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