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 : What is the nominal range of Bluetooth? a) 1 Km b) 10 m c) 1 m d) 10 Km
Last Answer : b) 10 m
Description : Several protocols for upper layers in bluetooth use _________ a) UDP b) HSP c) ITC d) L2CAP
Last Answer : d) L2CAP
Description : Which of the following standard committee specifies Bluetooth and other Personal Area Networks (PAN)? a) IEEE 802.11b b) IEEE 802.15 c) IEEE 802.11g d) IEEE 802.16
Last Answer : b) IEEE 802.15
Description : Which modulation scheme is used by Bluetooth? a) DQPSK b) MSK c) GFSK d) BPSK
Last Answer : c) GFSK
Description : What is the range of time slot in Bluetooth? a) 120 milliseconds b) 625 microseconds c) 577 microseconds d) 5.7 seconds
Last Answer : b) 625 microseconds
Description : Which of the following scheme is used by Bluetooth? a) Frequency hopping TDD scheme b) Frequency hopping FDD scheme c) DSSS TDD scheme d) DSSS FDD scheme
Last Answer : a) Frequency hopping TDD scheme
Description : Bluetooth operates in which band? a) Ka Band b) L Band c) Ku Band d) 2.4 GHz ISM Band
Last Answer : d) 2.4 GHz ISM Band
Description : Bluetooth standard is named after ___________ a) King Ronaldo Bluetooth b) Pope Vincent Bluetooth c) King Herald Bluetooth d) Pope Francis Bluetooth
Last Answer : c) King Herald Bluetooth
Description : Which of the following is not an open standard? a) Bluetooth b) WWW c) HTML d) VPN
Last Answer : d) VPN
Description : What is the name of 300 MHz of unlicensed spectrum allocated by FCC in ISM band? a) UNII b) Unlicensed PCS c) Millimetre wave d) Bluetooth
Last Answer : a) UNII
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 : 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 : 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 : Wireless networks are extremely hostile and random nature of radio channel. a) True b) False
Last Answer : a) True
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 : Which of the following channel does not come under CCCH? a) PCH b) RACH c) DCCH d) AGCH
Last Answer : c) DCCH
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 is not a control channel of GSM? a) BCH b) CCCH c) DCCH d) TCH
Last Answer : d) TCH
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 : Choosing a discrete value that is near but not exactly at the analog signal level leads to a) PCM error b) Quantization error c) PAM error d) Sampling error
Last Answer : b) Quantization error
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 : 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 : 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 : Which of the following is not an application of third generation network? a) Global Positioning System (GPS) b) Video conferencing c) Mobile TV d) Downloading rate upto 1 Gbps
Last Answer : d) Downloading rate upto 1 Gbps
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 : Which of the following is the 802.11 High Rate Standard? a) IEEE 802.15 b) IEEE 802.15.4 c) IEEE 802.11g d) IEEE 802.11b
Last Answer : d) IEEE 802.11b
Description : The length of the code-word obtained by encoding quantized sample is equal to a) l=log(to the base 2)L b) l=log(to the base 10)L c) l=2log(to the base 2)L d) l=log(to the base 2)L/2
Last Answer : a) l=log(to the base 2)L
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
Last Answer : 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 : 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 : 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 : 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 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 : 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 technique is used by GSM? a) GMSK b) BPSK c) QPSK d) GFSK
Last Answer : a) GMSK
Description : How many users are supported in IS-95 for each 1.25 MHz? a) Eight b) Sixty four c) Sixteen d) Twenty five
Last Answer : b) Sixty four