Communication channel is shared by all the machines on the network in:
Bluetooth is an example of:
A list of protocols used by a system, one protocol per layer, is called:
In which of the following scenarios does Network congestion occur?
Which among the following refers to the physical or logical arrangement of network?
Which among the following topology requires multipoint connection?
Answer: Option 'D'
The point-to-point and Multipoint are two types of line configuration. Both describe a method to connect two or more communication devices in a link. Multipoint connection is used in BUS Topology. All the devices are connected to a single transmission medium, which acts as the Backbone of the connection.
Encryption and Decryption are the functions of __________ layer.
Which of the following describe router functions?
Which physical layer devices can be used to enlarge the area covered by a single LAN segment?
5. RJ45 transceiver
Answer: Option 'C'
A repeater operates at the physical layer. Its job is to regenerate the signal over the same network before the signal becomes too weak or corrupted to extend the length to which the signal can be transmitted over the same network. A hub is basically a multiport repeater. A hub connects multiple wires coming from different branches, for example, the connector in star topology which connects different stations.