Question Detail A central computer surrounded by one or more computers is called ring networkbus networkstar networkall of above Answer: Option C Similar Questions : 1. First network which was made available IBMm Token Ring 1985Novell NetwareIBM PC Network 1984DECNet 1980 Answer: Option D 2. Routing is done on which layer Datalink LayerSession LayerNetwork layerTransport Layer Answer: Option C 3. Name of the topology in which there are bidirectional links between each possible nodes RingMeshStarTree Answer: Option B 4. Sink means sending unitreceiving unitbroadcastingnone of above Answer: Option B 5. Frequency range 300 kHz to 3 MHz is used for AM radio transmissionFM radio transmissionTV radio transmissionNone of above Answer: Option A Read more from - Networking Basics Questions Answers