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