Computer Networking Which of the following medium is used for broadband local networks? UTP optic fiber None of these CATV Coaxial cable UTP optic fiber None of these CATV Coaxial cable ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The signal to noise ratio for a voice grade line is 30.1 dB (decibels) or a power ratio of 1023:1. The maximum achievable data rate on this line whose spectrum ranges from 300 Hz to 4300 Hz is 9600 bps 31000 bps None of these 6200 bps 34000 bps 9600 bps 31000 bps None of these 6200 bps 34000 bps ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the frequency range of the IEEE 802.11b standard? 2.4Gbps 5Gbps 2.4GHz 5GHz 2.4Gbps 5Gbps 2.4GHz 5GHz ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Establishing a virtual connection is functionally equivalent to None of these Connecting as virtual memory Placing a modem prior to a conversation Physically connecting a DTE and DCE Placing a telephone call prior to a conversation None of these Connecting as virtual memory Placing a modem prior to a conversation Physically connecting a DTE and DCE Placing a telephone call prior to a conversation ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following summation operations is performed on the bits to check an error-detecting code? Codec Attenuation Broadband and baseband refer to the different frequencies at which infrared operates then transmitting signals in certain conditions Checksum Coder-decoder Codec Attenuation Broadband and baseband refer to the different frequencies at which infrared operates then transmitting signals in certain conditions Checksum Coder-decoder ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A 6-MHz channel is used by a digital signaling system utilizing 4-level signals. What is the maximum possible transmission rate? 1.5 Mbaud/sec 24 Mbaud/sec 12 Mbaud/sec 6 Mband/sec None of these 1.5 Mbaud/sec 24 Mbaud/sec 12 Mbaud/sec 6 Mband/sec None of these ANSWER DOWNLOAD EXAMIANS APP
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