Computer Networks

1171. X.25 protocol exchanged the data control information between

1. A node
2. A user device
3. Both a & b
4. None of these

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1172. X.25 protocol was recommended by CCITT in

1. 1975
2. 1976
3. 1977
4. 1978

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1173. X.25 provides a virtual high-quality digital network at

1. Low cost
2. High cost
3. Medium cost
4. All of these

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1174. X.25 supports two types of packet format named

1. Control packet
2. Data packet
3. Both a & b
4. None of these

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1175. X.25, it was developed for computer connections used for

1. Timesharing connection
2. Terminal connection
3. Both a & b
4. None of these

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