單項選擇題

A subscriber makes a two-minute call and a four-minute call during the busy hour. How much traffic does he generate for that hour? （）

A.33 millierlangs
B.66 millierlangs
C.100 millierlangs
D.10 millierlangs
E.25millierlangs

你可能感興趣的試題

單項選擇題

Reusing frequencies in a cellular pattern (compared to “one big cell”)（）

A. Increases channel utilization, cost ,and interference.
B. Increases capacity and cost, but decreases interference.
C. Increases capacity, but decreases cost and interference.
D. Increases capacity, cost, and interference.

單項選擇題

Which cell pattern is recommended to use when using frequency hopping? （）

A.4/12
B.3/9
C.7/21
D.7/7

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