Question Detail First network which was made available IBMm Token Ring 1985Novell NetwareIBM PC Network 1984DECNet 1980 Answer: Option D Similar Questions : 1. A central computer surrounded by one or more computers is called ring networkbus networkstar networkall of above Answer: Option C 2. Loss in signal power as light travels down the fiber is called InterruptionPropagationScatteringAttenuation Answer: Option D 3. A communication network which is used over regional, national or global area is LANWANMANVAN Answer: Option B 4. During networking, the process of processor asking each host that if it want to send message is called queryingsharingcommunicatingpolling Answer: Option D 5. Videotax is combination of communicationtelevisioncomputer technologyall of above Answer: Option D Read more from - Networking Basics Questions Answers