Several computers are having wireless network connectivity issues. Two computers that are wired are working correctly and have a static IP assigned. Which of the following should a technician check NEXT?

The IT department recently updated client computers for the graphics department. A user reports the new computer has not worked since it was set up: it makes unusual sounds when pressing the power button. A technician verifies the power cable works and the computer is connected property to both data and power. The monitor powers on but only displays the message: No source. Which of the following BEST explains the cause of this issue?

A customer wants to store archived data on inexpensive optical media that will then be placed in a safe. According to the customer, each runoff of data will be between 2GB and 3GB. Which of the following devices does a technician need to install for the customer?

Ann, a user, lost her mobile phone while traveling and discovered she did not have a backup of the flies on the phone After obtaining a new phone, Ann wants to ensure she has a backup of her phone In case she loses It again. Which of the following is the BEST protection against the loss of phone data?

A business owner wants to provide security to laptop users with the ability to charge their devices, access corporate LAN resources, and allow for a variety of their removable hardware. Which of the following devices would BEST meet the owner's needs?