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