Users who are more advanced can also take a blog from a site such as Blogger or WordPress and link it to Facebook ________

A technique referred to as a __________ is a mapping achieved by performing some sort of permutation on the plaintext letters.

A) transposition cipher B) polyalphabetic cipher C) Caesar cipher D) monoalphabetic cipher

Extend the implementation of Exercise 29.12 to allow the base tables to be updated from the Web browser.

What will be an ideal response?