Which of the following operating systems is based on UNIX source code and is closed source?
A. AndroidA user updated an iOS smartphone and is now having issues connecting to the Internet. The phone shows 1x for signal strength while making calls. Which of the following are the MOST likely causes of these issues?(Choose two.)
A. Slow performanceA technician is planning a new desktop rollout project for a company. The company wants to donate systems to the library for reuse. The company does not store sensitive material on the desktops, but it does want all the data to be deleted and not easily recoverable.
Which of the following methods would be BEST for the technician to perform to prepare the system for donation?
A. Low-level formattingA smartphone user receives notice that a threshold for high-speed data usage, despite the user's usage behaviors being unchanged from previous periods. Which of the following troubleshooting steps should the user take FIRST?
A. Check network access permissions on recently loaded applications.A technician is setting up a computer that needs to be configured so a few users can access it using Remote Desktop. For security reasons, the users should not be able to install software or change system settings. Which of the following Control Panel utilities should the technician use to accomplish this task?
A. Network and Sharing CenterA user's smartphone is making the camera shutter noise even when the user is not taking pictures. When the user opens the photo album, there are no new pictures. Which of the following steps should be taken FIRST to determine the cause of the issue?
A. Uninstall the camera applicationJoe, a user, notices the data stored on his desktop has disappeared. Joe is able to log in to the computer and use it normally, but he cannot create any new files. All of the applications Joe installed are present, and he is the only person who uses the computer.
Which of the following steps should Joe perform FIRST to resolve the issue and recover the data with minimal effort?
A. Roll back the device driversThe network administrator is called to assist a user, Joe, who has trouble accessing his network drive. Joe states he logs on with his credentials with no problem, however, when he attempts to access a folder via UNC the system asks for credentials. Which of the following is the BEST explanation for this?
A. Joe is logging in with a disabled network user name.A technician needs to configure a user's PC so it can be powered on remotely by another employee who will be working at the help desk after hours. The technician puts the employee in `the correct organizational unit; however, the employee is still unable to connect.
Which of the following settings should the technician configure?
A. Remote AssistanceWhich of the following is a reason to use WEP over WPA?
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