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 3 and 4 1, 2 and 3 All of these 1 and 3 3 and 4 1, 2 and 3 All of these 1 and 3 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following encapsulates PPP frames in Ethernet frames and uses common PPP features like authentication, encryption, and compression? Token Ring PPP PPPoE PPPoA Token Ring PPP PPPoE PPPoA ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following are layers in the TCP/IP model?1. Application2. Session3. Transport4. Internet5. Data Link6. Physical 3, 4 and 5 1 and 2 1, 3 and 4 2, 3 and 5 3, 4 and 5 1 and 2 1, 3 and 4 2, 3 and 5 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Ethernet networks can be cabled in a number of topologies, depending on what works best in each environment. As more nodes are added, the efficiency of Ethernet decreases. Select the best answer as to why Ethernet becomes less efficient as size increases. "Line echo" occurs due to the impedance of the cable Repeaters cannot increase the signal strength sufficiently Network collisions occur Cable terminators do not absorb the signal properly Cable terminators do not reflect the signal properly "Line echo" occurs due to the impedance of the cable Repeaters cannot increase the signal strength sufficiently Network collisions occur Cable terminators do not absorb the signal properly Cable terminators do not reflect the signal properly ANSWER DOWNLOAD EXAMIANS APP
Computer Networking An error-detecting code inserted as a field in a block of data to be transmitted is known as flow control Checksum Frame check sequence None of these Error detecting code flow control Checksum Frame check sequence None of these Error detecting code ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Devices interconnected by the LAN should include Computers and terminals None of these bridges and gateways mass storage device, printers and plotters All of these Computers and terminals None of these bridges and gateways mass storage device, printers and plotters All of these ANSWER DOWNLOAD EXAMIANS APP
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