Telecom Set1
Content
THE TEST ON TELP
Time Left=1
CIC in a SS7 message ?
Identifies a transaction Identifies the signaling connection None of the option is correct Identifies the voice circuit with which the call is associated 2M arks
(1)
(2)
Primary functionality of GMSC is ?
Store the temporary identitity of MS Store the VLR address None of the options To provide external interface with PSTN and other networks 2M arks
(3)
Which option is correct for Associated signaling ?
All of the options are correct Is uses separate paths for voice and signaling Is is preferred mode for SS7 Signaling link directly parallels associated voice trunks 2M arks
(4)
A SIP back to back user agent is capable of generating SIP requests as well as receiving SIP requests and processing them ?
True 1M
arks False Not Answer
(5)
Which protocol is used to setup and tear down voice calls ?
SCCP MTP TCAP ISUP 2M arks
(6)
Connectivity between two exchanges is by ?
None of the options Line Satellite Trunk 2M arks
(7)
Which of the option is correct for DTMF Signaling? ?
Slow digit transfer than pulsing Only 10 signals can be sent Every digit comprises of two frequencies Rotary keypad is used 2M arks
(8)
VOIP makes use of which of the following methods to transmit voice ?
Packet Switched None of the given options 2M arks
Circuit Switched Virtual Circuit Switched
(9)
Which is a drawback of PSTN ?
Analog last mile PSTN is build around 64Kbps Difficult to introduce new services All of the options are correct 2M arks
(10)
If there is an IP phone capable of sending SIP messages, what will it b e called ?
SIP Proxy Server SIP Redirect Server SIP User Agent SIP Registrar 2M arks
(11)
Interface between BSC and MSC is called as ?
A bis C A B 2M arks
(12)
GSM MS has two units, ME and SIM, this provides ?
Terminal mobility 2M arks
CLI facility Roaming Facility Call Forwarding Facility
(13)
SNR continuously _______ as we move along the channel,away from t ransmitter ?
Decreases and then increases Increases Decreases Stays constant 2M arks
(14)
LAI consist of ?
MCC+MNC MCC+MNC+LAC+CI None of the given options MCC+MNC+LAC 2M arks
(15)
In GSM which Node allocate TMSI ?
BTS/BSC AUC MSC/VLR HLR 2M arks
(16)
Which one is benefit of VOIP? ?
All of the options are correct 2M
arks Efficient usage of bandwidth Cost savings due to same network for voice and data Telephone number is associated with an IP Phone and not an location
(17)
SIP works in which layer of the IP Protocol suite ?
Layer 5 - Application Layer Layer 3 - Network Layer Layer 2 - Data Link Layer Layer 4 - Transport Layer 2M arks
(18)
IN conceptual model is organised around following components ?
Basic call processing IN service logic Hooks All of the options 2M arks
(19)
The primary function of RTCP is to provide feedback on the quality o f service being provided by RTP ?
True False Not Answer 1M arks
(20)
In SS7 Signaling, Initial Address Messgae(IAM) is used to ?
Un-Block a trunk circuit 2M arks
Block a trunk circuit Release a trunk circuit Reserve an idle trunk circuit
(21)
F in FCAPS stands for ?
None of the option is correct Fault Management Framework Flat charging 2M arks
(22)
Which of the following network elements convert the media from PST N network to media in IP network ?
Media Gateway None of the given options is correct Media Gateway Controller Signaling Gateway 2M arks
(23)
Intelligent Peripheral perform(s) following task(s) ?
Announcements All of the options are correct Voice messaging Speeh synthesizing 2M arks
(24)
Within a country, two PLMNs are differentiated using ?
MNC 2M
arks MCC LAI LAC
(25)
Which one is a Network Management(NM) protocol? ?
SMPP SMTP SNMP SCCP 2M arks
(26)
Which one of the option is correct for Common Channel Signaling(CC S) ?
Signalling is posible at any time during the call It uses a separate, dedicated path for signalling Allows better control over fraud All the options are correct 2M arks
(27)
VOIP Gateways are used for ?
to provide interworking between PSTN and VOIP Nodes None of the given options is correct to provide interworking between two PSTN Switches to provide switching function in a pure VOIP network 2M arks
(28)
In GSM which element hold the Secret Keys ?
AUC SIM HLR AUC and SIM
2M arks
(29)
Which SIP message is used to initiate a session ?
Initial Address Message Create Connection Invite Initiate 2M arks
(30)
Circuit Switching works on the principle of ... ?
All of the options are correct Establish, Transfer, Disconnect Store and Forward Establish, Disconnect,Transfer 2M arks
(31)
In Network Management(NM), Manager is ?
None of the option is correct Software that responds to client requests Software program that can query agents Person who manages the network 2M arks
(32)
IN conceptual model has how many planes ?
1 4 3 2
2M arks
(33)
Maximum cell size for GSM is ?
35 Metre 10 KM 35 KM 10 Metre 2M arks
(34)
Core Network provides following functionality ?
All of the given options Radio Resource Management Mobility Management Call Handling 3M arks
(35)
ITU-T E.164 consists of ?
CC SN All of the options NDC 2M arks
(36)
Modulation is required because of ?
Ease of Multiplexing Practical antenna size Regulatory reasons All of the given options
2M arks
(37)
Break-before-make is followed in ?
Inter Cell Handover Intra Cell Handover Hard handover Soft Handover 2M arks
(38)
Which of the following network elements convert incoming SS7 messa ges from PSTN to SIGTRAN messages in VOIP ?
Media Gateway Controller Media Gateway None of the above Signaling Gateway 2M arks
(39)
One of the objective of SCCP is ?
None of the options To provide call setup and tear down capability in SS7 network To transport non circuit related messages To provide logical signaling connections within SS7 network 2M arks
(40)
In SS7, Which Signal Unit carries user data ?
ISU LSSU FISU MSU 2M arks
(41)
Advantage of Distributed NM ?
None of the option is correct Less complcated Scaleable More intelligence on or close to managed entities 2M arks
(42)
Which protocol standardise the interface between SSP and SCP ?
ISUP MTP INAP LDAP 2M arks
(43)
PCM is a/an _____________ technique. ?
Coding Pulse Shaping Modulation Analog to Digital Conversion 2M arks
(44)
Multiplexing is used to _______ ?
Separate information for various users from a single frame Shift frequency spectrum of the baseband signal None of the options Distribute communication resources among users 2M arks
(45)
Noise gets added to the signal in ?
Modulator Channel Amplifier All of the above 2M arks
(46)
What is the major functionality of SCP? ?
To route the signaling message None of the option is correct To provide basic call processing To provide guidance to the SSP for the completion of the call 2M arks
(47)
Which one is type of NM system ?
None of the option is correct Dependent Centralised Independent 2M arks
(48)
In PSTN (using POTS phones), which of the following option is correc t for " Channel Associated Signaling" technique ?
It can be used only for signaling between the subscriber and the local exchange It can be used for end-to-end signaling None of the options It can be used only for signaling between switches 2M arks
(49)
RTP (Real Time Transport Protocol) is a text protocol ?
True False Not Answer 1M arks
(50)
Trunk interface signaling is from ?
subscriber to subscriber within network none of the given options subscriber to network 2M arks
(51)
How is it indicated to a PSTN subscriber that called party has been inf ormed about incoming call? ?
The switch sends a "ringback tone" None of the given options The switch sends him a "ringing tone" The switch applies a current on his telephone line 2M arks
Clo se
Time Left=1
CIC in a SS7 message ?
Identifies a transaction Identifies the signaling connection None of the option is correct Identifies the voice circuit with which the call is associated 2M arks
(1)
(2)
Primary functionality of GMSC is ?
Store the temporary identitity of MS Store the VLR address None of the options To provide external interface with PSTN and other networks 2M arks
(3)
Which option is correct for Associated signaling ?
All of the options are correct Is uses separate paths for voice and signaling Is is preferred mode for SS7 Signaling link directly parallels associated voice trunks 2M arks
(4)
A SIP back to back user agent is capable of generating SIP requests as well as receiving SIP requests and processing them ?
True 1M
arks False Not Answer
(5)
Which protocol is used to setup and tear down voice calls ?
SCCP MTP TCAP ISUP 2M arks
(6)
Connectivity between two exchanges is by ?
None of the options Line Satellite Trunk 2M arks
(7)
Which of the option is correct for DTMF Signaling? ?
Slow digit transfer than pulsing Only 10 signals can be sent Every digit comprises of two frequencies Rotary keypad is used 2M arks
(8)
VOIP makes use of which of the following methods to transmit voice ?
Packet Switched None of the given options 2M arks
Circuit Switched Virtual Circuit Switched
(9)
Which is a drawback of PSTN ?
Analog last mile PSTN is build around 64Kbps Difficult to introduce new services All of the options are correct 2M arks
(10)
If there is an IP phone capable of sending SIP messages, what will it b e called ?
SIP Proxy Server SIP Redirect Server SIP User Agent SIP Registrar 2M arks
(11)
Interface between BSC and MSC is called as ?
A bis C A B 2M arks
(12)
GSM MS has two units, ME and SIM, this provides ?
Terminal mobility 2M arks
CLI facility Roaming Facility Call Forwarding Facility
(13)
SNR continuously _______ as we move along the channel,away from t ransmitter ?
Decreases and then increases Increases Decreases Stays constant 2M arks
(14)
LAI consist of ?
MCC+MNC MCC+MNC+LAC+CI None of the given options MCC+MNC+LAC 2M arks
(15)
In GSM which Node allocate TMSI ?
BTS/BSC AUC MSC/VLR HLR 2M arks
(16)
Which one is benefit of VOIP? ?
All of the options are correct 2M
arks Efficient usage of bandwidth Cost savings due to same network for voice and data Telephone number is associated with an IP Phone and not an location
(17)
SIP works in which layer of the IP Protocol suite ?
Layer 5 - Application Layer Layer 3 - Network Layer Layer 2 - Data Link Layer Layer 4 - Transport Layer 2M arks
(18)
IN conceptual model is organised around following components ?
Basic call processing IN service logic Hooks All of the options 2M arks
(19)
The primary function of RTCP is to provide feedback on the quality o f service being provided by RTP ?
True False Not Answer 1M arks
(20)
In SS7 Signaling, Initial Address Messgae(IAM) is used to ?
Un-Block a trunk circuit 2M arks
Block a trunk circuit Release a trunk circuit Reserve an idle trunk circuit
(21)
F in FCAPS stands for ?
None of the option is correct Fault Management Framework Flat charging 2M arks
(22)
Which of the following network elements convert the media from PST N network to media in IP network ?
Media Gateway None of the given options is correct Media Gateway Controller Signaling Gateway 2M arks
(23)
Intelligent Peripheral perform(s) following task(s) ?
Announcements All of the options are correct Voice messaging Speeh synthesizing 2M arks
(24)
Within a country, two PLMNs are differentiated using ?
MNC 2M
arks MCC LAI LAC
(25)
Which one is a Network Management(NM) protocol? ?
SMPP SMTP SNMP SCCP 2M arks
(26)
Which one of the option is correct for Common Channel Signaling(CC S) ?
Signalling is posible at any time during the call It uses a separate, dedicated path for signalling Allows better control over fraud All the options are correct 2M arks
(27)
VOIP Gateways are used for ?
to provide interworking between PSTN and VOIP Nodes None of the given options is correct to provide interworking between two PSTN Switches to provide switching function in a pure VOIP network 2M arks
(28)
In GSM which element hold the Secret Keys ?
AUC SIM HLR AUC and SIM
2M arks
(29)
Which SIP message is used to initiate a session ?
Initial Address Message Create Connection Invite Initiate 2M arks
(30)
Circuit Switching works on the principle of ... ?
All of the options are correct Establish, Transfer, Disconnect Store and Forward Establish, Disconnect,Transfer 2M arks
(31)
In Network Management(NM), Manager is ?
None of the option is correct Software that responds to client requests Software program that can query agents Person who manages the network 2M arks
(32)
IN conceptual model has how many planes ?
1 4 3 2
2M arks
(33)
Maximum cell size for GSM is ?
35 Metre 10 KM 35 KM 10 Metre 2M arks
(34)
Core Network provides following functionality ?
All of the given options Radio Resource Management Mobility Management Call Handling 3M arks
(35)
ITU-T E.164 consists of ?
CC SN All of the options NDC 2M arks
(36)
Modulation is required because of ?
Ease of Multiplexing Practical antenna size Regulatory reasons All of the given options
2M arks
(37)
Break-before-make is followed in ?
Inter Cell Handover Intra Cell Handover Hard handover Soft Handover 2M arks
(38)
Which of the following network elements convert incoming SS7 messa ges from PSTN to SIGTRAN messages in VOIP ?
Media Gateway Controller Media Gateway None of the above Signaling Gateway 2M arks
(39)
One of the objective of SCCP is ?
None of the options To provide call setup and tear down capability in SS7 network To transport non circuit related messages To provide logical signaling connections within SS7 network 2M arks
(40)
In SS7, Which Signal Unit carries user data ?
ISU LSSU FISU MSU 2M arks
(41)
Advantage of Distributed NM ?
None of the option is correct Less complcated Scaleable More intelligence on or close to managed entities 2M arks
(42)
Which protocol standardise the interface between SSP and SCP ?
ISUP MTP INAP LDAP 2M arks
(43)
PCM is a/an _____________ technique. ?
Coding Pulse Shaping Modulation Analog to Digital Conversion 2M arks
(44)
Multiplexing is used to _______ ?
Separate information for various users from a single frame Shift frequency spectrum of the baseband signal None of the options Distribute communication resources among users 2M arks
(45)
Noise gets added to the signal in ?
Modulator Channel Amplifier All of the above 2M arks
(46)
What is the major functionality of SCP? ?
To route the signaling message None of the option is correct To provide basic call processing To provide guidance to the SSP for the completion of the call 2M arks
(47)
Which one is type of NM system ?
None of the option is correct Dependent Centralised Independent 2M arks
(48)
In PSTN (using POTS phones), which of the following option is correc t for " Channel Associated Signaling" technique ?
It can be used only for signaling between the subscriber and the local exchange It can be used for end-to-end signaling None of the options It can be used only for signaling between switches 2M arks
(49)
RTP (Real Time Transport Protocol) is a text protocol ?
True False Not Answer 1M arks
(50)
Trunk interface signaling is from ?
subscriber to subscriber within network none of the given options subscriber to network 2M arks
(51)
How is it indicated to a PSTN subscriber that called party has been inf ormed about incoming call? ?
The switch sends a "ringback tone" None of the given options The switch sends him a "ringing tone" The switch applies a current on his telephone line 2M arks
Clo se
