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CCNA Voice

Subjects : cisco, it-skills, ccna
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Is used to route the call through the network






2. Is used to complete the call at the terminating SSP






3. Availability of signaling in the SS7 network is critical to connect and serve telephone network users.






4. TCAP typically uses ___ services to access databases in the SS7 network.






5. Protocol conversion from national versions to the ITU standard - Network-to-network interconnection points - Network security features such as screening - which is used to examine all incoming and outgoing messages to ensure authorization






6. Provides end-to-end addressing and routing for L4 protocols such as transaction capabilities application part (TCAP).






7. __routes all the signaling messages in the SS7 network






8. Used in cellular networks to store information on subscribers roaming outside the home network.






9. Monitors and controls the individual links of the signaling endpoint.






10. Are used to interconnect an SSP to an alternate STP






11. Process handles the rerouting of traffic through alternate links or linksets during network link failures - also controls the flow of traffic to specific endpoints during network link failures.






12. Exchanges routing information and status between signaling endpoints.






13. __handles call establishment - exchange of information - routing - operations - billing - and support for IN services






14. Network provides the intelligence to the existing PSTN






15. Provides the 10-digit LRN of the switch that serves the dialed-party number






16. Provides access to remote databases for routing information and enables features in remote network entities






17. All signaling elements are identified by a numerical __ __ - which acts as a routing address in SS7






18. Have statically predefined routes for destination endpoints - The route is made up of linksets; linksets can be part of more than one route






19. SS7 occurs when the same transmission channel carries the bearer's information and the signaling information.






20. The interface between the SCP and the database system is accomplished by a standard protocol - which is typically






21. Physical and electrical characteristics of the signaling link. T1 - DS-0 - E1 - V.35






22. Provides access to databases for additional routing information used in call processing. (who the call goes to)






23. The signaling and voice paths are directly connected between the two signaling endpoints.






24. Signaling uses a separate logical path for signaling through the minimal number of transfer points to reach the final destination






25. Global title translation centralizes the selection of the correct database by enabling __ to be addressed directly to the STP.






26. Interconnects between signaling endpoints and STPs






27. The MTP3 protocol is divided into two main functions






28. Protocol is used to create reliable point-to-point links between endpoints in a network - perform error detection - indicate link status - and transfer information messages.






29. The key element for delivering IN applications on the telephony network






30. __sets up and tears down the circuits used to connect PSTN voice and data subscribers - connects - manages - and disconnects all voice and data calls in the PSTN.






31. Uses a separate logical path for signaling and voice.is the most common form of signaling in the SS7 network






32. Signaling links are grouped together into __when the links are connected to the same endpoint.






33. L1 - L2 - and L3 provide the transport protocols for all other SS7 protocols - includes network interface specifications - reliable transfer of information - and message handling and routing






34. What is the SS7 network architecture built for






35. For SS7 the signaling planes and the voice circuit planes are __separated.






36. Interconnects between two mated pairs of STPs






37. Are used to directly interconnect two signaling endpoints






38. Are used to interconnect mated STP pairs of one hierarchical level






39. Provides the routing information for special numbers - such as 800 - 877 - 888 - 900 - and 976 numbers.






40. __performs out-of-band signaling in the Public Switched Telephone Network (PSTN).






41. Routes SS7 messages during normal conditions.






42. Used to reroute or divert traffic and control congestion during network failure conditions.






43. Provide international connectivity where the same International Telecommunication Union (ITU) standards are deployed in both networks.






44. Is a circuit-based protocol used to establish and maintain connections for voice and data calls.






45. __are end office or tandem switches that connect voice circuits and perform the necessary signaling functions to originate and terminate calls.






46. Uses SCCP and MTP to route transaction messages in the SS7 network






47. Used in cellular networks to store information such as current cellular phone location - billing - and cellular subscriber information.






48. Provides subscriber or user information such as screening and barring - calling-card services including card validation and personal identification number (PIN) - authentication - and billing.






49. Provides the transaction capabilities carried out by non-circuit based messages used to access remote databases and invoke remote feature capabilities in network elements.






50. How may layers does the SS7 protocal stack have







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