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Test your basic knowledge |
CCNA Voice
Start Test
Study First
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. 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
Message Transfer Part (MTP) L1 - L2 - and L3
SMH
dialed party number
Nonassociated signaling
2. __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.
C link
TCAP
ISUP
Signaling Routes
3. All signaling elements are identified by a numerical __ __ - which acts as a routing address in SS7
800 databases
queries
SS7
point code
4. Routes SS7 messages during normal conditions.
SCCP
SMH
B link
A Link
5. Is used to complete the call at the terminating SSP
dialed party number
TCAP
C link
TUP
6. Provides the 10-digit LRN of the switch that serves the dialed-party number
LNPDB
SMH
fully associated
Traffic Management
7. Signaling uses a separate logical path for signaling through the minimal number of transfer points to reach the final destination
SNM
SCCP
Quasi-associated signaling
Traffic Management
8. Physical and electrical characteristics of the signaling link. T1 - DS-0 - E1 - V.35
TCAP
MTP L1
Traffic Management
LIDB
9. __are end office or tandem switches that connect voice circuits and perform the necessary signaling functions to originate and terminate calls.
SSP
SCCP
MTP L2
X.25
10. Network provides the intelligence to the existing PSTN
SS7
LNPDB
F-links
MTP L1
11. Provides the transaction capabilities carried out by non-circuit based messages used to access remote databases and invoke remote feature capabilities in network elements.
Signaling Link Performance
TCAP
B link
4 layers
12. The key element for delivering IN applications on the telephony network
LNPDB
SSP
E-links
SCP
13. Availability of signaling in the SS7 network is critical to connect and serve telephone network users.
STP
LRN
Signaling Link Performance
queries
14. Are used to directly interconnect two signaling endpoints
Route Management
Home Location Register (HLR)
F-links
linksets
15. TCAP typically uses ___ services to access databases in the SS7 network.
Link Management
SCCP
International STPs
Traffic Management
16. Routing tables to provide alternate routes when the current route is unavailable.
fully associated
routesets
Route Management
LRN
17. Have statically predefined routes for destination endpoints - The route is made up of linksets; linksets can be part of more than one route
Associated signaling
Signaling Routes
routesets
TUP
18. Uses a separate logical path for signaling and voice.is the most common form of signaling in the SS7 network
SCCP
Signaling Link Performance
routesets
Nonassociated signaling
19. Interconnect an STP with its mate.
linksets
Nonassociated signaling
C link
MTP L2
20. Interconnects between two mated pairs of STPs
Signaling Link Performance
B link
routesets
fully associated
21. Exchanges routing information and status between signaling endpoints.
logically
Route Management
X.25
Quasi-associated signaling
22. Used in cellular networks to store information such as current cellular phone location - billing - and cellular subscriber information.
B link
Home Location Register (HLR)
Message Transfer Part (MTP) L1 - L2 - and L3
Visitor Location Register (VLR)
23. Are used to interconnect an SSP to an alternate STP
D link
fully associated
SCCP
E-links
24. Global title translation centralizes the selection of the correct database by enabling __ to be addressed directly to the STP.
SS7
Home Location Register (HLR)
4 layers
queries
25. Used to reroute or divert traffic and control congestion during network failure conditions.
Traffic Management
SS7
X.25
MTP L1
26. SS7 occurs when the same transmission channel carries the bearer's information and the signaling information.
Visitor Location Register (VLR)
SS7
Message Transfer Part (MTP) L1 - L2 - and L3
fully associated
27. The signaling and voice paths are directly connected between the two signaling endpoints.
Associated signaling
SS7
TCAP
SSP
28. 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
Traffic Management
Gateway STPs
Signaling Link Performance
SMH
29. 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.
STP
SNM
SS7
E-links
30. Signaling links are grouped together into __when the links are connected to the same endpoint.
Signaling Routes
SS7
linksets
SNM
31. __routes all the signaling messages in the SS7 network
SS7
STP
SMH - SNM
Nonassociated signaling
32. Are used to interconnect mated STP pairs of one hierarchical level
MTP L2
SS7
D link
dialed party number
33. Is used to route the call through the network
LRN
E-links
F-links
Associated signaling
34. For SS7 the signaling planes and the voice circuit planes are __separated.
Route Management
dialed party number
LRN
logically
35. __handles call establishment - exchange of information - routing - operations - billing - and support for IN services
Quasi-associated signaling
X.25
LIDB
SS7
36. Used in cellular networks to store information on subscribers roaming outside the home network.
C link
routesets
X.25
Visitor Location Register (VLR)
37. How may layers does the SS7 protocal stack have
C link
TCAP
routesets
4 layers
38. Provides access to remote databases for routing information and enables features in remote network entities
B link
Route Management
TCAP
queries
39. The interface between the SCP and the database system is accomplished by a standard protocol - which is typically
SCCP
Quasi-associated signaling
X.25
SCP
40. Provide international connectivity where the same International Telecommunication Union (ITU) standards are deployed in both networks.
Home Location Register (HLR)
B link
point code
International STPs
41. Provides access to databases for additional routing information used in call processing. (who the call goes to)
STP
SMH
SCP
TCAP
42. __performs out-of-band signaling in the Public Switched Telephone Network (PSTN).
SS7
TCAP
queries
4 layers
43. Monitors and controls the individual links of the signaling endpoint.
SS7
LNPDB
Link Management
SMH
44. Is a circuit-based protocol used to establish and maintain connections for voice and data calls.
ISUP
STP
LNPDB
SS7
45. What is the SS7 network architecture built for
Quasi-associated signaling
redundancy
STP
MTP L1
46. 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.
fully associated
Link Management
MTP L2
routesets
47. Interconnects between signaling endpoints and STPs
A Link
D link
Message Transfer Part (MTP) L1 - L2 - and L3
TCAP
48. Uses SCCP and MTP to route transaction messages in the SS7 network
logically
TCAP
D link
Nonassociated signaling
49. The MTP3 protocol is divided into two main functions
linksets
SMH - SNM
A Link
Traffic Management
50. Provides the routing information for special numbers - such as 800 - 877 - 888 - 900 - and 976 numbers.
MTP L2
800 databases
linksets
SS7