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