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1.
Which failure code is sent in the authentication reject message when a UE with USIM fails to receive the AUTN as part of the authentication and ciphering request from the SGSN?
2.
How does an S4-SGSN identify a peer node as an SGSN or MME when GUTI-to-RAI mapping is unavailable?
3.
Which option describes how the Diameter relay agent routes messages to Diameter servers?
4.
An airport is providing free one-hour mobile Internet service for passengers. At the end of the free one-hour service, the PCRF sends a Diameter command to the mobile packet core to stop the free service. Which Diameter command is sent by the PCRF?
5.
Which IP protocol number is used by GRE?
6.
Which option provides a secure connection between two endpoints as it encapsulates the IP payload?
7.
Which MPLS/BGP functionality can the Cisco ASR 5000 GGSN run in a service provider network?
8.
Which option describes the advantage of using L2TP over IPsec versus IPsec only?
9.
Which option describes how IPsec is used for L2TP configuration on GGSN?
10.
According to 3GPP standards, which option is the interface between the Charging Data Function and the Charging Gateway Function?