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ISDN is a(a) Packet switched network(b) Circuit switched telephone network(c) Packet switched & Circuit switched telephone network(d) None of the mentionedThe question was asked in unit test.Origin of the question is ISDN and Interface topic in chapter Digital Communication of Digital Communications |
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Answer» RIGHT choice is (c) Packet switched & Circuit switched telephone network To EXPLAIN: ISDN is a circuit switched telephone network which also provides access to packet switched network. |
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