You work as a Server Administrator for company Inc. You want all transactions to the storefront on the Web server to be encrypted. Which of the following security protocols will you use to encrypt…

Question

Options

• AL2TP
• BPPTP
• CSSL
• DIPSec

• A
  5% (2)
• B
  2% (1)
• C
  93% (38)

Explanation

In order to encrypt Web traffic, you should use the SSL protocol. The Secure Sockets Layer (SSL) is a commonly-used protocol for managing the security of a message transmission on the Internet. SSL has recently been succeeded by Transport Layer Security (TLS), which is based on SSL. SSL uses a program layer located between the Internet's Hypertext Transfer Protocol (HTTP) and Transport Control Protocol (TCP) layers. SSL is included as part of both the Microsoft and Netscape browsers and most Web server products. URLs that require an SSL connection start with https: instead of http:. Answer: B is incorrect. Point-to-Point Tunneling Protocol (PPTP) is a method for implementing virtual private networks. PPTP does not provide confidentiality or encryption. It relies on the protocol being tunneled to provide privacy. It is used to provide secure, low-cost remote access to corporate networks through public networks such as the Internet. Using PPTP, remote users can use PPP- enabled client computers to dial a local ISP and connect securely to the corporate network through the Internet. PPTP has been made obsolete by Layer 2 Tunneling Protocol (L2TP) and IPSec. Answer: A is incorrect. Layer 2 Tunneling Protocol (L2TP) is a more secure version of Point-to- Point Tunneling Protocol (PPTP). It provides tunneling, address assignment, and authentication. It allows the transfer of Point-to-Point Protocol (PPP) traffic between different networks. L2TP combines with IPSec to provide tunneling and security for Internet Protocol (IP), Internetwork Packet Exchange (IPX), and other protocol packets across IP networks. Answer: D is incorrect. Internet Protocol Security (IPSec) is a standard-based protocol that provides the highest level of VPN security. IPSec can encrypt virtually everything above the networking layer. It is used for VPN connections that use the L2TP protocol. It secures both data and password. IPSec cannot be used with Point-to-Point Tunneling Protocol (PPTP).

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