220-1102 Exam Dumps - CompTIA A+ Questions and Answers

Full disk encryption is a security mechanism that encrypts the entire data on a hard drive, making it unreadable without the correct decryption key or password. It can prevent the stored data from being recovered by unauthorized persons who steal or access the laptop. Biometrics, enforced strong system password and two-factor authentication are other security mechanisms, but they only protect the login access to the laptop, not the data on the hard drive. Verified References: https://www.comptia.org/blog/what-is-full-disk-encryption https://www.comptia.org/certifications/a

 Mission Control is the macOS feature that provides the user with a high-level view of all open windows. Mission Control allows the user to see and switch between multiple desktops, full-screen apps, and windows in a single screen. Mission Control can be accessed by swiping up with three or four fingers on the trackpad, pressing F3 on the keyboard, or moving the cursor to a hot corner

Given that the smartphone's screen was recently repaired and now experiences issues with Wi-Fi connectivity, despite showing that it is connected to a network, the problem could be related to the internal antenna connections that might have been disturbed or disconnected during the repair process.

Internal Antenna Connections: Smartphones use internal antennas for Wi-Fi and cellular connections. If these antennas are not properly connected, the device may show as connected to a Wi-Fi network but fail to transmit data effectively, resulting in no internet access.

Checking static IP settings (B) would be relevant if the device were not obtaining an IP address at all, but the device does have an IP address. Airplane mode (C) would prevent the device from connecting to Wi-Fi networks entirely. Digitizer calibration (D) is related to the touchscreen functionality and would not affect Wi-Fi connectivity.

The correct answer is B. Power Options. The Power Options utility in the Control Panel allows you to configure various settings related to how your computer uses and saves power, such as the power plan, the sleep mode, the screen brightness, and the battery status. To access the Power Options utility, you can follow these steps:

Go to Control Panel > Hardware and Sound > Power Options.

Click on Change plan settings for the power plan you are using.

Click on Change advanced power settings.

Expand the USB settings category and then the USB selective suspend setting subcategory.

Set the option to Disabled for both On battery and Plugged in.

Click on OK and then on Save changes.

This will prevent the operating system from suspending the USB devices to save power .

System, Devices and Printers, and Ease of Access are not the utilities that should be used to configure the setting. System is a utility that provides information about your computer’s hardware and software, such as the processor, memory, operating system, device manager, and system protection. Devices and Printers is a utility that allows you to view and manage the devices and printers connected to your computer, such as adding or removing devices, changing device settings, or troubleshooting problems. Ease of Access is a utility that allows you to customize your computer’s accessibility options, such as the narrator, magnifier, high contrast, keyboard, mouse, and speech recognition. None of these utilities have any option to configure the USB selective suspend setting.

Power Plans are Windows settings that allow a user to configure how a laptop’s screen behaves when plugged in or running on battery power. They can adjust the screen brightness and the time before the screen turns off due to inactivity. Hibernate, Sleep/Suspend and Screensaver are other Windows settings that affect how a laptop’s screen behaves, but they do not allow changing the screen brightness or turning off time. Verified References: https://www.comptia.org/blog/windows-power-plans https://www.comptia.org/certifications/a

The most important environmental control to maintain the safety of a data center is Temperature control (A). Proper temperature control is crucial to prevent overheating, which can lead to hardware failure, reduced performance, and shortened equipment lifespan. Data centers house high-density computing equipment that generates significant amounts of heat, making effective temperature management essential for maintaining operational stability and reliability​​.

Group Policy is a feature in Windows that allows network administrators to manage and configure operating system, application settings, and user settings in an Active Directory environment. It can enforce password policies across the network, including password length requirements, making it the best tool for ensuring compliance with security policies.

When encountering a warning about antivirus protection malfunctioning, the first step should be to isolate the computer from the network to prevent potential spread of malware. Updating the endpoint protection software is also crucial to ensure the latest virus definitions and security features are in place to effectively identify and remove the threat.

When a WAP (Wireless Access Point) mesh network is experiencing a higher than anticipated amount of traffic, leading to degraded network service, upgrading the network to a more advanced wireless standard can help alleviate the problem. The 802.11n specification, also known as Wireless-N, offers significant improvements over earlier standards like 802.11b/g in terms of speed, range, and reliability. It allows for increased data throughput and better coverage, which can support a higher number of wireless users effectively.

Upgrading to 802.11n: This involves replacing existing WAPs with those that support the 802.11n standard or higher. The upgrade can result in improved network performance by accommodating more wireless connections with higher data rates, reducing congestion and improving overall network efficiency.

Replacing non-mobile users' laptops with wired desktop systems (A) could reduce wireless traffic but may not be feasible or desirable for all users. Increasing the wireless network adapter metric (B) would affect route priority but not overall network capacity. Adding wireless repeaters (C) can extend the range but might also introduce additional latency and does not necessarily increase the network's capacity to handle more users efficiently.

A graphics card, also known as a video card or a GPU (graphics processing unit), is a component that can affect the performance of a computer game. A graphics card is responsible for rendering and displaying graphics on the screen, such as images, animations, and effects. A computer game may require a high level of graphics processing power to run smoothly and achieve high frame rates, which are the number of frames per second (FPS) that the game can display. Upgrading to a better graphics card can improve the performance of a computer game by increasing its graphics quality and frame rates. Hard drive, random-access memory, and monitor are not components that can directly improve the performance of a computer game.

A rollback plan describes the process of reverting a system to its previous state after a failed upgrade or change. This ensures system stability and functionality by restoring known good configurations and is a crucial part of change management to minimize disruptions in case of unsuccessful updates.

In the context of a forensic investigation, especially involving sensitive information, preserving the integrity and the chain of custody of the potential evidence is crucial. The step to "Recover and secure the workstation" involves physically securing the workstation to prevent any unauthorized access and logically securing the data by ensuring that no changes are made to the system or files. This step helps maintain the original state of the workstation, which is essential for a legitimate forensic analysis and ensuring that the evidence is admissible in legal proceedings.

For a company with geographically dispersed staff and the need to keep devices updated, using cloud-based endpoint management software is the most efficient method. This type of software allows IT administrators to remotely manage and push updates to company devices, regardless of their location. It ensures that all devices remain up to date with the latest security patches and software updates without requiring physical access or user intervention. This approach is scalable, reduces the risk of unpatched vulnerabilities, and is convenient for both the IT department and the end-users.

Scripting languages are designed for automating tasks by writing scripts that can execute a series of commands. They are typically easier to write and understand compared to compiled languages and are widely used for automating repetitive tasks, making them the best option for task automation.

The pwd command, which stands for "print working directory," is used in Linux and Unix-like operating systems to display the current directory in which the user is operating. This command outputs the full pathname of the current working directory, helping users to understand their current location in the filesystem hierarchy.

pwd: When executed, it provides the absolute path of the directory you're currently in, which is useful for navigation and scripting purposes.

Other options listed:

dig: This command is used for querying DNS name servers for information about host addresses, mail exchanges, name servers, and related information.

find: This command is used to search for files in a directory hierarchy based on specified criteria (such as name, modification date, size, etc.).

cat: Short for "concatenate," this command is used to read the contents of files and output them to the terminal.