Computer Networking Which of the following signals is not standard RS - 232-C signal? None of these DSR VDR CTS RTS None of these DSR VDR CTS RTS ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following technique is used for allocating capacity on a satellite channel using fixed-assignment FDM? None of these Frequency-shift keying Frequency-division multiple access Amplitude modulation Frequency modulation None of these Frequency-shift keying Frequency-division multiple access Amplitude modulation Frequency modulation ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A modulator converts a _____ signal to a(n) _____ signal. analog; digital digital; analog PSK; FSK FSK; PSK None of these analog; digital digital; analog PSK; FSK FSK; PSK None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following is considered a broadband communications channel? All of these microwave circuits coaxial cable satellites systems fiber optic cable All of these microwave circuits coaxial cable satellites systems fiber optic cable ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What layer of the OSI model would you assume the problem is in if you type show interface serial 1 and receive the following message? "Serial1 is down, line protocol is down." Physical layer Data Link layer None. It is a router problem. Network layer Physical layer Data Link layer None. It is a router problem. Network layer ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Error detection at a data link level is achieved by bit stuffing None of these Hamming codes cyclic redundancy codes equalization bit stuffing None of these Hamming codes cyclic redundancy codes equalization ANSWER DOWNLOAD EXAMIANS APP
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