Computer Networking Which layer 1 devices can be used to enlarge the area covered by a single LAN segment?1. Switch2. NIC3. Hub4. Repeater5. RJ45 transceiver All of these 1 and 3 3 and 4 1 only 5 only All of these 1 and 3 3 and 4 1 only 5 only ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following divides the high speed signal into frequency bands? time-division multiplexer modem t-switch None of these frequency-division multiplexer time-division multiplexer modem t-switch None of these frequency-division multiplexer ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The systematic access of small computers in a distributed data processing system is referred to as: multiplexing None of these conversational mode polling dialed service multiplexing None of these conversational mode polling dialed service ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A 6-MHz channel is used by a digital signaling system utilizing 4-level signals. What is the maximum possible transmission rate? 6 Mband/sec 1.5 Mbaud/sec 12 Mbaud/sec None of these 24 Mbaud/sec 6 Mband/sec 1.5 Mbaud/sec 12 Mbaud/sec None of these 24 Mbaud/sec ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A network administrator is connecting hosts A and B directly through their Ethernet interfaces, as shown in the illustration. Ping attempts between the hosts are unsuccessful. What can be done to provide connectivity between the hosts?1. A crossover cable should be used in place of the straight-through cable.2. A rollover cable should be used in place of the straight-through cable.3. The subnet masks should be set to 255.255.255.192.4. A default gateway needs to be set on each host.5. The subnet masks should be set to 255.255.255.0. 3 and 4 only 1 and 5 only 2 only 2 and 5 only 1 only 3 and 4 only 1 and 5 only 2 only 2 and 5 only 1 only ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the usual number of bits transmitted simultaneously in parallel data transmission used by microcomputers? 16 None of these 9 4 8 16 None of these 9 4 8 ANSWER DOWNLOAD EXAMIANS APP
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