单项选择题 An administrator needs to know the workstation name of a user who called in for support in orderto remotely manage it. After calling the user and having the user open a command prompt, whichof the following commands would the administrator ask the user to type?（）

单项选择题 A technician is troubleshooting a network connectivity issue with a users desktop configured to use a static IP address. The technician notes the following configuration: Which of the following changes will allow the desktop to communicate properly with remote networks?（）

单项选择题 A technician temporarily needs an additional network connection in their office to test a newworkstation. Which of the following is the BEST solution to add a temporary network connection?（）