《中华人民共和国侵权责任法》第三十四条第一款讲的是用人单位的工作人员因执行工作任务造成他人损害的,由用人单位承担侵权责任。下列不应由单位承担的侵权责任是()
A. 证券公司的工作人员为客户买卖股票造成客户的损失
B. 公司职员违反规定擅自将车辆开回家,造成第三人的侵害的
C. 某售后服务公司工作人员在服务后返程中,造成他人损害的
D. 某单位职工在上班期间,与同事争吵并把其打伤
Which of the following correctly describe steps in the OSI data encapsulation process?()
A. Transport layer divides a data stream into segments & adds reliability & flow control information
B. Data link layer adds physical source & destination address & an FCS to the segment
C. Packets are created when the network layer encapsulate a frame with source & destination host address& protocol related control information
D. Packets are created when the network layers adds layers 3 address & control information to a segment
E. The presentation layer translated bits into bits into voltages for transmission across the physical link