important to computers. Which answer is best?
Oportunidades profesionales y salario
Los rangos son cifras del mercado de EE. UU. salvo que se muestre un rango local.
Qué temas cubre este examen
Usa las ponderaciones publicadas de los dominios para planificar tu estudio. Los resultados de práctica no predicen tu puntuación en el examen de certificación.
01Infrastructure
This domain addresses computing devices like smartphones, tablets, laptops, servers, IoT devices, and gaming consoles. It details internal components such as motherboards, CPUs, RAM, storage types, NICs, and GPUs.
Temas
- Computing devices: smartphones, tablets, laptops, servers, IoT devices, and gaming consoles.
- Internal components: motherboard, CPU, RAM, storage (HDD, SSD, NVMe), NIC, and GPU.
- Storage types: volatile vs. non-volatile, local, network, and cloud storage.
- Peripheral setup: printers, scanners, monitors, and driver installation.
- Device interfaces: USB, HDMI, Ethernet, Bluetooth, and NFC.
- Virtualization and cloud: hypervisors, SaaS, PaaS, IaaS, hybrid, and on-premises models.
- Networking basics: LAN vs. WAN, IP/MAC addresses, routers, switches, and firewalls.
- Wireless networks: 802.11 standards, speed, and interference considerations.
Objetivos de aprendizaje
- Computing devices: smartphones, tablets, laptops, servers, IoT devices, and gaming consoles.
- Internal components: motherboard, CPU, RAM, storage (HDD, SSD, NVMe), NIC, and GPU.
- Storage types: volatile vs. non-volatile, local, network, and cloud storage.
- Peripheral setup: printers, scanners, monitors, and driver installation.
- Device interfaces: USB, HDMI, Ethernet, Bluetooth, and NFC.
- Virtualization and cloud: hypervisors, SaaS, PaaS, IaaS, hybrid, and on-premises models.
- Networking basics: LAN vs. WAN, IP/MAC addresses, routers, switches, and firewalls.
- Wireless networks: 802.11 standards, speed, and interference considerations.
02Security
This domain details security concepts such as confidentiality, integrity, availability, authentication, and authorization. It covers device security measures like anti-malware, firewalls, patching, physical security, safe browsing, and password practices.
Temas
- Security concepts: confidentiality, integrity, availability, authentication, and authorization.
- Device security: anti-malware, firewalls, patching, physical security, safe browsing.
- Password practices: length, complexity, privacy, reuse, and password managers.
- Encryption: data at rest, data in transit, HTTPS, VPNs, mobile devices.
Objetivos de aprendizaje
- Security concepts: confidentiality, integrity, availability, authentication, and authorization.
- Device security: anti-malware, firewalls, patching, physical security, safe browsing.
- Password practices: length, complexity, privacy, reuse, and password managers.
- Encryption: data at rest, data in transit, HTTPS, VPNs, mobile devices.
03Applications and software
This domain focuses on operating systems for mobile, desktop, server, and embedded systems. It includes OS components like file systems, interfaces, utilities, drivers, and various software types including productivity and web tools.
Temas
- Operating systems: mobile, desktop, server, embedded systems.
- OS components: file systems (NTFS, FAT32), interfaces (GUI, command line), utilities, and drivers.
- Software types: productivity tools, collaboration apps, web browsers, and remote support.
- Web browser features: private browsing, add-ons, password management, and cache clearing.
- Artificial intelligence: chatbots, assistants, and generative AI for content and predictions.
Objetivos de aprendizaje
- Operating systems: mobile, desktop, server, embedded systems.
- OS components: file systems (NTFS, FAT32), interfaces (GUI, command line), utilities, and drivers.
- Software types: productivity tools, collaboration apps, web browsers, and remote support.
- Web browser features: private browsing, add-ons, password management, and cache clearing.
- Artificial intelligence: chatbots, assistants, and generative AI for content and predictions.
04Data and database fundamentals
This domain explains the value of data through reporting and monetization. It examines database concepts, relational versus non-relational structures, tables, rows, fields, primary and foreign keys, queries, and scalability.
Temas
- Value of data: data-driven decisions, reporting, and monetization.
- Database concepts: relational vs. non-relational, tables, rows, fields, primary/foreign keys.
- Database use: queries, reports, scalability, cloud vs. local storage.
- Backup concepts: file and system backups, local vs. cloud storage.
Objetivos de aprendizaje
- Value of data: data-driven decisions, reporting, and monetization.
- Database concepts: relational vs. non-relational, tables, rows, fields, primary/foreign keys.
- Database use: queries, reports, scalability, cloud vs. local storage.
- Backup concepts: file and system backups, local vs. cloud storage.
05Software development concepts
This domain reviews programming languages such as interpreted, compiled, scripting, markup, and assembly. It covers data types including char, strings, numbers, and Booleans, along with variables, constants, arrays, functions, and objects.
Temas
- Programming languages: interpreted, compiled, scripting, markup, and assembly.
- Data types: char, strings, numbers (integers, floats), and Boolean.
- Programming concepts: variables, constants, arrays, functions, and objects.
- Organizational techniques: pseudocode, flowcharts, object-oriented methods, branching, looping.
Objetivos de aprendizaje
- Programming languages: interpreted, compiled, scripting, markup, and assembly.
- Data types: char, strings, numbers (integers, floats), and Boolean.
- Programming concepts: variables, constants, arrays, functions, and objects.
- Organizational techniques: pseudocode, flowcharts, object-oriented methods, branching, looping.
06Tech concepts and terminology
This domain covers computing basics such as input, processing, output, and storage. It also includes notational systems including binary, hexadecimal, decimal, and octal, alongside units of measure for storage, speed, and throughput.
Temas
- Computing basics: input, processing, output, and storage fundamentals.
- Notational systems: binary, hexadecimal, decimal, and octal systems.
- Units of measure: storage (bit, byte, KB, GB, TB), speed (MHz, GHz), and throughput (bps, Mbps, Gbps).
- Troubleshooting methodology: identifying problems, testing theories, implementing solutions, and documenting findings.
Objetivos de aprendizaje
- Computing basics: input, processing, output, and storage fundamentals.
- Notational systems: binary, hexadecimal, decimal, and octal systems.
- Units of measure: storage (bit, byte, KB, GB, TB), speed (MHz, GHz), and throughput (bps, Mbps, Gbps).
- Troubleshooting methodology: identifying problems, testing theories, implementing solutions, and documenting findings.