CompTIA A+ — free practice exam
102 original practice questions aligned to official exam domains. Run a timed, domain-weighted quiz in your browser — no login required.
Exam domains
| Domain | Weight |
|---|---|
| Domain 1: Mobile Devices | 15% |
| Domain 2: Networking | 20% |
| Domain 3: Hardware | 25% |
| Domain 4: Virtualization and Cloud | 11% |
| Domain 5: Hardware and Network Troubleshooting | 29% |
Sample practice questions
- Which accessory extends laptop ports when the mobile device has limited I/O?
- Which address range is private RFC 1918 space?
- Which Android permission category controls access to the device camera?
- Which Azure service category is IaaS?
- Which TWO are benefits of virtualization? (Select TWO.)
- Which biometric method maps facial geometry on supported devices?
- Which BIOS/UEFI setting boots from USB for OS installation?
- Blue screen after new RAM install. First action?
- Which cable category supports 1 Gbps to 100 meters on copper?
- Cannot join domain — time skew error. Fix?
- Which cellular generation introduced LTE-Advanced with higher throughput?
- Clicking hard drive and slow access. Likely issue?
- Which cloud deployment mixes on-premises and public cloud?
- Which cloud model provides ready-to-use applications over the internet?
- Which command on Windows displays the IP configuration?
- Which TWO are common mobile device display issues? (Select TWO.)
- Which component temporarily holds running programs and active data?
- Which connector did Apple Lightning replace on older iPhones?
- Which connector is most common on modern Android smartphones for charging and data?
- Which connector powers most discrete GPUs directly from the PSU?
- Which connector is standard on twisted-pair Ethernet?
- Which container shares the host kernel unlike full VMs?
- Which CPU socket type must match the motherboard?
- A desktop wakes from sleep immediately at night without user input. Check?
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