A+ 1101 Test Out Missed Questions

During the POST, you receive the following message: Keyboard not present. Press F1 to continue. What are the MOST likely causes of this error message? (Select two.)

- A poor keyboard connection - A stuck key on the keyboard

Which of the following help to improve the security of sensitive information on your mobile device if it is lost or stolen? (Select three.)

- Locator applications - A screen lock - Remote wipe

Which of the following are characteristics of the 802.11g wireless standard? (Select three.)

- Maximum bandwidth of 54 Mbps. - Operates in the 2.4 GHz range. - Backwards compatible with 802.11b devices

Which of the following are advantages of using an OEM replacement LCD display? (Select two.)

- The LCD display is the same quality as the screen you are replacing. - The LCD display is guaranteed to work as a replacement.

When a presenter at a conference connects a laptop to a projector, the projector mirrors the laptop's display. The presenter wants to extend the laptop's desktop instead. Which of the following options is the QUICKEST way to make the change?

- Toggle the dual display function key on the laptop.

Which of the following mobile device components are often installed under the bezel of a mobile device display? (Select three.)

- Wi-Fi antenna wires - Webcam - Microphone

Which of the following configurations is MOST likely required on the SOHO router in order to access the system from the internet?

Access to the smart home control system from the internet through the SOHO router is most likely achieved with port forwarding.

What are two major concerns regarding IoT devices? (Select two.)

Hackers and privacy are two majors concerns for IoT users. Because IoT devices are closely connected, all a hacker has to do is exploit one vulnerability to manipulate all the data, rendering it unusable

You have been contacted by OsCorp to recommend a wireless internet solution. The wireless strategy must support a transmission range of 150 feet, use a frequency range of 2.4 GHz, and provide the highest possible transmission speeds. Which of the following wireless solutions should you recommend?

IEEE 802.11g wireless standard best meets the desired requirements. It has a 2.4 GHz frequency range, a transmission range of up to 150 feet, and a maximum speed of 54 Mbps.

You are putting together a gaming system and need to make sure that you find a display that meets your needs. The display needs to have a very good response time, and you would prefer that it be affordable and power-efficient. Which of the following display types will MOST likely meet these needs?

LCD display with TN panel.

You're trying to connect a new USB device to your computer. You install the driver and then connect the device to an open USB port. The device does not work. Which of the following troubleshooting steps is the BEST to try first?

Make sure the USB device is plugged in properly.

As a technician in a computer repair shop, you have determined that the processor in a laptop needs to be replaced with one with a faster processing speed. However, when you remove the keyboard to expose the processor, you notice that the processor is soldered onto the motherboard.

Replace the motherboard with a faster processor.

Which of the following network components is responsible for converting digital data into a signal that can be transmitted?

network interface (NIC) converts the digital data into a signal that can be transmitted along the transmission medium

Which of the following locations will contribute the greatest amount of interference to a wireless access point? (Select two.)

wireless transmitting devices (such as cordless phones or microwaves) and generators cause interference for wireless access points