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 6200 bps 9600 bps 31000 bps 34000 bps None of these 6200 bps 9600 bps 31000 bps 34000 bps None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the default subnet mask for a class C network? None of these 255.255.0.0 255.255.255.0 255.0.0.0 127.0.0.1 None of these 255.255.0.0 255.255.255.0 255.0.0.0 127.0.0.1 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the problem with an interface if you type show interface serial 0 and receive the following message? "Serial0 is administratively down, line protocol is down." The administrator is pinging from the interface. No cable is attached. The administrator has the interface shut down. The keepalives are different times. The administrator is pinging from the interface. No cable is attached. The administrator has the interface shut down. The keepalives are different times. ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following divides the high speed signal into frequency bands? t-switch None of these modem frequency-division multiplexer time-division multiplexer t-switch None of these modem frequency-division multiplexer time-division multiplexer ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The CCITT Recommendation X.25 specifies three layers of communications: datalink, network and transport Session, transport and network None of these physical datalink and network application, presentation and session datalink, network and transport Session, transport and network None of these physical datalink and network application, presentation and session ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is Unicode? Supports only few characters Only few languages are supported Characters from A to Z Represents symbol or characters used in any langua Supports only few characters Only few languages are supported Characters from A to Z Represents symbol or characters used in any langua ANSWER DOWNLOAD EXAMIANS APP
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