Company XYZ provides residential television cable service across a large region.
The company’s board of directors is in the process of approving a deal with the following three companies:
– A National landline telephone provider
– A Regional wireless telephone provider
– An international Internet service provider
The board of directors at Company XYZ wants to keep the companies and billing separated. While the Chief Information Officer (CIO) at Company XYZ is concerned about the confidentiality of Company XYZ’s customer data and wants to share only minimal information about its customers for the purpose of accounting, billing, and customer authentication. The proposed solution must use open standards and must make it simple and seamless for Company XYZ’s customers to receive all four services.
Which of the following solutions is BEST suited for this scenario?
A . All four companies must implement a TACACS+ web based single sign-on solution with associated captive portal technology.
B . Company XYZ must implement VPN and strict access control to allow the other three companies to access the internal LDA
D . Company XYZ needs to install the SP, while the partner companies need to install the WAYF portion of a Federated identity solution.
E . Company XYZ needs to install the IdP, while the partner companies need to install the SP portion of a Federated identity solution.
Answer: D
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