Computer Networking What is the minimum number of wires needed to send data over a serial communication link layer? 1 6 4 2 None of these 1 6 4 2 None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A group of 2m - 1 routers are interconnected in a centralized binary tree, with router at each tree node. Router I communicate with router J by sending a message to the root of the tree. The root then sends the message back down to J. Then find the mean router-router path length. 2 (2m - 1) m - 1 2 (m - 2) (2m - l)/mJ 2 (2m - 1) m - 1 2 (m - 2) (2m - l)/mJ ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Error detection at a data link level is achieved by cyclic redundancy codes Hamming codes None of these equalization bit stuffing cyclic redundancy codes Hamming codes None of these equalization bit stuffing ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Many data communication networks have been established which provide a wealth of on-demand information services to people at home. What is the name of the system which provides an interactive, graphics-rich service that permits user to select what they want? Microwave system Videotex system Fax system Teletex system None of these Microwave system Videotex system Fax system Teletex system None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Satellite-Switched Time-Division Multiple Access (SS/TDMA) is a medium access control technique for multiple access transmission media None of these the method of determining which device has access to the transmission medium at any time. All of these a form of TDMA in which circuit switching is used to dynamically change the channel assignments a medium access control technique for multiple access transmission media None of these the method of determining which device has access to the transmission medium at any time. All of these a form of TDMA in which circuit switching is used to dynamically change the channel assignments ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Different computers are connected to a LAN by a cable and a/an modem telephone lines special wires interface card None of these modem telephone lines special wires interface card None of these ANSWER DOWNLOAD EXAMIANS APP
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