A firm uses a PSDN.It has four sites.How many leased lines will it need?
A) none
B) 1
C) 4
D) none of the above
Correct Answer:
Verified
Q25: For their transmission medium,cable television companies primarily
Q27: In coaxial cable,the two conductors _.
A) run
Q32: Two-way amplifiers are needed for cable _
Q42: ATM _.
A)offers speeds in the range of
Q44: In _,switching decisions are based on destination
Q46: Service quality issues with the Internet can
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
Q52: The use of virtual circuits _.
A)reduces costs
B)improves
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