The use of virtual circuits ________.
A) reduces costs
B) improves reliability
C) both A and B
D) neither A nor B
Correct Answer:
Verified
Q32: Two-way amplifiers are needed for cable _
Q47: A firm uses a PSDN.It has four
Q48: The PSDN transport core normally is drawn
Q49: Frame Relay frames contain _.
A)destination addresses
B)virtual circuit
Q51: Metropolitan area Ethernet is used primarily _.
A)in
Q53: To deliver signals to individual residences,cable television
Q54: Why is metro Ethernet popular?
A)It uses a
Q55: Why is metro Ethernet popular?
A)familiarity
B)rapid reprovisioning
C)both A
Q56: Using the Internet as a WAN is
Q57: Leased line switched WANs typically use _.
A)leased
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