In general, WAN-specific standards identify specific security requirements for WAN devices. For example, the explains the family of controls needed to secure the connection from the internal network to the WAN router, whereas the identifies which controls are vital for use of Web services provided by suppliers and external partnerships. Web services standard, WAN router security standard WAN router security standard, Web services standard Web services standard, Domain Name System WAN router security standard, Domain Name System

B. WAN router security standard, Web services standard

Explanation:

In order to secure the connection from the internal network to the WAN router, certain family of controls are defined by the manufacturers of a router which then forms the family of controls needed to secure the connection from attacks like     Denial of service (DDOS) attack or Simple Network Management Protocol (SNMP) attack.

A web service is a collection of standards and open controls which can be used in communication or the exchange of data between applications or systems. Therefore suppliers and external partnerships can define the standards and controls in their software applications or device to make the device available on the web.