A damaged battery can cause a laptop to overheat and swell, making it unable to sit level on the workspace. A swollen battery can also pose a fire hazard and damage other components of the laptop, such as the motherboard or keyboard. The technician should replace the battery as soon as possible and dispose of it properly according to local regulations. Reference: https://partners.comptia.org/docs/default-source/resources
/a-core-series-combined-content-guide (page 25)

NFC (Near Field Communication) devices commonly authenticate users through methods like badging, where a user's badge or ID card, enabled with NFC, grants access. Passwords and passcodes are not NFC methods, while biometrics are typically used in high-security areas with specific hardware. NFC's authentication, as outlined in the CompTIA A+ Core 1 objectives, facilitates access in environments needing convenient user verification.

This is because HDMI (High-Definition Multimedia Interface) is a digital video cable that can also carry audio signals1. HDMI cables are commonly used to connect devices like Blu-ray players, game consoles, and streaming boxes to HDTVs and monitors. The other options are not capable of carrying audio signals. VGA (Video Graphics Array) is an analog video cable that only carries RGBHV signals12. S-Video (Super Video) is another analog video cable that carries separate luminance and chrominance signals1. DVI (Digital Visual Interface) is a digital video cable that can carry either analog or digital signals, but not audio1.

The correct answer is D. Identify the problem.
The first troubleshooting step that the technician should perform is to identify the problem. This means that the technician should gather information from the user and the system, and analyze the symptoms and the error messages to determine the nature and the scope of the issue. Identifying the problem can help to define the expected outcome, establish a theory of probable cause, and plan a course of action.
The other options are not the first troubleshooting steps, but they are part of the troubleshooting process that should be performed after identifying the problem. Establishing a plan of action (option A) means that the technician should devise a strategy to resolve the issue, based on the theory of probable cause and the available resources. Testing the theory (option C) means that the technician should verify if the theory of probable cause is correct, by performing tests or experiments on the system or its components. Documenting the findings (option B) means that the technician should record and report the results of each troubleshooting step, as well as the final solution and outcome.
For more information about troubleshooting steps and best practices, you can refer to the following web search results: [Troubleshooting Steps for Beginners], [Troubleshooting Methodology], [How to Troubleshoot Like an Expert].

A Hardware Security Module (HSM) securely manages cryptographic keys, including those used to protect credit card chips.
Why Not A (TLS): TLS secures data in transit, not encryption key storage.
Why Not B (AMD): AMD refers to processors, not security modules.
Why Not D (ARM): ARM is a processor architecture, not a cryptographic security solution.
CompTIA A+ Exam Reference: Core 2 (220-1102), Section 2.5, cryptographic hardware.