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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. __handles call establishment - exchange of information - routing - operations - billing - and support for IN services
SS7
Link Management
TUP
ISUP
2. Interconnects between signaling endpoints and STPs
D link
SCCP
A Link
SMH
3. SS7 occurs when the same transmission channel carries the bearer's information and the signaling information.
Visitor Location Register (VLR)
D link
fully associated
SS7
4. Is a circuit-based protocol used to establish and maintain connections for voice and data calls.
routesets
fully associated
ISUP
LRN
5. Signaling uses a separate logical path for signaling through the minimal number of transfer points to reach the final destination
SNM
Quasi-associated signaling
TCAP
SCCP
6. Is used to complete the call at the terminating SSP
dialed party number
routesets
800 databases
Quasi-associated signaling
7. How may layers does the SS7 protocal stack have
C link
Message Transfer Part (MTP) L1 - L2 - and L3
4 layers
queries
8. Availability of signaling in the SS7 network is critical to connect and serve telephone network users.
D link
queries
Signaling Link Performance
SS7
9. Network provides the intelligence to the existing PSTN
linksets
SCCP
SS7
Quasi-associated signaling
10. Provides the 10-digit LRN of the switch that serves the dialed-party number
LNPDB
International STPs
MTP L2
X.25
11. Are used to directly interconnect two signaling endpoints
STP
Nonassociated signaling
F-links
redundancy
12. TCAP typically uses ___ services to access databases in the SS7 network.
C link
E-links
Visitor Location Register (VLR)
SCCP
13. Global title translation centralizes the selection of the correct database by enabling __ to be addressed directly to the STP.
queries
Visitor Location Register (VLR)
Associated signaling
SCP
14. 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
Gateway STPs
4 layers
Message Transfer Part (MTP) L1 - L2 - and L3
LRN
15. The signaling and voice paths are directly connected between the two signaling endpoints.
Gateway STPs
SCP
Associated signaling
SMH - SNM
16. __are end office or tandem switches that connect voice circuits and perform the necessary signaling functions to originate and terminate calls.
MTP L2
logically
Visitor Location Register (VLR)
SSP
17. Provides the routing information for special numbers - such as 800 - 877 - 888 - 900 - and 976 numbers.
800 databases
X.25
SS7
Visitor Location Register (VLR)
18. The interface between the SCP and the database system is accomplished by a standard protocol - which is typically
fully associated
SCP
X.25
redundancy
19. Used in cellular networks to store information on subscribers roaming outside the home network.
queries
Link Management
Visitor Location Register (VLR)
ISUP
20. Interconnect an STP with its mate.
TUP
C link
Message Transfer Part (MTP) L1 - L2 - and L3
D link
21. Signaling links are grouped together into __when the links are connected to the same endpoint.
Nonassociated signaling
SCCP
800 databases
linksets
22. Used to reroute or divert traffic and control congestion during network failure conditions.
SMH
B link
E-links
Traffic Management
23. Routes SS7 messages during normal conditions.
SNM
point code
SMH
SCP
24. Provides subscriber or user information such as screening and barring - calling-card services including card validation and personal identification number (PIN) - authentication - and billing.
X.25
TCAP
LIDB
TCAP
25. 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.
MTP L2
ISUP
SCP
ISUP
26. Are used to interconnect an SSP to an alternate STP
International STPs
Quasi-associated signaling
Route Management
E-links
27. Are used to interconnect mated STP pairs of one hierarchical level
D link
SCCP
X.25
E-links
28. Is used to route the call through the network
LRN
routesets
C link
Quasi-associated signaling
29. Uses SCCP and MTP to route transaction messages in the SS7 network
Route Management
SNM
TCAP
Quasi-associated signaling
30. Provides end-to-end addressing and routing for L4 protocols such as transaction capabilities application part (TCAP).
SCP
SCCP
TCAP
ISUP
31. The MTP3 protocol is divided into two main functions
Associated signaling
SCCP
queries
SMH - SNM
32. __routes all the signaling messages in the SS7 network
SS7
International STPs
STP
Signaling Routes
33. 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.
SCCP
SNM
TCAP
ISUP
34. Physical and electrical characteristics of the signaling link. T1 - DS-0 - E1 - V.35
800 databases
MTP L1
B link
A Link
35. Uses a separate logical path for signaling and voice.is the most common form of signaling in the SS7 network
ISUP
TCAP
SS7
Nonassociated signaling
36. Supports physical circuit connections but is unable to handle the virtual connections and bearer circuits used in today's digital networks
Traffic Management
redundancy
TUP
SS7
37. Monitors and controls the individual links of the signaling endpoint.
SMH - SNM
Link Management
LIDB
TUP
38. Exchanges routing information and status between signaling endpoints.
Route Management
SCCP
F-links
SMH
39. __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.
ISUP
LIDB
SCCP
dialed party number
40. Provides the transaction capabilities carried out by non-circuit based messages used to access remote databases and invoke remote feature capabilities in network elements.
800 databases
TCAP
MTP L1
SCP
41. All signaling elements are identified by a numerical __ __ - which acts as a routing address in SS7
4 layers
SCP
point code
SSP
42. Provide international connectivity where the same International Telecommunication Union (ITU) standards are deployed in both networks.
Quasi-associated signaling
International STPs
SS7
800 databases
43. The key element for delivering IN applications on the telephony network
SS7
TCAP
SCP
Traffic Management
44. 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
International STPs
X.25
Message Transfer Part (MTP) L1 - L2 - and L3
ISUP
45. For SS7 the signaling planes and the voice circuit planes are __separated.
SCP
logically
fully associated
Signaling Routes
46. Routing tables to provide alternate routes when the current route is unavailable.
Message Transfer Part (MTP) L1 - L2 - and L3
LNPDB
Gateway STPs
routesets
47. Provides access to remote databases for routing information and enables features in remote network entities
SSP
TCAP
SCP
Message Transfer Part (MTP) L1 - L2 - and L3
48. Interconnects between two mated pairs of STPs
fully associated
logically
redundancy
B link
49. What is the SS7 network architecture built for
redundancy
LIDB
B link
Message Transfer Part (MTP) L1 - L2 - and L3
50. Have statically predefined routes for destination endpoints - The route is made up of linksets; linksets can be part of more than one route
Message Transfer Part (MTP) L1 - L2 - and L3
Signaling Routes
ISUP
queries