A+ Certification Quiz IT Technician-author Rtrahan

A Wireless Access Point Router is the most common device used in homes as a central point for their wireless network. This device combines the functions of a wireless access point and a router. It allows multiple devices to connect to the network wirelessly and also provides internet connectivity by routing the data packets between the local network and the internet.

Device Manager is the correct answer because it is a utility that allows users to check the hardware resources of their computer system and make changes to them if permitted. It provides a detailed view of all the hardware devices installed on the system, including information about their drivers, status, and properties. Users can use Device Manager to update drivers, enable or disable devices, uninstall devices, and troubleshoot hardware issues. Task Manager, Program Manager, and Control Panel are not specifically designed for managing hardware resources, making Device Manager the most appropriate choice.

The correct answer is "Compete Mode" because it is not a recognized boot mode in Microsoft systems. The other options, Normal Mode, Safe Mode, and VGA Mode, are all valid boot modes that serve different purposes. Normal Mode is the default mode for starting up the system, Safe Mode is a diagnostic mode used to troubleshoot issues, and VGA Mode is a mode that uses basic video graphics drivers.

CHKDSK is considered a diagnostic utility in the Microsoft operating system. CHKDSK stands for "Check Disk" and is used to check the integrity of the file system and the hard drive for errors. It scans the disk for bad sectors, fixes logical file system errors, and recovers readable information. It can also be used to repair and recover data from corrupted disks. Therefore, CHKDSK is a valuable tool for diagnosing and fixing issues with the operating system's file system and hard drive.

The term for outdated hardware or software is "Legacy Parts".

Bluetooth class 2 devices have a maximum range of 10 meters or 30 feet. This means that they can send data to other devices within this range. Bluetooth class 2 is commonly used in most consumer electronics like smartphones, tablets, and laptops, allowing them to connect wirelessly to other devices such as headphones, speakers, and keyboards. However, it is important to note that the range can vary depending on the environment and any obstacles that may interfere with the signal.

802.11g is the correct answer because it is a wireless communication standard that supports data transfer speeds of up to 54Mbps. This standard operates in the 2.4GHz frequency range and is backward compatible with the 802.11b standard. It offers faster data rates and improved performance compared to 802.11b, making it suitable for applications that require higher bandwidth, such as streaming video or online gaming. Bluetooth is a different wireless communication standard that operates in the 2.4GHz frequency range but has a lower maximum data transfer rate of around 3Mbps. 802.11 is a general term for wireless LAN standards, and 802.11b is an older standard that supports data transfer speeds of up to 11Mbps.

IRQ (Interrupt Request) Lines are system resources that allow expansion cards to signal the CPU that they require some of the CPU's time. When an expansion card needs the CPU's attention, it sends an interrupt request signal through an IRQ line. The CPU then stops its current task and handles the interrupt, giving priority to the expansion card's request. This allows for efficient communication between expansion cards and the CPU, ensuring that they can share the CPU's time effectively without causing conflicts or delays.

The correct answer is "Inverter." In most LCDs, the inverter is the CPU part that supplies power to the backlight. The inverter converts the DC power from the power adapter into AC power, which is necessary for the backlight to function properly. Without the inverter, the backlight would not receive the necessary power and the LCD display would not be visible.

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A crossover cable is used to connect two laptops together. This type of cable is specifically designed to allow direct communication between two devices without the need for a network switch or hub. It is often used for file sharing or for creating a small network between two computers.

In order to increase the amount of memory available to the video card from 32MB to 64MB, you need to access the System BIOS. The System BIOS (Basic Input/Output System) is a firmware that is responsible for initializing the hardware components of the computer, including the video card. By accessing the System BIOS, you can modify the settings related to the video card and allocate more memory to it. This will allow the video card to have a larger amount of memory available for processing graphics and improving performance.

GSM (Global System for Mobile Communications) and CDMA (Code Division Multiple Access) are both widely used standards for cellular communications. GSM is a standard for digital cellular networks that allows for voice and data transmission, while CDMA is a digital cellular technology that uses spread spectrum techniques to allow multiple users to share the same frequency band simultaneously. Both GSM and CDMA have been widely adopted by mobile operators around the world, making them important standards in the field of cellular communications.

The 1/8 inch jack is not an example of a standard input output connector. The other options listed (Mini-DIN, D-subminiature, USB) are all commonly used connectors for input and output devices. The 1/8 inch jack, also known as a headphone jack, is primarily used for audio output and is not typically used for other types of input or output connections.

A piconet is a network of Bluetooth devices where one device acts as a master and up to seven other devices can connect to it as slaves. Therefore, the correct answer is "Eight" because a piconet can have a maximum of eight devices, including the master device.

The given question asks for a configuration option for computer video, and the options provided are PinCushion, Contrast, Trapezoid, and Rhombus. PinCushion, Contrast, and Trapezoid are all valid configuration options for computer video, but Rhombus is not. A rhombus is a geometric shape and is not related to video configuration. Therefore, Rhombus is the correct answer as it does not belong to the category of computer video configuration options.

Low-level formatting is the term for an operating system independent operation that ties a hard drive to its controller card. This process prepares the hard drive for use by dividing it into sectors and tracks, and it establishes the necessary structures for data storage and retrieval. It is performed at the factory or by specialized software and is different from high-level formatting, which is done by the operating system and prepares the drive for file system usage. Partitioning is the process of dividing a hard drive into multiple logical sections, while scrubbing refers to the process of securely erasing data from a hard drive.

Bluetooth uses the 2.4 - 2.485GHz range for transmitting. This frequency range is commonly used for various wireless communication technologies due to its availability and limited interference. Bluetooth devices operate within this range to ensure compatibility and reliable communication between devices.

Infrared devices use a different encryption method called Infrared Data Association (IrDA) to secure transmissions. IrDA uses a combination of protocols and algorithms to ensure secure communication between devices. Therefore, the correct answer is "None of the Above" as none of the listed options represent the encryption method used by infrared devices.