____ is the least universally available.
A) X.25
B) ISDN
C) frame relay
D) SMDS
Correct Answer:
Verified
Q41: _ is intended as an alternative to
Q42: Which is not true about IDSL?
A)It enables
Q43: The essential communications contained in the Q.931
Q44: _ cable is preferred for ISDN cabling.
A)Twisted-pair
Q45: X.25 offers bandwidth up to 2.048 Mbps.
Q47: When using the LMI protocol, the DLCI
Q48: One of the most promising _ projects
Q49: _ incorporates layered communications corresponding to the
Q50: SMDS incorporates layers that correspond to the
Q51: Frame relay is a connection-oriented service.
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