1.
What is the interface between the Serving Call Session Control Function (S-CSCF) and the Access Gateway Control Function (AGCF)?
A. 
B. 
C. 
D. 
2.
What is the interface between the Media Gateway Control Function (MGCF) and the Signaling Gateway Function (SGF)?
A. 
B. 
C. 
D. 
3.
What is the interface between the Border Gateway Control Function (BGCF) and the Interrogating Call Session Control Function (I-CSCF)?
A. 
B. 
C. 
D. 
4.
What is the interface between the Proxy Call Session Control Function (P-CSCF) and the User Equipment (UE)?
A. 
B. 
C. 
D. 
5.
What is the interface between the Network Attachment SubSystem (NASS) and the Access Gateway Control Function (AGCF)?
A. 
B. 
C. 
D. 
6.
What is the interface between the IP Multimedia Service Switching Function (IM-SSF) and the Serving Call Session Control Function (S-CSCF)?
A. 
B. 
C. 
D. 
7.
What is the interface between the Home Subscriber Server (HSS) and the Interrogating Call Session Control Function (I-CSCF)?
A. 
B. 
C. 
D. 
8.
What is the interface between the Proxy Call Session Control Function (P-CSCF) and the Interrogating Call Session Control Function (I-CSCF)?
A. 
B. 
C. 
D. 
9.
What is the interface between the Proxy Call Session Control Function (P-CSCF) and the Serving Call Session Control Function (S-CSCF)?
A. 
B. 
C. 
D. 
10.
What is the interface between the Serving Call Session Control Function
(S-CSCF) and the Media Resource Function Controller (MRFC)?
A. 
B. 
C. 
D. 
11.
What is the interface between the Interworking Function (IWF) and the Interconnection Border Controller (IBCF)?
A. 
B. 
C. 
D. 
12.
What is the interface between the Access Border Gateway Function (A-BGF) and the Resource and Admission Control Function (RACF)?
A. 
B. 
C. 
D. 
13.
What is the interface between the Media Resource Control Function (MRFC) and the Media Resource Function Processor (MRFP)?
A. 
B. 
C. 
D. 
14.
What is the interface between the Interconnection Border Gateway Function (I-BGW) and the Interconnection Border Control Function (IBCF)?
A. 
B. 
C. 
D. 
15.
What is the interface between the Interrogating Call Session Control Function (I-CSCF) and the Subscriber Location Function (SLF)?
A. 
B. 
C. 
D. 
16.
What is the interface between the Charging Function and the SIP Application Server (SIP AS)?
A. 
B. 
C. 
D. 
17.
What is the interface between the Proxy Call Session Control Function (P-CSCF) and the Network Attachment Subsystem (NASS)?
A. 
B. 
C. 
D. 
18.
What is the interface between the SIP Application Server (SIP AS) and the Home Subscriber Server (HSS)?
A. 
B. 
C. 
D. 
19.
What is the interface between the Interworking Function (IWF) and other IP Networks?
A. 
B. 
C. 
D. 
20.
What is the interface between the Interconnection Border Gateway Function (I-BGF) and the Resource Admission Control Function (RACF)?
A. 
B. 
C. 
D. 
21.
What is the interface between the SIP Application Server (SIP AS) and the Subscriber Location Function (SLF)?
A. 
B. 
C. 
D. 
22.
What is the interface between the Serving Call Session Control Function (S-CSCF) and the Home Subscriber Server (HSS)?
A. 
B. 
C. 
D. 
23.
What is the interface between the Serving Call Session Control Function (S-CSCF) and the SIP Application Server (SIP AS)?
A. 
B. 
C. 
D. 
24.
What is the interface between the Proxy Call Session Control Function (P-CSCF) and the Resource Admission Control Function (RACF)?
A. 
B. 
C. 
D. 
25.
What is the interface between the Serving Call Session Control Function (S-CSCF) and the Interrogating Call Session Control Function (I-CSCF)?
A. 
B. 
C. 
D.