Computer Networking X.21 is a very common bit-oriented data link protocol issued by ISO a method access control technique for multiple-access transmission media network access standard for connecting stations to a circuit-switched network a method of determining which device has access to the transmission medium at any time None of these a very common bit-oriented data link protocol issued by ISO a method access control technique for multiple-access transmission media network access standard for connecting stations to a circuit-switched network a method of determining which device has access to the transmission medium at any time None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A communications medium that uses pulses of laser light in glass fibers. Select the best fit for answer: Telecommunications processors Fiber optic cables Telecommunications software Cellular phone systems Telecommunications processors Fiber optic cables Telecommunications software Cellular phone systems ANSWER DOWNLOAD EXAMIANS APP
Computer Networking You are trying to decide which type of network you will use at your office, and you want the type that will provide communication and avoid collisions on the cable. Which of the following is the best choice? Token-Ring ARCnet Ethernet CSMA/CA CSMA/CD Token-Ring ARCnet Ethernet CSMA/CA CSMA/CD ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following network access standard is used for connecting stations to a circuit-switched network? None of these X.25 X.3 X.75 X.21 None of these X.25 X.3 X.75 X.21 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The process of converting analog signals into digital signals so they can be processed by a receiving computer is referred to as: synchronizing None of these modulation synchronizing demodulation synchronizing None of these modulation synchronizing demodulation ANSWER DOWNLOAD EXAMIANS APP
Computer Networking When two computers communicate with each other, they send information back and forth. If they are separated by a reasonable distance, they can send and receive the information through a direct cable connection which is called a null-modem connection. Presently what is the maximum distance in metres permitted in this null-modem connection? 150 100 None of these 80 30 150 100 None of these 80 30 ANSWER DOWNLOAD EXAMIANS APP
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