When servicing a laptop, which of the following components usually requires the keyboard to beremoved before the component can be replaced?（）

A user has a new network printer they want setup in the...

多项选择题A user has a new network printer they want setup in their home. The user wants all their PCs aswell as any guests with laptops to be able to print to it. Which of the following connection methods would be the MOST effective for meeting these requirements？（）

Which of the following protocols would be used in order...

单项选择题Which of the following protocols would be used in order to log into a router to configure a VLAN?（）

When a user’s computer is first turned on, they see a l...

单项选择题When a user’s computer is first turned on, they see a lock symbol and a blinking cursor. Which of the following was configured in the BIOS to show this?（）