Which keyword is used to specify that a class will define the methods of an interface?

When you add subtotals, Excel defines groups and these groupings form a(n) ________ of your worksheet that displays along the left side of the worksheet

Fill in the blank(s) with correct word

How fast can Category 5e transfer data?

A) 10 Mbps B) 100 Mbps C) 1000 Mbps D) 10 Gbps