Signalling System No. 7 (SS7) MCQ’s

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This set of Wireless & Mobile Communications Multiple Choice Questions & Answers (MCQs) focuses on “Signalling System No. 7 (SS7)”.

1. Which of the following service is called CLASS?
a) Touchstar
b) 800 services
c) Alternate billing services
d) 400 services

2. Which of the following service of SS& provides call return, call forwarding?
a) Touchstar
b) 800 services
c) Alternate billing services
d) 400 services

3. Which of the following is not a service offered by SS7?
a) Touchstar
b) 800 services
c) Alternate billing services
d) 400 services

4. Alternating billing service uses CCS network.
a) True
b) False

5. Which of the layer of OSI is associated with NSP of SS7?
a) All layers
b) Upper three
c) Lowest three
d) Middle two

6. SS7 was first developed by _______
a) ITU
b) Ericsson
c) CCITT
d) Motorola

7. The function of _______ is to transfer and deliver signalling network.
a) MTP
b) CCS
c) ARDIS
d) CDPD

8. Signalling data functions are provided by __________
a) MTP level 1
b) MTP level 2
c) MTP level 3
d) TCAP

9. Signalling data functions are provided by __________
a) MTP level 1
b) MTP level 2
c) MTP level 3
d) TCAP

10. _________ provide procedures that transfer messages between signalling nodes.
a) MTP level 1
b) MTP level 2
c) MTP level 3
d) TCAP

11. The TCAP part in SS7 refers to ________ layer of OSI.
a) Physical
b) Network
c) Data Link
d) Application

12. Which of the following does not include in SS7 user part?
a) MTP
b) ISUP
c) TCAP
d) OMAP

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