A technician needs to assign a default subnet mask for a class B network to a network device that was just installed. Which of the following would the technician use?()
A、224.0.0.1
B、255.0.0.0
C、255.255.0.0
D、255.255.255.0
A、224.0.0.1
B、255.0.0.0
C、255.255.0.0
D、255.255.255.0
A、The technician plugged a USB 2.0 device into a USB 1.1 port. B、The technician needs to reboot the computer for the device to work. C、The technician plugged a USB 1.1 device into a USB 2.0 port. D、The front panel connectors are not plugged into the motherboard.