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In a full duplex communication by using STP cable, how can be received signal quality be improved? (5 p) O a None O b. Lower frequency of the signal could be used. O c. Receiver could be taken to further O d. All Oe. UTP cable could be used instead of STP If a digitizied signal has the data rate as 40 Kbps, which one is true? O a. Signal Period: 2.10-4 sec Bit per sample: 3 O b. Signal Period: 2,5.10-4 sec Bit per sample: 5 O c. Signal Period: 3 msec Bit per sample: 8 O d. Signal Period: 1,25.10-5 sec Bit per sample: 5 O e Signal Period: 1,25.10-4 sec Bit per sample: 4 In a full duplex communication by using UTP cable, Pr power is measured as 15 mw and Adb as 7,78 dB. If the received signal is correctly interpreted, which of the values are correct? (5 p) O a. maksimum Pc: 15 mw NEXTdB: 0 dB ACRDB : 15,56 dB b. maksimum Pc: 15 mw NEXTdB : 0 ACRdB : 7,78 dB c. maksimum Pc: 20 mw NEXTdB: 10 dB ACRdB: 0 O d. minimum Pc: 5 mw NEXTdB: 10 dB ACRdB: 15,56 dB e. minimum Pc: 12 mw NEXTDB:7,78 dB ACRDB : 7,78 dB