4A0-M03 Exam Dumps | Given the exhibit, the MME is unable to retrieve authentication vector (AV) from the HSS and the initial

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Given the exhibit, the MME is unable to retrieve authentication vector (AV) from the HSS and the initial UE attach fails.

Which of the following actions is useful for troubleshooting this problem?

A. Verify if the IMSI to HSS mapping list is configured properly.

B. Verify if the TAI value matches between the MME and the HSS.

C. Verify if the DNS server is provisioned to dynamically discover the HSS IP address.

D. Verify if a GTP profile is associated with the S6a interface.

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