Description : At the base station, the air interface portion of mobile transmission is passed to MSC. a) True b) False
Last Answer : b) False
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 : Which of the following subsystem provides radio transmission between mobile station and MSC? a) BSS b) NSS c) OSS d) BSC
Last Answer : a) BSS
Description : MSCs provide connectivity between PSTN and the base stations. 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 : A long distance telephone company that collects toll is called _________ a) LATA b) LEC c) PSTN d) IXC
Last Answer : d) IXC
Description : PSTN stands for ________ a) Public switched telephone network b) Personal switched telephone network c) Personal switched telephone node d) Public switched telephone node
Last Answer : a) Public switched telephone network
Description : Which of the following has the function to accept information from PSTN? a) TIU b) WIU c) BIU d) CIU
Last Answer : a) TIU
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 : Direct inward dialling is used as a feature in (A) PSTN. (B) PBX. (C) EPABX. (D) VPN.
Last Answer : (C) EPABX.
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 : 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 : 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 : W-CDMA requires a complete change of RF equipment at each base station. a) True b) False
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 : 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 : Network layer at source is responsible for creating a packet from data coming from another ________ a) Station b) Link c) Node d) Protocol
Last Answer : d) Protocol
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 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 : The price of WLAN hardware is more than 3G telephones and fixed wireless equipment. a) True b) False
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 : 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 : 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 : 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
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 : Protocols are set of rules to govern _________ a) Communication b) Standard c) Metropolitan communication d) Bandwidth
Last Answer : a) Communication
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 : 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 : PCS/PCN provides only wired communication. a) True b) False
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 : 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 : 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 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 : _______ is the information contained in the packet header of TIU. a) PTI b) VCI c) PRMA d) CDPD
Last Answer : b) VCI
Description : In IEEE 802.11, a___ is made of stationary or mobile wireless stations and anoptional central base station, known as the access point (AP). A) ESS B) BSS C) CSS D) none of the above
Last Answer : BSS
Description : A USB communication device that supports data encryption for secure wireless communication for notebook users is called a a) USB wireless network adapter b) wireless switch c) wireless hub d) router e) None of these
Last Answer : a) USB wireless network adapter
Description : PBX in business communication jargon stands for 1. Personal Branch Exchange 2. Private Branch Exchange 3. Personnel Bureau Exchange 4. Public Bureau Exchange 5. None of these
Last Answer : Private Branch Exchange
Description : If all devices are connected to a central hub, then topology is called A) Bus Topology B) Ring Topology C) Star Topology D) Tree Topology
Last Answer : C) Star Topology
Description : In a star network each node (file server, workstations and peripherals) is connected to a central device called a _____: a) Bug b) Center c) Hub d) None of These
Last Answer : c) Hub
Description : If all devices are connected to a central hub, then topology is called
Description : MSc In Information and Communication Technology From Anglia Ruskin University?
Last Answer : Hello anyone ?
Description : The signals which are obtained by encoding each quantized signal into a digital word is called as a) PAM signal b) PCM signal c) FM signal d) Sampling and quantization
Last Answer : b) PCM signal
Description : In IPv4, service type of service in header field, first 3 bits are called ______ a) Type of service b) Code bits c) Sync bits d) Precedence bits
Last Answer : d) Precedence bits
Description : Group of superframes in GSM is called multiframe. a) True b) False
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