H35-510-ENU

GSM 2.5 generation communication system is?A . GPRSB . AMPSC . TACSD . GPSView AnswerAnswer: A

GSM frequency hopping mode can be divided into frame hopping and slot hopping according to time domain. Frame hopping means that each hopping frequency point is changed once every TDMA frame period, and slot hopping refers to the frequency change of each slot of TDMA frame once.A . TrueB ....

SIMULATION Project 3 of 7: Tree Inventory Overview You are updating the inventory worksheet for a local tree farm. Hide rows 29 and 30.View AnswerAnswer: See explanation below.

What kind of channel is the BCCH abbreviation?A . Broadcast channelB . Traffic channelC . Dedicated control channelD . Access channelView AnswerAnswer: A

The location area is a subset of the routing area, and one or more location areas form a routing area.A . TrueB . FalseView AnswerAnswer: B

China's independent research and development of 3G standards is:A . WCDMAB . CDMA 1X EvDOC . GPRSD . TD-SCDMAView AnswerAnswer: D

According to the GSM specification, if the receiving sensitivity of the base station is -110 dBm, then in order to ensure normal operation, the maximum value of the first adjacent interference level of the carrier frequency is?A . 9dBB . -9dBC . -101dBmD . -119dBmView AnswerAnswer: C

Which of the following radio wave bands does the frequency band currently used by the GSM system belong to?A . Super high frequency (SHF)B . Very high frequency (VHF)C . Ultra High Frequency (UHF)D . Extremely high frequency (EHF)View AnswerAnswer: C

How does the signal travel between the phone and the antenna?A . Through telephone lineB . Through the fiberC . Through radio wavesD . Through the cableView AnswerAnswer: C

GSM base station subsystem includes?A . Base station controller and base stationB . Switches and base stationsC . Home location registerD . Mobile phones and base stationsView AnswerAnswer: A