Which of the following has an altitude of a few thousand miles?
A) GEOs
B) LEOs
C) MEOs
D) none of the above
Correct Answer:
Verified
Q1: A ring topology is attractive because it
Q2: Which of the following is packet-switched?
A)ATM
B)TDM
C)both A
Q5: In data wiring,there needs to be four
Q6: In TDM,there are more frames than slots.
Q9: PSTN signaling in the United States uses
Q10: In TDM,time is first divided into brief
Q12: Incompatibilities between signaling systems in the United
Q17: SONET/SDH applies _ when there is a
Q18: Plenum wiring is needed for _.
A)heavy traffic
Q19: Which of the following is good for
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