Question Detail Which performs modulation and demodulation ModemFiber opticsatellitecoaxial cable Answer: Option A Ad Similar Questions : 1. X.25 standard specifies technique for start-stop datatechnique for dial accessDTE/DCE interfacedata bit rate Answer: Option C 2. A central computer surrounded by one or more computers is called ring networkbus networkstar networkall of above Answer: Option C 3. A communication network which is used over regional, national or global area is LANWANMANVAN Answer: Option B 4. Frequency range 300 kHz to 3 MHz is used for AM radio transmissionFM radio transmissionTV radio transmissionNone of above Answer: Option A 5. In data transmission the bit coding scheme used to represent a byte is typically EBCDICSNAASCIIHexadecimal Answer: Option C Read more from - Networking Basics Questions Answers