题目
A.simple past tense
B.simple future tense
C.present perfect tense
D.past perfect tense
第1题
A. R3 is an ABR.
B. R3 is not connec ted to the backbone.
C. R3 has four neighbors.
D. R3 is the DR for area 2.
第2题
LTE/EPC网络中,手机成功完成初始化附着后,移动性管理的状态变为()。
A.EMM-Registered
B.ECM Connected
C.ECM Active
D.EMM-Deregisted
第3题
Given the formula: (Fiber Attenuation * Km) + (Splice Attenuation * of Splices) + (Connector Attenuation * of Connectors) + (Optical Fiber or OADM) + Buffer(Fiber aging)) With regard to SONET/SDH optical calculations, what will the given formula provide?()
A. fiber loss
B. OSNR level
C. post amplification
D. index of reflection
E. index of refraction
F. power post amplification budget
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