CompTIA Test Questions

1. Of the following 4 options, Which incorrectly describes the functionality of parity RAM or parity memory?
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1. Of the following 4 options, Which incorrectly describes the functionality of parity RAM or parity memory?
Parity RAM can self-correct detected errors

Parity memory or Parity RAM uses parity bit to detect errors. Parity memory is great for detecting errors but offers no way to correct the error once it occurs. Automatic error correction is possible using Error-Correcting Code memory(ECC) but not parity memory.
2. Which of the following features will save the battery life of laptop significantly if they are disabled? Choose two
Cellular, Bluetooth
3. Which of the following Ethernet cables would BEST support an application that requires a 600 Mbps throughput at the lowest price point?
Cat 5e
4. Which statement most accurately describes RAID 10?
RAID 10 provides data redundancy and faster performance

RAID 10 (RAID 1 + 0) combines RAIDs 1 and 0 into single disk array and provides both data redundancy faster performance.
5. An analyst asks a technician to recommend a solution for a customer in the software development industry, where the customer can test a variety of OSs running the various applications that the customer produces. The customer wants to minimize the investment in hardware.
Which of the following solutions should the technician recommended to BEST meet the customer requirement?
Purchase a high-end system meeting the hardware requirements for all of the individual OSs and applications. Configure a VM for each testing environment.
6. Which option supports Hardware-Assisted Virtualization (HAV)?
VT-x
7. A technician replaced a broken LED screen on a mobile computer. The operating system can be seen perfectly on screen, but the touch screen is non-responsive. Which of the following are the MOST probable root causes for the given failure? Choose three
The Hardware replacement used is non-touch-screen version.
The digitizer cable is not seated properly on the motherboard.
The new touch-screen drivers must be installed.
8. Your employer offers company owned cellphones to some employees. A ticket has been created by an employee stating their cellphone is not connecting to the company WIFI. What troubleshooting step should be done first?
Verify WiFi is enabled.
Smart phones, including all iOS and Android devices, have the ability to disable WiFi using a system setting. You should always start with the simple troubleshooting steps first, like verifying WiFi is enabled
9. A technician is installing an optical drive in an engineering workstation that allows for optical media backups to 128GB for each project. Which of the following drives should the technician install in the workstation?
BD-R
10. Which of the following is network protocol used to download emails onto a mobile phone?
POP3