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