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." None. It is a router problem. Physical layer Data Link layer Network layer None. It is a router problem. Physical layer Data Link layer Network layer ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following transmission systems provides the highest data rate to an individual device Telephone lines Computer bus Voice band modem leased lines None of these Telephone lines Computer bus Voice band modem leased lines None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A communications device that combines transmissions from several I/O devices into one line is a: multiplexer full-duplex line None of these modifier concentrator multiplexer full-duplex line None of these modifier concentrator ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following performs modulation and demodulation? satellite fiber optic coaxial cable None of these modem satellite fiber optic coaxial cable None of these modem ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Packet Switch Stream (PSS) was introduced in the UK in 1980 the US in 1961 (&) the UK in 1981 the US in 1961 None of these None of these the UK in 1980 the US in 1961 (&) the UK in 1981 the US in 1961 None of these None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The transfer of data from a CPU to peripheral devices of a computer is achieved through computer ports interfaces None of these buffer memory modems computer ports interfaces None of these buffer memory modems ANSWER DOWNLOAD EXAMIANS APP
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