NGN Architecture & protocols Flashcards
NGN feature(s)
1) common transport network
2) Vendor independence
3) circuit-based network
1 and 2
but packet-based network
NGN is
1) packet-based network
2) circuit-based network
3) both
packet-based network
In NGN service-related functions are ________ of the underlying transport-related technologies
1) dependent
2) independent
independent
______ supports generalized mobility without SIM
1) UMTS
2) NGN
NGN
Usr can register _____ device(s) at a time in NGN registrar servers
1) one
2) more than one
more than one
NGN access layer consists of
1) Routers
2) Gateways
Gateways.
Example of getaways are media Gateway, Access gateway. Signalling gateway
Entity nearer to subscriber
1) Router
2) Access gateway
Access gateway
Transport Layer of NGN
1) based on IP
2) can utilize the advantage of MPLS
3) both
both
________ is responsible for carrying traffic originated by access layer
1) access layer
2) transport layer
3) control layer
4) application layer
transport layer
____ can utilize the advantage of MPLS
1) access layer
2) transport layer
3) control layer
4) application layer
transport layer
It is basically an assembly
of routers connected with optical network.
1) access layer
2) transport layer
3) control layer
4) application layer
transport layer
It makes use of band width policies and Qos policies
1) access layer
2) transport layer
3) control layer
4) application layer
transport layer
It is responsible of call setup, routing and charging policies
1) access layer
2) transport layer
3) control layer
4) application layer
control layer
It consists of call servers where all information of the network
resides
1) access layer
2) transport layer
3) control layer
4) application layer
control layer
responsible for setting up, modifying, charging and tear down of the calls
1) access layer
2) transport layer
3) control layer
4) application layer
control layer
NGN may work on soft switch principle. It uses _______ as an overall controller
1) MG
2) MGC
MGC (Media Gateway Controller)
NGN may work on soft switch principle. It uses _______ for termination of traffic
1) MG
2) MGC
MG (Media Gateway)
It is responsible for OSS/BSS
1) access layer
2) transport layer
3) control layer
4) application layer
application layer
___ is responsible for direct subscriber attachment function
1) access layer
2) transport layer
3) control layer
4) application layer
access layer
_________ is responsible for packetisation of media under the instruction of control layer
1) access layer
2) transport layer
3) control layer
4) application layer
access layer
access layer is responsible for packetisation of media under the instruction of ________
1) access layer
2) transport layer
3) control layer
4) application layer
control layer
All the required configuration of subscribers should be done at ____
1) access layer
2) transport layer
3) control layer
4) application layer
control layer
Choose correct item(s) for NGN
1) centralised call control
2) dedicated network for providing voice services
3) working on packet switching
4) excellent quality of voice as compared to PSTN
1 and 3
PSTN call quality is better as compared to NGN
________ is the 1st step towards NGN
1) IMS project
2) IP Tax Project
IP Tax Project
- is a class4 NGN implementation.
- equipment by M/s ZTE.
conference call is supported by _________ in IPTAX
1) Media gateway
2) Soft switch
3) signaling gateways
Media gateway
_______ holds the ultimate
responsibility of defining what resources are to be allocated for a particular call
1) MGC
2) MGW
3) MGE
MGC (Media Gateway Controller)
____ maintains a state table for all resources within the MGs in its zone
1) MGC
2) MGW
3) MGE
MGC (Media Gateway Controller)
the call handling is performed at
1) MG
2) MGC
MGC (Media Gateway Controller)
_____ should be capable of providing
conversions between SS7 addresses (point codes) and IP addresses
1) MG
2) AG
3) SG
SG (Signalling gateway)
IP-TAX components
1) Media Gateway
2) Softswitch (Media gateway controller)
3) Signaling gateway
4) Announcement server
5) All
All
Announcement server is ________ the IP domain
1) within
2) outside
within
In exchanges, BHCA stands for
Busy-hour call attempts
Digital Signal 0 (DS0) is a basic digital signaling rate of _____
1) 16kbit/s
1) 32kbit/s
1) 64kbit/s
1) 1024kbit/s
64kbit/s
Soft switch Control: ZXSS10 SS1b Billing records are stored at _____ levels
1) 1
2) 2
3) 3
4) 4
3 levels
Soft switch Control: ZXSS10 SS1b Maximum capacity of trunk is
1) 100,000 DS0/shelf
2) 200,000 DS0/shelf
3) 400,000 DS0/shelf
4) 800,000 DS0/shelf
200,000 DS0/shelf
ZTE Soft switch can support maximum load of traffic ______ without extension
1) 1M BHCA/shelf
2) 2M BHCA/shelf
3) 3M BHCA/shelf
4) 4M BHCA/shelf
2M BHCA/shelf
ZTE Soft switch can support maximum load of traffic ______ with extension
1) 4M BHCA/shelf
2) 8M BHCA/shelf
3) 16M BHCA/shelf
4) 32M BHCA/shelf
16M BHCA/shelf
(max shelf is 8 and 2M BHCA/shelf)
ZTE Soft switch can support maximum shelf
1) 2 shelf
2) 4 shelf
3) 8 shelf
4) 16 shelf
8 shelf
ZTE ZXMSG 9000 can provide the functions of _____ through different board and software configurations
1) TG
2) SG
3) AG
4) All
All
Trunk Media Gateway: ZXMSG 9000 supports ________ E1 as Trunk Gateway
1) 3200
2) 4800
3) 5600
4) 6400
5,600
Trunk Media Gateway: ZXMSG 9000 can be configured as announcement server
T/F
T
The architecture of network management system is divided into typical 3 layers. write expansions
1) NEL
2) EML
3) NML
Network Element Layer (NEL),
Element Management Layer (EML)
Network Management Layer (NML)
NGN NOC location
1) Chennai
2) Hyderabad
3) Delhi
4) bangalore
Chennai
NGN NOC DR (Disaster Recovery) location
1) Chennai
2) Hyderabad
3) Delhi
4) bangalore
Delhi
Class 5 implementation of Access equipment BSNL has adopted two different approaches
1) Soft Switch based
2) _________
IMS based
M/s Huawei with additional capacity tender given to M/s UTSTARCOM
Class 5 implementation of Access equipment BSNL has adopted two different approaches
1) ____________
2) IMS based
Soft Switch based
tender to M/s CDOT
Class 5 implementation of Access equipment ‘Soft Switch based’ system tender given to
1) M/s CDOT
2) M/s Huawei
3) M/s UTSTARCOM
M/s CDOT
Class 5 implementation of Access equipment ‘IMS based’ system tender given to
1) M/s CDOT
2) M/s Huawei
3) M/s UTSTARCOM
M/s Huawei with additional capacity tender given to M/s UTSTARCOM
CDOT MAX NG Core Locations for north zone
1) Gurgaon, Chandigarh (DR)
2) Gurgaon, Delhi (DR)
3) Chandigarh, Delhi (DR)
4) Lucknow , Delhi (DR)
Gurgaon, Chandigarh (DR)
CDOT MAX NG Core Locations for east zone
1) Kolkata, Bhubhaneshwar(DR)
2) Kolkata, Cuttack (DR)
3) Bhubhaneshwar, Cuttack (DR)
4) Cuttack, Bhopal (DR)
Kolkata, Cuttack (DR)
CDOT MAX NG Core Locations for south zone
1) Chennai, Hyderabad (DR)
2) Bangalore, Chennai(DR)
3) Bangalore, Hyderabad (DR)
4) Pune, Hyderabad (DR)
Bangalore, Hyderabad (DR)
CDOT MAX NG Core Locations for west zone
1) Ahmedabad, Bhopal (DR)
2) Ahmedabad, Pune(DR)
3) Pune, Ahmedabad(DR)
4) Pune, Bhopal (DR)
Pune, Bhopal (DR)