Multiple Choice Questions (MCQs)
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Next Generation Network
1 Number of layers in NGN architecture is- (A) 7
- (B) 6
- (C) 5
- (D) 4
2 The E2Eoptical path in an OTN network is specified by layer
- (A) ODU
- (B) OTU
- (C) OCH
- (D) OPU
3 In NGN, the interface not supporting media interaction is
- (A) UNI
- (B) ANI
- (C) NNI
- (D) SNI
4 Number of layer in NGN architecture is
- (A) 7
- (B) 6
- (C) 5
- (D) 4
5 In NGN communication is possible
- (A) Within a city
- (B) Within a state
- (C) Within a country
- (D) Anywhere in world
6 Layers of NGN are
- (A) Access, Transport, Control, Service Layer
- (B) Physical, Data link, Network, Session Layer
- (C) Application, Session, Data link, Network, Transport, layer
- (D) Network, Application Layer
7 In NGN CDF (Content Delivery Function) is a function of
- (A) Transport Stratum
- (B) Service Stratum
- (C) Transport and Service stratum
- (D) Not from above
8 The wavelength range of the XG-PON1 downstream signal and the range of upstream signal on a single-fiber system are
- (A) Same
- (B) For downs stream signal wavelength is greater than that of upstream signal
- (C) For downs stream signal wavelength is lower than that of upstream signal
- (D) Depend on application it varies
9 ———- multiplexing is used in 3G.
- (A) FDMA
- (B) CDMA
- (C) TDMA
- (D) Not From Above
10 MPLS header length is a field of —- bits.
- (A) 32
- (B) 24
- (C) 20
- (D) 8
11 8000 frames/sec are transmitted in 125 µsec, in
- (A) STM-4
- (B) STM-64
- (C) STM-1
- (D) STM-256
12 The use of EXP (Experimental) bits is
- (A) Quality of service
- (B) Avoid a packet being stuck in a routing loop
- (C) Receiving, transmitting a labeled packet on a data link.
- (D) Not from above
13 The protection scheme in an OTN network is defined by
- (A) G 709
- (B) G 873.1
- (C) G 798
- (D) G 872
14 SDH is ———-
- (A) Session layer Protocol
- (B) Transport layer Protocol
- (C) Service Protocol
- (D) Application Protocol
15 Data speed in 5G is ——–
- (A) More than 1Gbps
- (B) 64Kbps
- (C) 2 Mbps
- (D) 4 Kbps
16 TTL in a MPLS label is
- (A) Transistor Transistor Logic
- (B) Time To Live
- (C) Technology Transfer Layer
- (D) Not from above
17 The UNI-(User network interface) is used to provide connectivity to ______________.
- (A) Terminal equipments, User networks and Corporate networks.
- (B) Other NGNs , other IP-based networks
- (C) Corporate networks
- (D) IP-based networks
18 In NGN CDF (Content Delivery Function) is a function of
- (A) Transport stratum
- (B) Application stratum
- (C) Service stratum
- (D) Control stratum
19 Access network functions, Edge functions, Core transport functions, and Gateway functions include the function of ___________.
- (A) Service control functions
- (B) Transport Functions
- (C) Application support functions
- (D) Management functions
20 Identify the odd one out of objectives of NGN.
- (A) Open user access
- (B) Diversity of content
- (C) Equality of opportunity
- (D) Quality of service
21 ___________transports information and services by encapsulating these into IP packets.
- (A) Next Generation Network
- (B) Virtual private network
- (C) Wide Area Network
- (D) Local Area Network
22 API provides a channel for interactions and exchanges between
- (A) Other NGNs, IP based networks
- (B) User and corporate networks
- (C) NGN and other service providers
- (D) NGN and applications
23 ______ are also known as soft switches and call Agents.
- (A) Session border controller
- (B) Media Gateway Controllers
- (C) Trunk media gateway
- (D) Signalling Gateway
24 Media server uses a control protocol such as _______
- (A) Transmission Control Protocol
- (B) File Transfer Protocol
- (C) Session Initiation Protocol
- (D) Hyper Text Transfer Protocol
25 ___ provides the following functionalities.
- (A) RACF
- (B) MMCF
- (C) NACF
- (D) NAPT
26 Radio band for FM Broadcast is ________.
- (A) 87.5 to 108.0 MHz
- (B) 148.5 kHz–283.5 kHz
- (C) 30 Hertz to 300 GHz.
- (D) 1.711 MHz–30.0 MHz
27 ____mobile network based on GSM, GPRS and EDGE.
- (A) 1 G
- (B) 3 G
- (C) 5 G
- (D) 2 G
28 In 3G mobile network data bandwidth is __
- (A) 2 KBPS
- (B) 64 Kbps
- (C) 2 Mbps
- (D) 1 Gbps
29 In FTTH, teleconsulting ____________
- (A) Symmetric
- (B) VoD
- (C) Asymmetric
- (D) Transport
30 EXP bit are used for _____________
- (A) Avoiding stucking of packets
- (B) Receiving And Transmitting
- (C) Quality of service
- (D) Arranging packets
31 One MPLS label is a field of ___________
- (A) 32 bits
- (B) 64 bits
- (C) 128 bits
- (D) 20 bits
32 STM-4 has bit rate of ________.
- (A) 822.80 Mbits/Sec
- (B) 155.520 Mbits/Sec
- (C) 1244.160 Mbits/Sec
- (D) 622.080 Mbits/Sec
33 Protection scheme in an OTN Network is defined by
- (A) G 709
- (B) G 873.1
- (C) G 798
- (D) G 872
34 B-PON is
- (A) Bandpass Passive Optical Network
- (B) Broadband Passive Optical Network
- (C) Baseband Passive Optical Network
- (D) Bandwidth Passive Optical Network
35 1G-EPON and 10-G EPON defined in _____________.
- (A) ITU-T
- (B) FCC
- (C) IEEE
- (D) ETSI
36 The protection scheme in an OTN network is defined by
- (A) G 709
- (B) G 873.1
- (C) G 798
- (D) G 872
37 STM-1 Frame is transmitted in ____________
- (A) 200 msec
- (B) 125 µs
- (C) 50 sec
- (D) 100 nsec
38 OTN supports bit rate up-to_______
- (A) 500 Mbps
- (B) 300 Kbps
- (C) 100 Mbps
- (D) 400 Gbps
39 Client signal encapsulation, Rate Justification is the function of –
- (A) Optical channel (OCH)
- (B) Optical transport unit (OTU)
- (C) Optical data unit (ODU)
- (D) Optical Payload unit (OPU)
40 The wavelength range of the XG-PON1 downstream signal and the range of upstream signal on a single-fiber system are
- (A) Same
- (B) For downs stream signal wavelength is greater than that of upstream signal
- (C) For downs stream signal wavelength is lower than that of upstream signal
- (D) Depend on application it varies
41 For GPON line rate for down streaming is-
- (A) 1.2 Gbit/s
- (B) 622.08 Mbit/s.
- (C) 2.4 Gbit/s
- (D) 155.52 Mbit/s.
42 In MPLS for TTL (Time to Live) the Number of bits used is ________
- (A) 20
- (B) 3
- (C) 1
- (D) 8
43 In MPLS Network, at the first Edge LSR, label is added to the packet. This process is called____
- (A) PUSH
- (B) POP
- (C) SWAP
- (D) XCH
44 MPLS technology efficiently supports to-
- (A) Network services
- (B) IP Based services
- (C) Circuit based services
- (D) Packet-based services
45 A ____________ is a router that supports MPLS.
- (A) Label switch router
- (B) Edge Routers
- (C) Broadband Routers
- (D) Core Routers
46 Pick the odd one out of the LSRs exists in an MPLS network:
- (A) Egress
- (B) Intermediate
- (C) Ingress
- (D) At the end
47 In MPLS, label value can be in between ______________
- (A) 0 and 65536
- (B) 0 and 255
- (C) 0 and 1024
- (D) 0 and 1048575
48 In FTTH, following protocol is used for up streaming directions.
- (A) TDMA
- (B) CDMA
- (C) FDMA
- (D) PDMA
49 In FTTH, telemedicine is ———— service
- (A) Symmetric
- (B) Asymmetric
- (C) Balanced
- (D) Unbalanced
50 FTTx architecture can be applicable for —
- (A) Symmetric broadband
- (B) Asynchronous
- (C) Asymmetric broadband
- (D) Point-to-point or point-to-multipoint
51 The ____________ would include the modulation schemes for both the upstream and downstream channels
- (A) Transmission Convergence layer
- (B) ATM layer
- (C) Session layer
- (D) Physical Media Dependent layer
52 FTTx network architecture uses ——–medium between ONU and OLT.
- (A) Copper
- (B) Fiber
- (C) Glass
- (D) Metal
53 OLT provides interface to—–
- (A) Subscriber and the subscribed services.
- (B) Television to CD player
- (C) Waveguide to antenna
- (D) OTDR to waveguide
54 Wi max, Wi-Fi, LTE Technology is used in ___mobile network.
- (A) 2G
- (B) 3G
- (C) 4G
- (D) 5G
55 _____________multiplexing is used in 3G mobile network.
- (A) FDMA
- (B) TDMA
- (C) PDMA
- (D) CDMA
56 Video conferencing is the application of _________mobile network.
- (A) 2G
- (B) 3G
- (C) 4G
- (D) 5G
57 PSTN Core network is used in ___mobile network.
- (A) 5G
- (B) 3G
- (C) 4G
- (D) 2G
58 Data speed in 5G is ——–
- (A) More than 1Gbps
- (B) 64Kbps
- (C) 2 Mbps
- (D) 4 Kbps
59 Pick the odd one application of 4G Network.
- (A) Multimedia
- (B) HDTV
- (C) Digital Video Broadcasting (DVB)
- (D) 3D Television
60 The radio spectrum is the part of the electromagnetic spectrum with frequencies from —–.
- (A) 87.5 to 108.0 MHz
- (B) 148.5 kHz–283.5 kHz
- (C) 30 Hertz to 300 GHz.
- (D) 1.711 MHz–30.0 MHz
61 In licensed radio bands, _____________ frequency range is between840 MHz, 900MHz.
- (A) AM broadcast
- (B) FM broadcast
- (C) Television
- (D) Cellular phones
62 The ultra-high frequency band of radio waves in the electromagnetic wave is used as in _____.
- (A) Commercial FM radio
- (B) Television
- (C) Cellular phone communication
- (D) b) Microwaves
63 Industrial, Scientific, Medical type includes several medical monitors and other devices that operate in the _________.
- (A) 900-MHZ, 2.4-GHz
- (B) 500-MHZ, 2.4-MHz
- (C) 100-KHZ, 2.4 KHz
- (D) 900-MHZ, 4.5-GHz
64 _________manages and sets standards with regard to the spectrum use.
- (A) Wi-Fi Alliance
- (B) European Telecommunications Standards Institute
- (C) Federal Communications Commission
- (D) WLAN Association
65 Identify from the following unlicensed radio band application.
- (A) Commercial FM radio
- (B) Aeronautical navigation service
- (C) Television
- (D) Cellular phones
66 Media Gateways are located in _______________ of NGN.
- (A) Access Layer
- (B) Transport Layer
- (C) Control Layer
- (D) Service Layer
67 ____________supports services such as voice or video telephony subscribe and message.
- (A) Network components
- (B) Modem
- (C) PSTN/ISDN emulation service component
- (D) IP multimedia service component
68 _____________ provides functions such as media conversion and echo control.
- (A) Trunk Media gateway
- (B) Access gateway
- (C) Signalling gateway
- (D) Border Gateway
69 The _________ provides the signalling interface between the VoIP network and the PSTN signalling network
- (A) Signalling gateway
- (B) Access gateway
- (C) Border Gateway
- (D) Trunk Media gateway
70 Pick the odd one out of the NGN Network components
- (A) Access gateway
- (B) PSTN
- (C) GSM
- (D) Trunk Media gateway
71 Session Border Controller provides functions such as ___________.
- (A) Network Address Translation and Firewall Traversal.
- (B) Call logic and call control functions
- (C) Packetisation, echo control
- (D) Announcements and tones, and collect user information.
72 NGN is a _______ Network.
- (A) Packet-based
- (B) Message-based
- (C) IP-based
- (D) Circuit –based
73 In NGN, the interface not supporting media interaction is____
- (A) UNI
- (B) NNI
- (C) SNI
- (D) ANI
74 Pick the odd one out of the application of Next Generation Network
- (A) Emergency Calling Services
- (B) Intelligent Call Routing
- (C) Advanced Toll Free
- (D) ATM
75 ______________ these are four Layers of NGN architecture.
- (A) Access, Transport, control, service
- (B) Physical, Data link, Network, session
- (C) Application, Session, Data link, Transport
- (D) Network, Application, Session, Access.
76 In NGN communication is possible
- (A) Within a city
- (B) Within a state
- (C) Within a country
- (D) Anywhere in world
77 __________ Functions provide the connectivity for all components and physically separated units within the NGN.
- (A) Transport layer
- (B) Service layer
- (C) Data link layer
- (D) Control layer