what is the first frame sent by the originator? seenagape 8 years ago When an originator QoS STA initiates a BlockAck agreement with a recipient QoS STA, what is the firstframe sent by the originator? A. BlockAckSetupReq B. BlockAckReq C. ADDBA Request D. BlockAckPolicyReq E. ActionBAReq ← Previous question Next question →