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