Which of the following provides authentication, encryption and data integrity for wireless devices?

Question

Options

• APAP
• BWAN
• CWAP
• DWTLS

• A
  8% (3)
• B
  16% (6)
• C
  3% (1)
• D
  74% (28)

Explanation

WTLS provides authentication, encryption and data integrity for wireless devices. Wireless Transport Layer Security (WTLS) is a security layer of WAP, which is specifically designed for a wireless environment. It provides privacy, data integrity, and authentication for client-server communications over a wireless network. WTLS ensures that a client and server are authenticated so that wireless transactions remain secure and the connection is encrypted. WTLS is required because a wireless network does not provide end-to-end security. Answer option B is incorrect. Wide Area Network (WAN) represents a network spanned in a large geographic area. WANs connect two or more LANs separated by a large distance. To connect LANs in a WAN network, carrier networks such as telephone companies provide the services. The basic types of connections or circuits WAN services use are circuit-switched, cell-switched, packet-switched, and dedicated connections. A is incorrect. Password Authentication Protocol (PAP) is the least sophisticated authentication protocol, used mostly when a client calls a server running an operating system other than PAP uses plain text passwords. Answer option C is incorrect. The Wireless Access Protocol (WAP) is a technology used with wireless devices. The functionality of WAP is equivalent to that of TCP/IP. WAP uses a smaller version of HTML called Wireless Markup Language (WML) to display Internet sites.

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