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 : 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 : 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 : 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 : Which modulation technique is used by GSM? a) GMSK b) BPSK c) QPSK d) GFSK
Last Answer : a) GMSK
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 : Which of the following multiple access techniques are used by second generation cellular systems? a) FDMA/FDD and TDMA/FDD c c) FDMA/FDD and CDMA/FDD d) FDMA/FDD only
Last Answer : b) TDMA/FDD and CDMA/FDD
Description : _____ is used for transmission of packets in the cellular switched architecture. a) Packet switching techniques b) Circuit switching techniques c) Packet and circuit switched technique d) Datagram technique
Last Answer : a) Packet switching techniques
Description : Which of the following is a CDMA standard of second generation network? a) IS-95 b) IS-136 c) ETACS d) EDGE
Last Answer : a) IS-95
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
Description : A multiple access technique used in GSM cellular system A. TACS B. FDMA C. TDMA D. CDMA
Last Answer : C. TDMA
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 : 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 the first 3G CDMA air interface? a) IS-95 b) IS-95B c) Cdma2000 1xRTT d) CdmaOne
Last Answer : c) Cdma2000 1xRTT
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 : 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
Last Answer : a) True
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 : Popular 2G CDMA standard IS-95 is also known as ______________ a) CdmaOne b) CdmaTwo c) IS-136 d) IS-95B
Last Answer : a) CdmaOne
Description : W-CDMA requires a complete change of RF equipment at each base station. a) True b) False
Description : What is the minimum spectrum allocation required by W-CDMA? a) 5 MHz b) 20MHz c) 1.25 MHz d) 200 KHz
Last Answer : a) 5 MHz
Description : How much packet data rate per user is supported by W-CDMA if the user is stationary? a) 2.048 Kbps b) 100 Mbps c) 2.048 Mbps d) 1 Gbps
Last Answer : c) 2.048 Mbps
Description : W-CDMA works in FDD mode only. a) True b) False
Last Answer : b) False
Description : What is the chip rate of W-CDMA? a) 1.2288 Mcps b) 3.84 Mcps c) 270.833 Ksps d) 100 Mcps
Last Answer : b) 3.84 Mcps
Description : UMTS is also known as _____________ a) IS-95 b) GPRS c) CdmaOne d) W-CDMA
Last Answer : d) W-CDMA
Description : UMTS use which multiple access technique? a) CDMA b) TDMA c) FDMA d) SDMA
Last Answer : a) CDMA
Description : What is 3GPP2? a) Project based on W-CDMA b) Project based on cdma2000 c) Project based on 2G standards d) Project based on 2.5G standards
Last Answer : b) Project based on cdma2000
Description : hat is 3GPP? a) Project based on W-CDMA b) Project based on cdma2000 c) Project based on 2G standards d) Project based on 2.5G standards
Last Answer : a) Project based on W-CDMA
Description : Which of the following leads to evolution of 3G networks in CDMA systems? a) IS-95 b) IS-95B c) CdmaOne d) Cdma2000
Last Answer : d) Cdma2000
Description : LAN? a) CDMA b) CSMA/CA c) ALOHA d) CSMA/CD
Last Answer : b) CSMA/CA
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 : 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 : UMTS does not has backward compatibility with ____________ a) GSM b) IS-136 c) IS-95 d) GPRS
Last Answer : c) IS-95
Description : Group of superframes in GSM is called multiframe. a) True b) False
Description : Which of the following is not a control channel of GSM? a) BCH b) CCCH c) DCCH d) TCH
Last Answer : d) TCH
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 : The modulation technique used by GSM cellular system A. Phase shift keying B. Frequency shift keying C. Gaussian minimum shift keying D. QAM
Last Answer : C. Gaussian minimum shift keying
Description : Which of the following is not a standard of WLAN? a) HIPER-LAN b) HIPERLAN/2 c) IEEE 802.11b d) AMPS
Last Answer : d) AMPS
Description : IS-136 uses which modulation technique? a) π/4 DQPSK b) BPSK c) GMSK d) AFSK
Last Answer : a) π/4 DQPSK
Description : IS-95 uses which modulation technique? a) GMSK b) BPSK c) QAM d) AFSK
Last Answer : b) BPSK
Description : Which modulation scheme is used by Bluetooth? a) DQPSK b) MSK c) GFSK d) BPSK
Last Answer : c) GFSK
Description : What is the name of the European WLAN standard that provides user data rate upto 54 Mbps? a) UNII b) WISP c) MMAC d) HIPERLAN/2
Last Answer : d) HIPERLAN/2
Description : What is the data rate of HomeRF 2.0? a) 10 Mbps b) 54 Mbps c) 200 Mbps d) 1 Mbps
Last Answer : a) 10 Mbps
Description : Is boost mobile on a gsm or cdma network?
Last Answer : Boost Mobile is a division of Sprint/Nextel. It currently offers plans for phones that run on the CDMA network.