You work as a system administrator for Tech Perfect Inc. The company has a Linux-based
network. You are a root user on the Linux operating system. A user, Jetson, wants to view the
speed and the duplex for his Ethernet card. His ethernet card is activated on interface eth0. Which
of the following commands can you use to accomplish this task?

A.
ifup eth0

B.
ifconfig eth0

C.
ip link show eth0

D.
sudo ethtool eth0