Description : What is the full form of WLAN? a) Wide Local Area Network b) Wireless Local Area Network c) Wireless Land Access Network d) Wireless Local Area Node
Last Answer : b) Wireless Local Area Network
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 : 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 WLAN standard has been named Wi-Fi? a) IEEE 802.6 b) IEEE 802.15.4 c) DSSS IEEE 802.11b d) IEEE 802.11g
Last Answer : c) DSSS IEEE 802.11b
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 : 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 : Wireless networks are extremely hostile and random nature of radio channel. a) True b) False
Description : AIN has different telephone numbers for both wireline and wireless services. a) True b) False
Last Answer : b) False
Description : W-CDMA requires a complete change of RF equipment at each base station. a) True b) False
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 : 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 : Which of the following 3G standard is used in Japan? a) Cdma2000 b) TD-SCDMA c) UMTS d) UTRA
Last Answer : c) UMTS
Description : Which of the following is not a standard of 3G? a) UMTS b) Cdma2000 c) TD-SCDMA d) LTE
Last Answer : d) LTE
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 : 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 : 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 of the following is not a characteristic of 3G network? a) Communication over VoIP b) Unparalleled network capacity c) Multi-megabit Internet access d) LTE based network
Last Answer : d) LTE based network
Description : Circuit switching has more advantage than packet switching for PCS. a) True b) False
Description : Cdma2000 works in TDD mode only. a) True b) False
Description : W-CDMA works in FDD mode only. a) True b) False
Description : WLANs use high power levels and generally require a license for spectrum use. a) True b) False
Description : At the base station, the air interface portion of mobile transmission is passed to MSC. a) True b) False
Description : MSCs provide connectivity between PSTN and the base stations. a) True b) False
Description : PCS/PCN provides only wired communication. a) True b) False
Description : Group of superframes in GSM is called multiframe. a) True b) False
Description : What is Wired Equivalent Privacy (WEP)? a) security algorithm for ethernet b) security algorithm for wireless networks c) security algorithm for usb communication d) security algorithm for emails
Last Answer : b) security algorithm for wireless networks
Description : Which one of the following event is not possible in wireless LAN? a) collision detection b) acknowledgement of data frames c) multi-mode data transmission d) connection to wired networks
Last Answer : a) collision detection
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 : In wireless network an extended service set is a set of ________ a) connected basic service sets b) all stations c) all access points d) connected access points
Last Answer : a) connected basic service sets
Description : A wireless network interface controller can work in _______ a) infrastructure mode b) ad-hoc mode c) both infrastructure mode and ad-hoc mode d) WDS mode
Last Answer : c) both infrastructure mode and ad-hoc mode
Description : In wireless distribution system __________ a) multiple access point are inter-connected with each other b) there is no access point c) only one access point exists d) access points are not required
Last Answer : a) multiple access point are inter-connected with each other
Description : In wireless ad-hoc network _________ a) access point is not required b) access point is must c) nodes are not required d) all nodes are access points
Last Answer : a) access point is not required
Description : What is the access point (AP) in a wireless LAN? a) device that allows wireless devices to connect to a wired network b) wireless devices itself c) both device that allows wireless devices to connect to a wired network and wireless devices itself d) all the nodes in the network
Last Answer : a) device that allows wireless devices to connect to a wired network
Description : What is WISP? a) Wideband Internet Service Protocol b) Wireless Internet Service Provider c) Wireless Instantaneous Source Provider d) Wideband Internet Source Protocol
Last Answer : b) Wireless Internet Service Provider
Description : In 2007 ____________ announced its plan to transmit its network to 4G standard LTE with joint efforts of Vodafone group. a) Verizon Wireless b) AirTouch c) Netflix d) V Cast
Last Answer : a) Verizon Wireless
Description : PSTN is ___________ and wireless networks are ________ a) Highly dynamic, virtually static b) Static, virtually static c) Highly dynamic, virtually dynamic d) Virtually static, highly dynamic
Last Answer : d) Virtually static, highly dynamic
Description : In a wireless communication, base station is connected to central hub called _______ a) PSTN b) MSC c) CO d) PBX
Last Answer : b) MSC
Description : In IPv4 layer, datagram is of ________ a) Fixed length b) Variable length c) Global length d) Zero length
Last Answer : b) Variable length
Description : Which of the following services is not provided by wireless access point in 802.11 WLAN? (A) Association (B) Disassociation (C) Error Correction (D) Integration
Last Answer : Answer: C Explanation: IEEE 802.11 Services
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 : 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 : 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 : 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