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