Computer Networking Which of the following connectivity devices is used to extend a network on a purely mechanical basis? Router Switch Gateway 802.6 Active hub Router Switch Gateway 802.6 Active hub ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Many large organizations with their offices in different countries of the world connect their computers through telecommunication satellites and telephone lines. Such a communication network is called None of these EITHERNET ECONET WAN LAN None of these EITHERNET ECONET WAN LAN 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? 1.5 Mbaud/sec None of these 24 Mbaud/sec 12 Mbaud/sec 6 Mband/sec 1.5 Mbaud/sec None of these 24 Mbaud/sec 12 Mbaud/sec 6 Mband/sec ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Time required for a message to travel from one device to another is known as: Response time Transit time Dialogue time Wait time Response time Transit time Dialogue time Wait time 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. Cable terminators do not absorb the signal properly "Line echo" occurs due to the impedance of the cable Cable terminators do not reflect the signal properly Network collisions occur Repeaters cannot increase the signal strength sufficiently Cable terminators do not absorb the signal properly "Line echo" occurs due to the impedance of the cable Cable terminators do not reflect the signal properly Network collisions occur Repeaters cannot increase the signal strength sufficiently ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What does a switch do when a frame is received on an interface and the destination hardware address is unknown or not in the filter table? Sends back a message to the originating station asking for a name resolution Forwards the switch to the first available link Drops the frame Floods the network with the frame looking for the device Sends back a message to the originating station asking for a name resolution Forwards the switch to the first available link Drops the frame Floods the network with the frame looking for the device ANSWER DOWNLOAD EXAMIANS APP
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