CompTIA 220-1201 Based on Real Exam Environment

An actively utilized mobile hotspot is the most likely cause of the accelerated battery discharge. Hotspot functionality requires the phone to maintain a cellular data connection while simultaneously operating its Wi-Fi radio to provide internet access to connected devices. This creates continuous processor, cellular modem, and wireless-radio activity, which can consume battery power rapidly. Battery health of 82% indicates some normal degradation, but it is not sufficiently low by itself to explain an abrupt increase in power consumption. Roaming can increase battery use when the device repeatedly searches for or switches between cellular networks, but the scenario explicitly indicates that the hotspot is being utilized, making it the stronger cause. The expired warranty has no technical relationship to battery consumption, and the amount of used storage does not directly cause rapid battery discharge.

CompTIA A+ identifies satellite internet as the connection type most susceptible to weather-related interference, particularly rain, snow, and heavy cloud cover. This phenomenon is known as rain fade. Satellite connections rely on high-frequency microwave signals transmitted between a dish antenna at the customer site and an orbiting satellite. Moisture in the atmosphere absorbs and scatters these signals, causing latency spikes, reduced bandwidth, or complete signal loss during storms.

Fiber (A) uses light signals through glass fiber and is immune to electromagnetic and weather interference. Cable internet (B) uses shielded coaxial lines buried or run overhead, but rain does not affect signal quality in normal conditions. DSL (D) uses telephone lines, which may degrade with physical line issues, but not directly due to rain in the same way satellite is affected.

Thus, satellite internet is most likely to experience signal degradation during rain conditions.

A WWAN card provides cellular wide-area network connectivity (such as LTE or 5G) for a laptop, allowing it to access mobile data networks similar to a smartphone. To authenticate to a cellular carrier and identify the subscriber account, WWAN devices typically use a SIM (Subscriber Identity Module) or an embedded SIM. The SIM contains carrier subscription information and security credentials used during registration on the cellular network. Without a valid SIM or eSIM profile, the WWAN radio may be present, but it cannot complete carrier authentication and will not provide cellular data service.

The other options are different wireless technologies that are not the defining requirement for WWAN service. Wi-Fi is WLAN connectivity, usually provided by a separate Wi-Fi adapter. Bluetooth is a short-range personal area networking technology for peripherals and tethering. NFC is very short-range communication used mainly for tap-to-pair or payments. Therefore, the technology a built-in WWAN card supports in this context is SIM.

The administrator should virtualize the server and place the resulting virtual machine on an air-gapped network. Physical-to-virtual conversion preserves the legacy operating system, application, and configuration while removing dependence on ageing physical hardware. An air-gapped network provides strong isolation by preventing the unsupported system from communicating with the internet or other untrusted networks, significantly reducing its exposure to remote attacks. Upgrading the operating system could make the legacy application incompatible and is not practical when the software is no longer maintained. Migrating only the application data to a SaaS provider does not preserve the business-critical application itself and may be impossible without vendor support. Decommissioning the server would interrupt the required business service. Virtualization also enables snapshots, controlled backups, resource management, and easier recovery while maintaining the isolated environment required for the unsupported workload.