Computer Networking Switching at the network layer in the Internet uses the datagram approach to: IP switching Circuit switching Message switching Packet switching IP switching Circuit switching Message switching Packet switching ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following is an example of bounded medium? None of these Coaxial cable All of these Wave guide None of these Coaxial cable All of these Wave guide ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following network types have a designated router and a backup designated router assigned? 1. Broadcast 2. Point-to-point 3. NBMA 4. NBMA point-to-point 1, 2 and 3 3 and 4 1 and 3 All of these 1, 2 and 3 3 and 4 1 and 3 All of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking An example of a medium-speed, switched communications service is DDD Series 1000 All of these Dataphone 50 None of these DDD Series 1000 All of these Dataphone 50 None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The research and development department at your office has been experimenting with different technologies to help improve the performance of the network. One group has been examining the use of a broadband network versus a based band network. Select the correct statement about broadband and baseband. Baseband networks carry a single channel on a single cable, whereas broadband networks carry several channels on a single cable Broadband and baseband refer to the different frequencies at which infrared operates then transmitting signals in certain conditions Baseband refers to local area networks, and broadband refers to wide area networks. Baseband operates at a standard bit rate, whereas broadband may operate at different rates as needed Broadband networks carry several channels on a single cable, whereas in a baseband network several cables carry one channel Baseband networks carry a single channel on a single cable, whereas broadband networks carry several channels on a single cable Broadband and baseband refer to the different frequencies at which infrared operates then transmitting signals in certain conditions Baseband refers to local area networks, and broadband refers to wide area networks. Baseband operates at a standard bit rate, whereas broadband may operate at different rates as needed Broadband networks carry several channels on a single cable, whereas in a baseband network several cables carry one channel ANSWER DOWNLOAD EXAMIANS APP
Computer Networking How much power (roughly) a light-emitting diode can couple into an optical fiber? 100 picowatts 10 milliwatts 100 microwatts 440 microwatts None of these 100 picowatts 10 milliwatts 100 microwatts 440 microwatts None of these ANSWER DOWNLOAD EXAMIANS APP