Computer Networking In OSI model, which of the following layer provides error-free delivery of data? transport Data link None of these Session Network transport Data link None of these Session Network ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What frequency range is used for microwave communications, satellite and radar? Extremely High Frequency :30,000 MHz Super High Frequency : 3000 MHz to 30000 MHz Medium Frequency : 300 kHz to 3 MHz Low Frequency : 30 kHz to 300 kHz None of these Extremely High Frequency :30,000 MHz Super High Frequency : 3000 MHz to 30000 MHz Medium Frequency : 300 kHz to 3 MHz Low Frequency : 30 kHz to 300 kHz None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The network layer, in reference to the OSI model, provide All of these data link procedures that provide for the exchange of data via frames that can be sent and received the virtual circuit interface to packet-switched service None of these the interface between the X.25 network and packet mode device All of these data link procedures that provide for the exchange of data via frames that can be sent and received the virtual circuit interface to packet-switched service None of these the interface between the X.25 network and packet mode device ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A noiseless 3 KHz Channel transmits bits with binary level signals. What is the maximum data rate? 6 Kbps 12 Kbps 3 Kbps 24 Kbps. 6 Kbps 12 Kbps 3 Kbps 24 Kbps. ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Now-a-days computers all over the world can talk to each other. Which is one of the special accessories essential for this purpose? Modem Scanner None of these Keyboard Fax Modem Scanner None of these Keyboard Fax ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A high speed communication equipment typically would not be needed for E-mail Transferring large volume of data Supporting communication between nodes in a LAN All of these E-mail Transferring large volume of data Supporting communication between nodes in a LAN All of these ANSWER DOWNLOAD EXAMIANS APP
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