Authentic CompTIA Certification Exam 220-1101 Questions Answers

USB-C is the best connection method to use to connect the dock to the laptop because it supports multiple display outputs, data transfer, audio, and power delivery with a single cable. USB-C can also be compatible with Thunderbolt 3 or DisplayPort over USB-C docking stations, which offer even higher performance and versatility. USB-C is also a reversible connector, which makes it easy and convenient to use.

References:

The Official CompTIA A+ Core 1 Student Guide (Exam 220-1101), Chapter 2: Configure and Support PC Components, Section 2.5: Compare and contrast various connection interfaces and explain their purpose, Page 941

How to Connect and Set Up a Docking Station With a Dell Laptop2

How to Dock a Laptop (with Pictures) - wikiHow3

How To Connect Two Laptops To One Docking Station4

VGA stands for Video Graphics Array, and it is a type of cable that can be used to transmit analog video signals between devices, such as laptops, monitors, or projectors. VGA cables have 15 pins arranged in three rows, and they are usually color-coded blue. VGA cables can support resolutions up to 2048 x 1536 pixels, but they have low quality and limited color depth compared to modern digital standards such as HDMI or DisplayPort .

A projector is a device that projects an image or a video onto a large surface, such as a wall or a screen. A projector can have different types of input ports, such as VGA, HDMI, DVI, or USB. A projector can also have different types of output technologies, such as LCD, DLP, or LED .

In this scenario, the user needs a technician’s help connecting a laptop to a projector. The projector is old and only has analog input. This means that the projector can only accept analog video signals, and not digital ones. Therefore, the technician should use a VGA cable to connect the laptop to the projector, as it is the most common type of analog video cable. The technician should also make sure that the laptop and the projector have compatible VGA ports, and that the laptop’s display settings are adjusted to match the projector’s resolution and aspect ratio.

The answer is C. Clean the air filter.

A flashing LED code on a projector usually indicates a problem with the projector’s hardware, such as the lamp, the fan, the temperature sensor, or the air filter. According to the web search results, some possible causes and solutions for this problem are:

Projector is too hot: Make sure that the vents and air filter are not clogged with dust or obstructed by nearby objects. Clean or replace the air filter. Make sure the environmental temperature is not too hot12.

Projector has overheated and turned off: Leave it turned off to cool down for five minutes. Make sure that the vents and air filter are not clogged with dust or obstructed by nearby objects. Clean or replace the air filter. If operating the projector at high altitude, turn on High Altitude Mode12.

Low air flow through the projector or air filter: Make sure that the vents and air filter are not clogged with dust or obstructed by nearby objects. Clean or replace the air filter12.

References:

Projector Light Status

Projector Light Status