Which of the following is not a signalling function? To digitise the user's speech before transmission To analyse the dialled digits.
Which of the following was a drawback of CAS signalling? It was not possible to have many different signalling messages. It supported only call related signalling.
.
Which of the following is an advantage of SS7 over CAS signalling? It can support non call related signalling It can send call set-up messages.
Which of the following is not a need for SS7 signalling? The need to make circuit reservations The need to clear connections when the call is over.
Which of the following signalling requirements is specific to GSM
networks only?
The ability to perform non call related signalling procedures The ability to transport service dependent messages across switching exchanges.
Which of the following combinations of SS7 protocols is not present in
PSTN exchanges?
MTP, SCCP, TCAP, MAP. MTP, TUP.
Which of the following SS7 protocols is specific to GSM networks only? MTP MAP.
Which of the following combinations best contains the network elements in the GSM network that does not have SS7? BTS, TC BSC, BTS.
|
