What protocol is used to translate MAC layer addresses into numeric IP addresses?

You can use the attribute value _self with the target attribute when you want a link to:

A) open in the frame that contains the current frameset. B) open in the current window. C) display in a new window. D) open in the same frame that contains the link.

Describe how testing activities can be initiated well before implementation activities. Explain why this is desirable.

What will be an ideal response?