Video stored in MPEG format have the extension …………… .

1. avi
2. wmv
3. mpg
4. None of these

The …………… identifies every single node in a network by providing a unique physical address to it.

An …………… refers to a computer network that allows controlled access from outside for specific business or educational purpose.

A cable modem connects to the Internet using a …………… access through a telephone line.