Security issues - Quiz Explanation

The answers you selected are indicated below, along with text that explains the correct answers
.
1. What is the strongest level of SSL encryption permitted when transferring data within the USA?
Please select the best answer.
  A. 256
  B. 128
  C. 64
  D. 32
  The correct answer is B.

2. When using a digital signature, a certificate must be purchased that validates the user's future correspondence. What is the name of the kind of company, or organization, which sells these certificates and performs the validations?
Please select the best answer.
  A. The Federal Bureau of Registrars
  B. The Server-Side Securities Exchange Commision
  C. Registries of Authenticity
  D. Certificates of Authority
  The correct answer is D. The other answers are invalid. No such organizations exist, nor is the industry for Certificates referred to in these terms.

3. What is the name of the protocol that provides secure point-to-point communication over the Internet (and replaced the need for dedicated phone lines to achieve this level of security)?
Please select the best answer.
  A. VPN
  B. HTML
  C. Worm Tunneling
  D. Inverted packet encrytion
  The correct answer is A. Answer B is incorrect because HTML is the language used to format Web pages. Answer C is incorrect because there is no such protocol called Worm Tunneling. Answer D is incorrect because there is no such protocol referred to as Inverted Packet encryption. Which statement is most likely to be present in a security plan, but not a security policy?