Computer Networking A WATS arrangement is less expensive than flat-rate service only when the number of calls is large and the duration of each is short is always less expensive than flat-rate service None of these is less expensive than flat-rate service only when the number of calls is small and the duration of each is long is never less expensive than flat-rate service is less expensive than flat-rate service only when the number of calls is large and the duration of each is short is always less expensive than flat-rate service None of these is less expensive than flat-rate service only when the number of calls is small and the duration of each is long is never less expensive than flat-rate service ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The data-link layer, in reference to the OSI model, specifies the virtual circuit interface to packet-switched service data link procedures that provide for the exchange of data via frames that can be sent and received the interface between the X.25 network and packet mode device All of these None of these the virtual circuit interface to packet-switched service data link procedures that provide for the exchange of data via frames that can be sent and received the interface between the X.25 network and packet mode device All of these None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the default subnet mask for a class B network? 127.0.01 None of these 255.255.255.0 255.0.0.0 255.255.0.0 127.0.01 None of these 255.255.255.0 255.0.0.0 255.255.0.0 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which multiplexing technique shifts each signal to a different carrier frequency? FDM synchronous TDM asynchronous TDM All of these FDM synchronous TDM asynchronous TDM All of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Satellite-Switched Time-Division Multiple Access (SS/TDMA) is 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 a medium access control technique for multiple access transmission media ANSWER DOWNLOAD EXAMIANS APP
Computer Networking TCP is: None of these Connection orientated and reliable Connection orientated and unreliable Connectionless and unreliable Operates at the Data Link layer None of these Connection orientated and reliable Connection orientated and unreliable Connectionless and unreliable Operates at the Data Link layer ANSWER DOWNLOAD EXAMIANS APP