Name of the interface present between the AS and HSS

Interview
1

Q. Name of the interface present between the AS and HSS

a) Cx
b) Rx
c) Gx
d) Sh

Check 🔎

:arrow_right: Correct answer: Letter d.

The Sh interface is used between the Application Server (AS) and the Home Subscriber Server (HSS) in IMS architecture to exchange subscriber-related data.

Q. Name of the interface present between the AS and HSS

a) :x: “Cx”
→ Incorrect. The Cx interface is used between the CSCF and HSS.

b) :x: “Rx”
→ Incorrect. The Rx interface connects the PCRF and the P-CSCF.

c) :x: “Gx”
→ Incorrect. The Gx interface connects the PCRF and PGW for policy control.

d) :white_check_mark: “Sh”
→ Correct. The Sh interface links the AS and HSS for subscriber data exchange.