- (Topic 4)
A user with an older laptop is unable to connect to the office network after new access points were installed. The user confirms that from home the laptop can connect wirelessly to the network. Which of the following should the user to do to quickly resolve the issue?
Correct Answer:
A
A USB adapter is a device that can plug into a USB port on a laptop and provide wireless connectivity to a network. A USB adapter can support different wireless standards, such as 802.11a, 802.11b, 802.11g, 802.11n, or 802.11ac. A USB adapter can also support different wireless frequencies, such as 2.4 GHz or 5 GHz.
In this case, the user with an older laptop may not be able to connect to the office network after new access points were installed because the laptop’s built-in wireless card does not support the same wireless standard or frequency as the new access points. For example, if the new access points use 802.11ac and 5 GHz, and the laptop’s wireless card only supports 802.11g and 2.4 GHz, the laptop will not be able to communicate with the access points.
To quickly resolve this issue, the user should connect a new USB adapter that supports the same wireless standard and frequency as the new access points. This way, the user can bypass the laptop’s wireless card and use the USB adapter to connect to the office network wirelessly.
Reference: CompTIA A+ Core 1: Cable Types & Connectors
- (Topic 2)
A technician is setting up a laptop with an encrypted hard drive. The laptop will securely store a PIN that the user will input at log-on. Which of the following must be installed to set up this configuration?
Correct Answer:
A
TPM stands for Trusted Platform Module, and it is a special chip installed on a computer’s motherboard that stores encryption keys, passwords, and digital certificates. It can also securely store a user’s PIN, allowing them to access the laptop without having to enter the PIN every time they log on. TPM is a secure way to store and protect sensitive data, making it ideal for use in laptops that need to securely store a PIN.
- (Topic 3)
A technician responds to a user who has reported that a laptop is too hot. The technician notices the laptop is not able to sit level on the workspace. What of the following BEST describes the issue with the laptop?
Correct Answer:
D
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)
- (Topic 4)
A user is requesting a headset that can be physically connected to a laptop for online conference calls. Which of the following connections should the headset use?
Correct Answer:
D
A USB (universal serial bus) connection is the most suitable option for a headset that can be physically connected to a laptop for online conference calls. A USB connection is a digital interface that can transfer both power and data between devices using a standard cable. A USB headset can plug into any available USB port on the laptop and communicate with the audio and microphone drivers without requiring additional software or hardware. A USB headset can also offer enhanced features, such as inline controls, noise cancellation, surround sound, or LED lighting, depending on the model and manufacturer.
Other connections, such as Bluetooth, DVI, or Thunderbolt, are not appropriate for a headset that can be physically connected to a laptop. Bluetooth is a wireless technology that uses radio waves to pair devices over a short distance, and it requires a battery or a charger for the headset. DVI (digital visual interface) is a video interface that can transmit digital or analog signals between a display device and a video source, and it is not compatible with audio or microphone devices. Thunderbolt is a high-speed interface that can support multiple protocols, such as DisplayPort, USB, or PCI Express, and it requires a special cable and port that may not be available on all laptops.
References:
✑ How to set up and use a headset on Windows 10 | Windows Central1
✑ How to Connect a Headset to a Computer2
✑ USB - Wikipedia
- (Topic 3)
The GPS on a user's phone has been unreliable. Which of the following will MOST likely resolve the issue?
Correct Answer:
A
Enabling high-accuracy mode is the most likely action to resolve the issue of unreliable GPS on a user’s phone. High-accuracy mode uses multiple sources of location data, such as Wi-Fi, cellular networks, and Bluetooth, to improve the accuracy and reliability of GPS. Replacing the battery, disabling Wi-Fi connections, or utilizing a third- party map application are unlikely to fix the GPS issue, as they are not directly related to the GPS function