While designing a website, a(n) allows you to identify the specific amount of space used on a particular page before it contains final content.
a: wireframe
b: index
c: draft
d: url

Suppose a cpu with a write-through, write-allocate cache achieves a cpi of 2. what are the read and write bandwidths (measured by bytes per cycle) between ram and the cache? (assume each miss generates a request for one block.)