Computer Networking The term 'duplex' refers to the ability of the data receiving stations to echo back a confirming message to the sender. In full duplex data transmission, both the sender and the receiver can do one way data transmission only None of these can send or receive data one at a time can receive and send data simultaneously cannot talk at once can do one way data transmission only None of these can send or receive data one at a time can receive and send data simultaneously cannot talk at once ANSWER DOWNLOAD EXAMIANS APP
Computer Networking After coding a document into a digital signal, it can be sent by telephone, telex or satellite to the receiver where the signal is decoded and an exact copy of the original document is made. What is it called? Facsimile None of these Telex Word processor Electronic mail Facsimile None of these Telex Word processor Electronic mail ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A band is always equivalent to a bit a byte 100 bits None of these 16 bits a bit a byte 100 bits None of these 16 bits ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Number of bits per symbol used in Baudot code is 9 5 8 1 None of these 9 5 8 1 None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Carrier is a collection of interconnected functional units that provides a data communications service among stations attached to the network One or more conductors that serve as a common connection for a related group of devices None of these a continuous frequency capable of being modulated or impressed with a second signal the condition when two or more sections attempt to use the same channel at the same time a collection of interconnected functional units that provides a data communications service among stations attached to the network One or more conductors that serve as a common connection for a related group of devices None of these a continuous frequency capable of being modulated or impressed with a second signal the condition when two or more sections attempt to use the same channel at the same time ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following communications modes support two-way traffic but in only one direction of a time? three-quarters duplex simplex full-of the above half-duplex None of these three-quarters duplex simplex full-of the above half-duplex None of these ANSWER DOWNLOAD EXAMIANS APP