Computer Networking Different computers are connected to a LAN by a cable and a/an modem telephone lines special wires None of these interface card modem telephone lines special wires None of these interface card ANSWER DOWNLOAD EXAMIANS APP
Computer Networking You have been contracted to install a windows NT network in an office that is located in a strip mall. The office is located next to the power plant of the building, so a UPS (uninterruptible power supply) has already been installed. What type of cable should you use for the network cabling? Choose the best answer. UTP PSTN STP Fiber-optic TI UTP PSTN STP Fiber-optic TI ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the name given to the exchange of control signals which is necessary for establishing a connection between a modem and a computer at one end of a line and another modem and computer at the other end? Handshaking Duplexing Protocol None of these Modem options Handshaking Duplexing Protocol None of these Modem options ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The birthplace of the World Wide Web is considered to be the Department of Defense Netscape None of these CERN ARPA the Department of Defense Netscape None of these CERN ARPA ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Ethernet and Token-Ring are the two most commonly used network architectures in the world. Jim has heard of the different topologies for networks and wants to choose the architecture that will provide him with the most options. Which of the following would that be? Choose the most correct answer. Token-Ring because it currently can run at both 4Mbps and 16Mbps. This means that it can be used in any topology Neither Token-Ring nor Ethernet is the proper choice. Only ARCnet can be used in all topologies Ethernet, because it can be set up with most topologies and can use multiple transfer speeds Token-Ring, because it uses a MAU Ethernet, because it is cabled using fiber-optic cable Token-Ring because it currently can run at both 4Mbps and 16Mbps. This means that it can be used in any topology Neither Token-Ring nor Ethernet is the proper choice. Only ARCnet can be used in all topologies Ethernet, because it can be set up with most topologies and can use multiple transfer speeds Token-Ring, because it uses a MAU Ethernet, because it is cabled using fiber-optic cable ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The probability that a single bit will be in error on a typical public telephone line using 4800 bps modem is 10 to the power -3. If no error detection mechanism is used, the residual error rate for a communication line using 9-bit frames is approximately equal to 0.999 None of these 0.003 0.009 0.991 0.999 None of these 0.003 0.009 0.991 ANSWER DOWNLOAD EXAMIANS APP
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