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LDCE Wireline > ISDN, CENTREX, EPBAX, SIP SERVICES, Partner mgmt > Flashcards

ISDN, CENTREX, EPBAX, SIP SERVICES, Partner mgmt Flashcards

1
Q

For Centrex facility, the limit for members to join into the same Centrex group is
1) 100
2) 1000
3) 10,000
3) there is no limit

A

there is no limit.
IP Centrex group may have 10000 members in a group.

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2
Q

BSNL offers consolidated billing, payment and discount, under the ____ scheme to the groups or
organizations covered under the Centrex
1) BSNL Group Account Holders Scheme
2) Corporate Account Holders Scheme
3) Corporate Group Account Holders Scheme
4) Centrex Account Holders Scheme

A

Corporate Account Holders Scheme

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3
Q

The registration amount, initial Deposit, monthly rental and installation charges etc under Centrex shall be _______
1) same as normal Telephone
connection.
2) more than normal Telephone
connection.

A

same as normal Telephone
connection.

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4
Q

Choose the one(s) who cannot be part of Centrex group
1) PCO holders
2) ISP Dial in numbers
3) only incoming number
4) all

A

all
Also public Services like, call Centers, enquiry numbers, paging service numbers, franchises shall not be part of the Centrex Group.
Sulabh connection can be part of group (on request) but cannot be master of the IP Centrex group.

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5
Q

The free Centrex facility will be
extended to Shopping malls with well defined boundaries with minimum _____
1) 5 users
2) 10 users
3) 20 users

A

10 users

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6
Q

The Free Centrex facility shall be for the Cooperative Group Housing Society/Resident Welfare Associations and DDA having clearly defined boundaries with maximum ____
dwelling units
1) 100
2) 250
3) 500

A

500
Above 500 dwelling units the case will be considered by the concerned
CGMs on case to case basis

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7
Q

For Centrex telephone A special dial tone which is _________ is provided
1) different from the normal dial tone
2) same as the normal dial tone

A

different from the normal dial tone

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8
Q

In centrex dial ______ for outgoing call
1) 0
2) 9

A

9

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9
Q

Rent free incoming connection is provided based on size of Centrex group

A

T
Rent free incoming connection can call to other Centrex numbers

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10
Q

Centrex numbers provisioning is done in
1)IP Centrex server
2) IMS Core
3) EWSD/5ESS switches
4) all

A

all

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11
Q

A special access code for Centrex mobile subscriber is
1) 1234
2) 1248
3) 1286

A

1286
Mobile customer should prefix 1286 + Short Code (3 to 5 digits) for calling others in the same group

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12
Q

Mobile customer should prefix _____ + Short Code (3 to 5 digits) for calling others in the same group
1) 1234
2) 1248
3) 1286

A

1286

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13
Q

If a BSNL mobile subscriber roams to other operator’s network, she ___ (can/cannot) use the Centrex service.

A

cannot

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14
Q

An IP Centrex group can have
1) BSNL mobile numbers (Prepaid & Postpaid)
2) Landline phones of NGN, EWSD & 5ESS exchanges only

A

both

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15
Q

Number Presentation/CLIP of intra-CENTREX call is the ____
1) short number
2) full number

A

short number

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16
Q

IP Centrex has no limitation of Zone/Circle. It is PAN India Service.

A

T

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17
Q

Rental for Centrex will be based on
1) number of connections within the group
2) category of Centrex
3) both
4) rent free for all

A

both

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18
Q

IP Centrex will be offered on ____ rental basis to the customers
1) fixed
2) variable

A

fixed

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19
Q

Plan/rental billing would be applied on
1) individual subscriber
2) Centrex master number

A

individual subscriber. but in case of default, billing to be borne by master number.
Even if some of subscribers move out of group, the slab will not change.

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20
Q

There ____ GP1&GP2 for IP Centrex services
1) will be
2) will not be any

A

will not be any

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21
Q

BSNL provides Internet Telephony (VOIP) Service with brand name “ ____” to the customers.
1) Centrex
2) WINGS

A

WINGS

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22
Q

in IP-Centrex, call made by full number dialing instead of short dialing will be charges as per ________
1) existing landline or mobile plan
2) centrex plan

A

existing landline or mobile plan.
Dialing with the long number is recognized as off-net call, even if the caller and callee are Centrex users and in the same group.

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23
Q

Sulabh connection ______ (can/cannot) be part of IP Centrex group.

A

Sulabh connection can be part of group (on request) but cannot be master of the IP Centrex group.

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24
Q

Customer can request for short code starting with_______
1) 0
2) 1
3) 5
4) 9

A

5
Customer can request for any short ode range except starting with 0 ,1 and 9

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25
Q

Minimum limit of members in a group of Centrex would be____
1) 2
2) 5
3) 10
4) 20

A

5

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26
Q

IP Centrex group may have maximum ____members in a group normally.
1) 1000
2) 5000
3) 10,000
4) no limit

A

10,000.
for more than 10000, NCNGN Circle may be contacted through EB Cell/Circle.

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27
Q

Public Wi-Fi Providers/ Partners (PWPs)
1) can deploy the Access Points APs both Indoor and Outdoor (including RAPs with mesh APs)
2) BSNL Reserves the right to broadcast its own SSID Other than captive traffic
3) Internet shall be unlimited.

A

all of them

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28
Q

The required bandwidth for provisioning of bulk user plans shall be bundled with the various plans. Beyond this bandwidth, incremental BW charges shall be applicable for which BSNL will
1) raise separate invoice to the bulk
customers.
2) include in the existing invoice

A

raise separate invoice to the bulk
customers.

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29
Q

Access Points (APs) shall be integrated with OEM’s WLC and create CAP/WAP tunnel as per standard CAP/WAP protocol. This is the responsibility of
1) Public WiFi Partner (PWP)
2) BSNL

A

Public WiFi Partner (PWP)
(BSNL shall be responsible for integration of WLC/EMS with BSNL Core)

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30
Q

Existing FTTH Franchisee with good record of providing FTTH connections/BSNL service shall be eligible to become Public Wi-Fi Partners (PWP)

A

T

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31
Q

PWP revenue share
1-4 AP: 25%
5-10: 28%
>10: 30%

A

T

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32
Q

Network/System Integrator should be an IT/Networking sector company in case of National and Circle SIs.
And for Circle-Silver SI it may be an individual or proprietorship/partnership concern.

A

T
The Network/ System Integrator should be ISO 9001:2008 or higher certified for services.

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33
Q

Once a SI is empanelled in National Category in any of the Circle, it can get empanelled in any other Circle with _______
1) a bank guarantee
2) a consent letter

A

a consent letter

34
Q

NTR Circle would be treated as a Circle with its geographical territory as NCT, Delhi for the purpose of SI empanelment and delivery of service.

A

T

35
Q

For National Level empanelment of PABX service. the applicant _________ a Licensed Telecom Service Provider for any of the Telecom Services in India.
1) Shall not be
2) may be

A

Shall not be

36
Q

for PABX service, customer registering directly with BSNL, shall be allocated between the different franchisees in a round-robin manner

A

T

37
Q

Bulk SMS solution includes
1) Real-time Push SMS Solution
2) Two-way SMS solution
3) Bulk Campaign Messaging

A

all of them
In addition to the these, add-on services such as Missed Call Alert Solution, Interactive SMS solution etc, needs to be provided as desired by The Financial organization.

38
Q

For bulk SMS solution SI
1) should be able to establish connections
simultaneously to multiple SMSC ports
2) should have load balancing & autofailover features
3) should be able to identify Priority
Messages received with Priority flags

A

the solution should be able to support upto 500 TPS (Transactions per second) per port and a combined support of 2000 TPS.
Based upon the priority of the SMS, such
SMSes are to be pushed to appropriate BSNL’s SMSC Ports/Accounts.

39
Q

In bulk SMS solution, It will be the responsibility of the _______ to pull the SMS from customers’ servers and to push them to BSNL SMSC with an average delay of only 2 to 3 seconds.
1) BSNL
2) System Integrator

A

System Integrator
The maximum delay should not exceed 5 Seconds failing which may attract penalty to the System Integrator.

40
Q

In bulk SMS solution, SMPP protocol stands for

A

Short Message Peer-to-Peer protocol

41
Q

In bulk SMS solution, the maximum allowed delay o pull the SMS from customers’ servers and to push them to BSNL SMSC is
1) 3 sec
2) 5 sec
3) 7 sec
4) 10 sec

A

5 sec
failing which may attract a penalty to the System Integrator.

42
Q

_______ will be responsible to take care of the SMPP connectivity from SI’s Server to SMSC as well as Customer’s Server.
1) BSNL
2) System Integrator (SI)

A

System Integrator

43
Q

As per TCCCPR regulations, for Promotional SMS, the System Integrator should be connected to dedicated SMSC Port allotted for Promotional
SMS for DND Scrubbing.

A

T
First level DND Scrubbing should be done by the System Integrator before pushing the messages to Promotional SMS Port at BSNL SMSC
TCCCPR: Telecom Commercial Communication Customer Preference Regulation

44
Q

For Promotional SMS, first level DND Scrubbing should be done by the
1) BSNL
2) System Integrator (SI)

A

System Integrator (SI)

45
Q

System Integrator shall provide necessary Two-Way SMS solution for The Financial organization’s requirement such as Mobile Banking,
Interactive SMS etc., using the existing/new long code provided by BSNL/The Financial organization

A

If desired, BSNL may request the selected System Integrator to arrange long code from Other Operator at extra cost (if any).

46
Q

BSNL may request the selected System Integrator to arrange long code from Other Operator at extra cost (if any) for Two-Way SMS solution for Mobile Banking, Interactive SMS etc

A

T

47
Q

w.r.t partner mgmt., TIP stands for

A

Telecom Infrastructure Providers

48
Q

In ISDN, UUSI stands for

A

User to User Signaling

49
Q

ISDN services
1) G4 FAX
2) UUSI
3) ATM
4) PVC

A

all of them
UUSI: User to User Signaling
ATM: Asynchronous Transfer Mode
PVC: Permanent Virtual Circuit

50
Q

ISDN basic rate access (BRA) is
1) B+D
2) 2B+D
3) 2B+2D
4) B+2D

A

2B+D
B: 64kbps for Speech and Data
D: 16kbps for Signaling

51
Q

ISDN primary rate access (PRA) is
1) B+D
2) 30B+D
3) 30B+2D
4) B+2D

A

30B+D
B: 64 Kbps for speech and data.
D: 64kbps for Signaling
(both 64kbps)

52
Q

In ISDN, BRA and PRA stand for

A

BRA: Basic Rate Access
PRA: Primary Rate Access

53
Q

BSNL 3G voice service also come under the category of Enterprise Voice service
T/F

A

T

54
Q

BSNL is providing VPNoBB for
1) General EB customers
2) e- Governance projects

A

both
for bandwidth 256 kbps to 24 Mbps
VPNoBB: VPN over Broadband

55
Q

In enterprise business, IPLC stands for

A

International Private Leased Lines

56
Q

BSNL has launched Global Audio conferencing
Service in association with
1) AT&T
2) British Telecom (BT)

A

British Telecom (BT)

57
Q

In Web Colocation, BSNL provides one IP Address per site on request

A

T

58
Q

BSNL Managed Public Room video Collaboration Service is known as _____

A

v-Sangoshti
v-Sangoshti studios are 24x7 available video collaboration rooms that are connected to multiple such public rooms nationally

59
Q

ISDN services are categorized into
1) bearer services
2) teleservices
3) supplementary services

A

All of them

60
Q

This ISDN service operates on OSI layer 1 to layer 3
1) bearer services
2) teleservices
3) supplementary services

A

bearer services

61
Q

This ISDN service operates on OSI layer 4 to layer 7
1) bearer services
2) teleservices
3) supplementary services

A

Teleservices in which network change the information contents

62
Q

This ISDN service is used for call waiting, message handling and reverse charging
1) bearer services
2) teleservices
3) supplementary services

A

supplementary services

63
Q

ISDN line coding
1) 1B1Q
2) 1B2Q
3) 2B1Q
4) 2B2Q

A

2B1Q

64
Q

ISDN is based on the concept of
a) SS7
b) CCS
c) ARDIS
d) CDPD

A

CCS

65
Q

Signalling component that supports traffic between the end-user and network is called
a) Network signalling
b) Digital subscriber signalling
c) Access signalling
d) Subscriber system signalling

A

Access signalling

66
Q

Access signalling is governed by the SS7 suite of protocols.
a) True
b) False

A

False

67
Q

Information bearing channels in ISDN are called
a) D channels
b) Data channels
c) B channels
d) Voice channels

A

B channels

68
Q

Which of the following is based on ATM technology?
a) SS7
b) CCS
c) ARDIS
d) B-lSDN

A

B-lSDN

69
Q

Which of the following is true for ATM?
a) Circuit switched
b) Multiple access technique
c) Multiplexing technique
d) Handle only voice users

A

Multiplexing technique

70
Q
  1. ATM supports unidirectional transfer of data.
    a) True
    b) False
A

False
ATM supports bidirectional transfer of data packets of fixed length between two end points. It preserves the order of transmission.

71
Q

The data unit of ATM is
a) cell
b) Atom
c) Molecule
d) Packet

A

cell

72
Q

The first generation of ISDN is called as a narrowband ISDN which has a …………… orientation.
A) circuit switching
B) datagram packet switching
C) message switching
D) virtual circuit packet switching

A

circuit switching

73
Q

The main important technical contribution of B-ISDN is the ……
A) SMDS
B) Frame relay
C) X.25
D) ATM

A

ATM

74
Q

The main important technical contribution of narrowband ISDN is
A) SMDS
B) Frame relay
C) X.25
D) ATM

A

Frame relay

75
Q

The ISDN is governed by recommendations from ITU-T which are called as …………. of recommendations.
A) T-series
B) U-series
C) I-series
D) D-series

A

I-series

76
Q

The …………….. connects a large number of ISDN subscriber loop signals to the digital network.
A) Digital Networking office
B) Digital Central Office
C) Integrated Network Office
D) Digital Service Office

A

Digital Central Office

77
Q

The message format for ISDN can be classified into which of the following groups(s).
A) Call establishment message
B) Call control message
C) Call disconnect message
D) All of the above

A

All of the above

78
Q

Which of the following is/are the types of ISDN channels.
i) A channel ii) B channel iii) D channel iv) H channel
A) i, ii and iii only
B) ii, iii and iv only
C) i, iii and iv only
D) All i, ii, iii and iv

A

ii, iii and iv only
B: Bearer
D: Data
H: Hybrid

79
Q

An ISDN address is ___________ digits long.
10
40
55
none of the above

A

40

80
Q

An ISDN address can define up to
A. 10
B. 100
c. 1000
D. none of the above countries.

A

100

81
Q

An ISDN address uses ___ decimal digits to define a subscriber.
1) 3
2) 9
3) 10
4) 20

A

10

82
Q

An ISDN address uses _____ decimal digits to define a subaddress.
A. 30
B. 40
c. 20
D. none of the above

A

40

LDCE Wireline (5 decks)

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