Computer Networking Which of the following is a voiceband channel? Microwave systems None of these Coaxial cable Telegraph line Telephone line Microwave systems None of these Coaxial cable Telegraph line Telephone line ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What device separates a single network into two segments but lets the two segments appear as one to higher protocols? Gateway Switch Bridge Router Gateway Switch Bridge Router ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which file transfer protocol uses UDP? NFS TFTP None of these TELNET FTP NFS TFTP None of these TELNET FTP ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The CCITT Recommendation X.25 specifies three layers of communications: physical datalink and network application, presentation and session None of these Session, transport and network datalink, network and transport physical datalink and network application, presentation and session None of these Session, transport and network datalink, network and transport ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which multiplexing technique shifts each signal to a different carrier frequency? All of these synchronous TDM asynchronous TDM FDM All of these synchronous TDM asynchronous TDM FDM ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The size or magnitude of a voltage or current waveform is Angle Modulation Attenuation Amplitude Aloha None of these Angle Modulation Attenuation Amplitude Aloha None of these ANSWER DOWNLOAD EXAMIANS APP
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