Q8,paper 3,D 12. The Mobile Application Protocol (MAP) typically runs on top of which protocol ?

(A) SNMP (Simple Network Management Protocol)
(B) SMTP (Simple Mail Transfer Protocol)
(C) SS7 (Signalling System 7)
(D) HTTP (Hyper Text Transfer Protocol)
Answer©.
SS7 functions are as follows.
Setting up and tearing down circuit-switched connections, such as telephone calls made over both cellular and fixed-line.
Advanced network features such as those offered by supplementary services (calling name/number presentation, Automatic Callback, and so on).
Mobility management in cellular networks, which permits subscribers to move geographically while remaining attached to the network, even while an active call is in place. This is the central function of a cellular network.
Short Message Service (SMS) and Enhanced Messaging Service (EMS), where SS7 is used not only for signaling but also for content transport of alphanumeric text.
Support for Intelligent Network (IN) services such as toll-free (800) calling.Support for ISDN.Local Number Portability (LNP) to allow subscribers to change their service, service provider, and location without needing to change their telephone number.