Computer Networking Acknowledgments, sequencing, and flow control are characteristics of which OSI layer? Layer 7 Layer 2 Layer 3 Layer 4 Layer 7 Layer 2 Layer 3 Layer 4 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The CCITT Recommendation X.25 specifies three layers of communications: physical datalink and network Session, transport and network None of these application, presentation and session datalink, network and transport physical datalink and network Session, transport and network None of these application, presentation and session datalink, network and transport ANSWER DOWNLOAD EXAMIANS APP
Computer Networking If you get both local and remote echoes, every character you type will appear on the screen twice never None of these once three times twice never None of these once three times ANSWER DOWNLOAD EXAMIANS APP
Computer Networking How many Character per sec(7bits + 1parity) can be transmitted over a 2400 bps line if the transfer is synchronous (1 "Start" and 1 "stop" bit)? 275 250 240 300 275 250 240 300 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking If digital data rate of 9600 bps is encoded using 8-level phase shift keying (PSK) method, the modulation rate is 1200 bands 3200 bands 9600 bands 4800 bands None of these 1200 bands 3200 bands 9600 bands 4800 bands None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following frequency ranges is used for AM radio transmission? Very Low Frequency : 3 kHz to 30 kHz Very High Frequency : 30 MHz to 300 MHz High Frequency : 3 MHz to 30 MHz Medium Frequency : 300 kHz to 3 MHz None of these Very Low Frequency : 3 kHz to 30 kHz Very High Frequency : 30 MHz to 300 MHz High Frequency : 3 MHz to 30 MHz Medium Frequency : 300 kHz to 3 MHz None of these ANSWER DOWNLOAD EXAMIANS APP
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