An independent, self-paced exam preparation bundle for people studying the CompTIA core pathway: A+, Network+ and Security+ topics. Seven lessons cover hardware and mobile devices, operating systems and software troubleshooting, networking fundamentals, network operations and troubleshooting, security concepts and architecture, threats, vulnerabilities and security operations, and exam technique. This is exam preparation only: it is not affiliated with or endorsed by CompTIA, does not include exam vouchers and does not award any certification. Check the current official exam objectives before booking.
What you will learn
- Identify and troubleshoot hardware and mobile devices
- Support operating systems and troubleshoot software
- Explain networking models, addressing, ports and protocols
- Operate and troubleshoot networks
- Explain core security concepts and architecture
- Identify threats and apply security controls and operations
- Prepare for multiple-choice and performance-based questions
Lessons
- Hardware and Mobile Devices
- Operating Systems and Software Troubleshooting
- Networking Fundamentals
- Network Operations and Troubleshooting
- Security Concepts and Architecture
- Threats, Vulnerabilities and Security Operations
- Exam Technique
Independent exam-preparation material from Tech Skills Library. Not accredited by, affiliated with or endorsed by any certification scheme owner or examination institute. Completing it does not award a certification, licence or credential; official exams are booked with the scheme owner or its exam provider. Verify the current exam format and fees before booking. All trademarks are the property of their respective owners.
Lessons
Hardware and Mobile Devices
Operating Systems and Software Troubleshooting
Operating systems Windows editions, installation and upgrade methods, file systems, command-line tools, control panel and settings utilities, and user account control. Basics of macOS and Linux commands. Administration User and group management, permissions, disk management, task scheduling and backups. Software troubleshooting Slow performance, application crashes, boot problems, malware symptoms and removal steps. Operational procedures Documentation, […]
Networking Fundamentals
Models OSI layers and the TCP/IP model with example protocols at each layer. Addressing IPv4 classes and private ranges, subnet masks and CIDR, basic subnetting, IPv6 formats and address types. Ports and protocols Know common ports: HTTP 80, HTTPS 443, SSH 22, DNS 53, DHCP 67/68, SMTP 25, RDP 3389 and others in the objectives. […]
Network Operations and Troubleshooting
Operations Documentation, diagrams, monitoring with SNMP and logs, performance metrics, high availability and disaster recovery concepts. Services DHCP, DNS, NTP and VLANs. Troubleshooting tools ping, traceroute, nslookup or dig, ipconfig or ip, netstat, packet capture and cable testers. Common problems IP conflicts, incorrect gateways, DNS failures, duplex mismatches, wireless interference and VLAN misconfiguration. Exercise Write […]
Security Concepts and Architecture
Fundamentals Confidentiality, integrity and availability; authentication, authorisation and accounting; non-repudiation. Controls Technical, managerial, operational and physical controls; preventive, detective and corrective types. Cryptography Symmetric and asymmetric encryption, hashing, digital signatures, certificates and public key infrastructure. Architecture Network segmentation, zero trust, cloud and virtualisation security, secure protocols. Identity Multi-factor authentication, single sign-on, least privilege and access […]
Threats, Vulnerabilities and Security Operations
Threats Malware types, phishing and social engineering, password attacks, application attacks and threat actors’ motivations. Vulnerability management Scanning, prioritisation, patching and verification. Security operations Logging and monitoring, alert triage, incident response phases, digital forensics basics and business continuity. Governance and risk Policies, risk assessment, third-party risk, compliance and security awareness. Exercise Describe the incident response […]
Exam Technique
Question types Multiple choice and performance-based questions that ask you to configure, troubleshoot or match items in a simulated environment. Strategy Some candidates skip performance-based questions at first, answer multiple-choice questions, then return. Read every option fully and watch for qualifiers like “best” or “first”. Study plan Work exam by exam, mapping each objective to […]