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