Computer Networking Which of the following are layers in the TCP/IP model?1. Application2. Session3. Transport4. Internet5. Data Link6. Physical 3, 4 and 5 1, 3 and 4 1 and 2 2, 3 and 5 3, 4 and 5 1, 3 and 4 1 and 2 2, 3 and 5 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 34000 bps 9600 bps 6200 bps None of these 31000 bps 34000 bps 9600 bps 6200 bps None of these 31000 bps ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Establishing a virtual connection is functionally equivalent to Placing a telephone call prior to a conversation Physically connecting a DTE and DCE None of these Connecting as virtual memory Placing a modem prior to a conversation Placing a telephone call prior to a conversation Physically connecting a DTE and DCE None of these Connecting as virtual memory Placing a modem prior to a conversation ANSWER DOWNLOAD EXAMIANS APP
Computer Networking In OSI model, which of the following layer provides error-free delivery of data? Data link transport None of these Session Network Data link transport None of these Session Network ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The frequency range : 300 kHz to 3 MHz is used for microwave communications, satellite and radar None of these FM radio transmission AM radio transmission TV transmission microwave communications, satellite and radar None of these FM radio transmission AM radio transmission TV transmission ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Error control is needed at the transport layer because of potential errors occurring _____. from transmission line noise from out-of-sequence delivery from packet losses. in routers from transmission line noise from out-of-sequence delivery from packet losses. in routers ANSWER DOWNLOAD EXAMIANS APP
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