Description : Which of the following is the forward control channel that is used to broadcast information? a) BCCH b) CCCH c) DCCH d) TCH
Last Answer : a) BCCH
Description : Which of the following channel does not come under CCCH? a) PCH b) RACH c) DCCH d) AGCH
Last Answer : c) DCCH
Description : hich of the following burst is used to broadcast the frequency and time synchronization control messages? a) FCCH and SCH b) TCH and DCCH c) RACH and TCH d) FCCH and DCCH
Last Answer : a) FCCH and SCH
Description : Which of the following channel is used by base station to provide forward link communication to mobile? a) RACH b) AGCH c) DCCH d) PCH
Last Answer : b) AGCH
Description : ___________ is a reverse link channel used by a subscriber unit to acknowledge. a) RACH b) AGCH c) DCCH d) PCH
Last Answer : a) RACH
Description : Which of the following channel provides paging signals from base station to all mobiles in the cell? a) RACH b) AGCH c) DCCH d) PCH
Last Answer : d) PCH
Description : How many users or voice channels are supported for each 200 KHz channel in GSM? a) Eight b) Three c) Sixty four d) Twelve
Last Answer : a) Eight
Description : Which of the following does not come under subsystem of GSM architecture? a) BSS b) NSS c) OSS d) Channel
Last Answer : d) Channel
Description : The 2G GSM technology uses a carrier separation of _____________ a) 1.25 MHz b) 200 KHz c) 30 KHz d) 300 KHz
Last Answer : b) 200 KHz
Description : Which one of the following 2G standard is used in Japan? a) IS-136 b) GSM c) PDC d) AMPS
Last Answer : c) PDC
Description : GSM (Global System for Mobile) was earlier also known as _____________ a) Group System Mobile b) Global Special Meaning c) Group Special Mobile d) Global Special Mobile
Last Answer : c) Group Special Mobile
Description : Which modulation technique is used by GSM? a) GMSK b) BPSK c) QPSK d) GFSK
Last Answer : a) GMSK
Description : Which one is not a TDMA standard of second generation networks? a) GSM b) IS-136 c) AMPS d) PDC
Last Answer : c) AMPS
Description : How much increase in spectral efficiency is provided by W-CDMA in comparison to GSM? a) Two times b) Three times c) No increase d) Six times
Last Answer : d) Six times
Description : UMTS does not has backward compatibility with ____________ a) GSM b) IS-136 c) IS-95 d) GPRS
Last Answer : c) IS-95
Description : Which of the following leads to the 3G evolution of GSM, IS-136 and PDC systems? a) W-CDMA b) GPRS c) EDGE d) HSCSD
Last Answer : a) W-CDMA
Description : What is the term used by ITU for a set of global standards of 3G systems? a) IMT 2000 b) GSM c) CDMA d) EDGE
Last Answer : a) IMT 2000
Description : Group of superframes in GSM is called multiframe. a) True b) False
Last Answer : b) False
Description : __________ supports the operation and maintenance of GSM. a) BSS b) NSS c) OSS d) MSC
Last Answer : c) OSS
Description : ___________ manages the switching function in GSM. a) BSS b) NSS c) OSS d) MSC
Description : Which of the following feature makes impossible to eavesdrop on GSM radio transmission? a) SIM b) On the air privacy c) SMS d) Packet switched traffic
Last Answer : b) On the air privacy
Description : Which of the following memory device stores information such as subscriber’s identification number in GSM? a) Register b) Flip flop c) SIM d) SMS
Last Answer : c) SIM
Description : Which of the following does not come under the teleservices of GSM? a) Standard mobile telephony b) Mobile originated traffic c) Base originated traffic d) Packet switched traffic
Last Answer : d) Packet switched traffic
Description : Who sets the standards of GSM? a) ITU b) AT & T c) ETSI d) USDC
Last Answer : c) ETSI
Description : Previously in 1980s, GSM stands for ____________ a) Global system for mobile b) Groupe special mobile c) Global special mobile d) Groupe system mobile
Last Answer : b) Groupe special mobile
Description : Which of the following is the world’s first cellular system to specify digital modulation and network level architecture? a) GSM b) AMPS c) CDMA d) IS-54
Last Answer : a) GSM
Description : How many voice channels are supported for each 30 KHz radio channel in IS-136? a) Eight b) Thirty c) Three d) Sixteen
Last Answer : c) Three
Description : Mostly ________ is used in wireless LAN. a) time division multiplexing b) orthogonal frequency division multiplexing c) space division multiplexing d) channel division multiplexing
Last Answer : b) orthogonal frequency division multiplexing
Description : What is the raw channel bit error rate of Bluetooth? a) 10-3 b) 10-10 c) 103 d) 10-1
Last Answer : a) 10-3
Description : What is the channel symbol rate in Bluetooth for each user? a) 270.833 Kbps b) 1 Gbps c) 100 Mbps d) 1 Mbps
Last Answer : d) 1 Mbps
Description : Wireless networks are extremely hostile and random nature of radio channel. a) True b) False
Last Answer : a) True
Description : Which of the following specifies a set of media access control (MAC) and physical layer specifications for implementing WLANs? a) IEEE 802.16 b) IEEE 802.3 c) IEEE 802.11 d) IEEE 802.15
Last Answer : c) IEEE 802.11
Description : LATAs are connected by a company called _________ a) Land exchange carrier b) Local exchange carrier c) Local control exchange d) Land area exchange
Last Answer : b) Local exchange carrier
Description : Communication protocol, CAI stands for ___________ a) Common air interchange b) Control air interchange c) Common air interface d) Control air interchange
Last Answer : a) Common air interchange
Description : ____________ carries signalling and synchronizing commands. a) Traffic channels b) Control channels c) Signalling channels d) Forward channels
Last Answer : b) Control channels
Description : __________ carries digitally encoded user data. a) Traffic channels b) Control channels c) Signalling channels d) Forward channels
Last Answer : a) Traffic channels
Description : looking for a local rep / agent. i am located in suffolk, va. this si near va bch. and norfolk, va. ?
Last Answer : You can head down to the county court house and they will privide you a list of supported reps in your area. The list will include names address and phone numbers for you.
Description : Which of the following is not backward compatible with Cdma2000? a) Cdma2000 1xRTT b) Cdma2000 3xRTT c) Cdma2000 1xEV-DO d) Cdma2000 1xEV-DT
Last Answer : c) Cdma2000 1xEV-DO
Description : What are the two options provided by Cdma2000 1xEV? a) Cdma2000 1xRTT. Cdma2000 3xRTT b) Cdma2000 1xEV-DO, Cdma2000 1xEV-DV c) Cdma2000 1xEV-DT, Cdma2000 1xEV-DO d) Cdma2000 1xRTT, Cdma2000 1xEV-DV
Last Answer : b) Cdma2000 1xEV-DO, Cdma2000 1xEV-DV
Description : How is bandwidth increased in Cdma2000? a) Clubbing adjacent radio channels b) Changing the hardware of base stations c) Change of spectrum d) Change of RF equipment
Last Answer : a) Clubbing adjacent radio channels
Description : Cdma2000 1xEV was developed by ________ a) Motorola b) AT&T Laboratories c) Qualcomm d) NTT
Last Answer : c) Qualcomm
Description : Which of the following is not a characteristic of Cdma2000? a) Adaptable baseband signalling rates b) Adaptable baseband chipping rates c) Multicarrier technologies d) OFDMA
Last Answer : d) OFDMA
Description : Cdma2000 works in TDD mode only. a) True b) False
Description : How many users are supported by Cdma2000 1X in comparison to 2G CDMA standard? a) Half b) Twice c) Six times d) Ten times
Last Answer : b) Twice
Description : Within ITU IMT-2000 body, Cdma2000 1xRTT is also known as ____________ a) Cdma2000 1xEV-DO b) Cdma2000 1xEV-DV c) IS-95B d) G3G-MC-CDMA-1X
Last Answer : d) G3G-MC-CDMA-1X
Description : Which of the following the first 3G CDMA air interface? a) IS-95 b) IS-95B c) Cdma2000 1xRTT d) CdmaOne
Last Answer : c) Cdma2000 1xRTT
Description : 2G and 2.5G CDMA operators may selectively introduce 3G capabilities at each cell without changing entire base stations and reallocate spectrums. a) True b) False
Description : Which of the following has no backward compatibility with 3G Cdma2000? a) IS-95 b) GPRS c) IS-95A d) IS-95B
Last Answer : b) GPRS
Description : 2G CDMA standard, IS-95, was proposed by which company? a) Nippon Telephone and Telegraph (NTT) b) Qualcomm c) Bellcore and Motorola d) AT&T Bell Laboratories
Last Answer : b) Qualcomm
Description : Which is one of the disadvantages of 2G standards? a) Short Messaging Service (SMS) b) Digital modulation c) Limited capacity d) Limited Internet Browsing
Last Answer : d) Limited Internet Browsing