What is the nominal voltage required in subscriber loop connected to local exchange?a) +48 voltsb) -48 voltsc) 230 voltsd) 110 volts
To send a data packet using datagram, connection will be establisheda) before data transmission.b) Connection is not established before data transmission.c) No connection is required.d) None of the above.
(c)
Latest Answer : Most of the LANs works in Layer 2, so that No need of Network Layer. When routing comes into picture, Network Layer is required. ...