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The best method to perform maintenance on a network switch is using Secure Shell (SSH). SSH provides secure, encrypted command-line access to network devices remotely, enabling configuration changes and diagnostics without exposing credentials or data to interception. Videoconferencing and phone calls are communication tools, not management methods. A VPN creates a secure tunnel but does not directly manage devices. Core 2 networking and security domains highlight SSH as the preferred secure protocol for remote switch administration, supporting operational security best practices.

PowerShell (Option C) is a powerful scripting language used in Windows environments for automating tasks, including the configuration of services across multiple systems. It is widely used by system administrators for scripting and automating administrative tasks.

SQL (Option A) is used for managing databases, not for scripting system configurations.

HTML (Option B) is a markup language for web development, not for automating services.

C# (Option D) is a general-purpose programming language but is not primarily used for administrative automation tasks.

CompTIA A+ Core 2 References:

4.8 - Basics of scripting, including PowerShell for automation

When troubleshooting a printer that was previously working but is no longer recognized by a workstation, Event Viewer is the most appropriate tool to check for historical logs and events related to the printer and the system.

Option A: Performance MonitorPerformance Monitor is used for monitoring system performance and resources in real-time and does not provide specific historical event logs related to device failures.

Option B: Devices and PrintersDevices and Printers show the status and properties of connected devices but do not provide a historical log of events or errors.

Option C: Task SchedulerTask Scheduler manages and monitors scheduled tasks but does not log hardware events or errors.

Option D: Event ViewerEvent Viewer logs system events, including errors, warnings, and information related to hardware and software. It is ideal for checking what happened prior to the printer failure.