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