Computer Networking Which of the following network access standard is used for connecting stations to a packet-switched network? X.75 X.25 None of these X.3 X.21 X.75 X.25 None of these X.3 X.21 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking One important characteristic of the hub architecture of ARC-net is alternative routing access control and addressing None of these directionalized transmission multiple virtual networks alternative routing access control and addressing None of these directionalized transmission multiple virtual networks ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Data link layer retransmits the damaged frames in most networks. If the probability of a frame's being damaged is p, what is the mean number of transmissions required to send a frame if acknowledgements are never lost. KIK (1 + F) 1/ (1 - F) K I (K - P) P I (K + 1) None of these KIK (1 + F) 1/ (1 - F) K I (K - P) P I (K + 1) None of these 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? Word processor Facsimile Electronic mail None of these Telex Word processor Facsimile Electronic mail None of these Telex ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Select the cable that uses copper conductor, accept and transport signals in the form of electric current? Fiber-optic cable Twisted pair cable Metallic cable All of these Fiber-optic cable Twisted pair cable Metallic cable All of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following communications modes support two-way traffic but in only one direction of a time? simplex None of these half-duplex full-of the above three-quarters duplex simplex None of these half-duplex full-of the above three-quarters duplex ANSWER DOWNLOAD EXAMIANS APP
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