Computer Networking The EIA-232 interface has _____ pins. 30 24 25 20 None of these 30 24 25 20 None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the main difference between DDCMP and SDLG? SDLC has a IP address DDCMP does not need special hardware to final the beginning of a message. SDLC does not use CRC None of these DDCMP has a message header SDLC has a IP address DDCMP does not need special hardware to final the beginning of a message. SDLC does not use CRC None of these DDCMP has a message header ANSWER DOWNLOAD EXAMIANS APP
Computer Networking How many non-overlapping channels are available with 802.11a? 3 12 23 40 3 12 23 40 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following communications service provides message preparation and transmission facilities? x400 None of these Teletext Teletex Fax x400 None of these Teletext Teletex Fax ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A receiving host has failed to receive all of the segments that it should acknowledge. What can the host do to improve the reliability of this communication session? Decrease the sequence number. Decrease the window size. Restart the virtual circuit. Send a different source port number. Decrease the sequence number. Decrease the window size. Restart the virtual circuit. Send a different source port number. ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Error detection at the data link level is achieved by Equalization Cyclic Redundancy Code Bit Stuffing Hamming Code Equalization Cyclic Redundancy Code Bit Stuffing Hamming Code ANSWER DOWNLOAD EXAMIANS APP
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