Free CompTIA A+ Practice Test

A desktop technician is assembling a high-performance CAD workstation and needs to install primary storage that provides maximum sequential read and write throughput for rendering massive 3D models. Which storage interface and form factor combination will deliver the highest sustained transfer speeds directly across the PCIe bus?

A network administrator needs to configure secure remote terminal access to network switches and routers across the corporate WAN, ensuring that all administrative authentication credentials and session commands are strongly encrypted in transit. Which network protocol and default transport port should the administrator implement?

A field technician is diagnosing a company-issued laptop where the user reports that the screen is "completely black" and unreadable. When the technician shines a bright flashlight directly onto the laptop screen at an angle in a darkened room, the Windows desktop icons and open windows are faintly visible. Which internal display component has failed?

An enterprise software development team needs a cloud computing environment where developers can build, test, and deploy web applications without managing underlying operating system patches, hypervisors, server hardware, or storage provisioning. Which cloud service model should the enterprise select?

A Windows 11 workstation is experiencing random application crashes and system stability issues following an abrupt power failure. A systems administrator wants to scan all protected operating system binaries and automatically replace corrupted files with cached, verified copies from the Windows component store. Which command-line utility should the administrator execute in an elevated Command Prompt?

A senior corporate accountant receives an urgent email that appears to originate directly from the company's Chief Executive Officer. The email addresses the accountant by first name, references an active confidential corporate acquisition, and instructs them to immediately wire $75,000 to an offshore escrow account before end of day. Which specific type of social engineering attack does this scenario represent?

A corporate workstation has been infected with browser-hijacking spyware and rogue redirect pop-ups. In accordance with the official CompTIA 7-step malware remediation best practice process, which action must a technician perform immediately AFTER identifying and researching the malware symptoms?

A systems engineer plans to deploy a major firmware upgrade to the core routing infrastructure of an enterprise data center during a scheduled maintenance window. Under standard IT change management procedures, what critical documentation must the engineer prepare and submit to the Change Advisory Board (CAB) to outline how to restore the network to its prior operational state if the upgrade fails?