【单选题】数据链路层的任务是将可能有差错的( )链路,改造成对网络层来说是无差错的传送线路。
【简答题】There are two broad types of financial information users:internal users and __________________
【简答题】数据链路层的任务是将可能有差错的( )链路,改造成对网络层来说是无差错的传送线路。
【判断题】Generally speaking, there are two broad categorizations of recruitment, and they are internal recruitment and external recruitment.
【判断题】数据链路层的任务是将可能有差错的物理链路改造成对于网络层来说是无差错的传输线路。
【单选题】There are two broad classes of packet-switched networks: datagram networks and virtual-circuit networks. datagram networks forward packets in their switches use _
D.
virtual-circuit numbers
【判断题】There are two broad levels in the act of reading: a recogniton task and a cognitive task.
【多选题】There are two broad types of teaching methods- _____and______.