A. fixed header size
B. smaller header size
C. fewer header fields
D. variable header size
第1题:
A、packet、frame、bit、segment
B、frame、bit、segment、packet
C、segment、packet、frame、bit
D、bit、frame、packet、segment
第2题:
A.Packet-basedswitchingdevices
B.VPI/VCI-basedswitchingdevices
C.Non-Packet-baseddevices
D.Noneoftheabove
E.AandB
第3题:
下列哪个消息用于控制器指导交换机的转发行为?
A.OFPT_PACKET_IN
B.OFPT_PACKET_OUT
C.OFPT_HELLO
D.OFPT_FEATURES_REQUEST
第4题:
A. Data, Frame, Packet, Segment, Bit
B. Data, Frame, Segment, Packet, Bit
C. Data, Packet, Frame, Segment, Bit
D. Data, Packet, Segment, Frame, Bit
E. Data, Segment, Frame, Packet, Bit
F. Data, Segment, Packet, Frame, Bit
第5题:
下列选项中,哪个正确的描述了数据封装的顺序
A.Data, frame, packet, segment, bit
B.Segment, data, packet, frame, bit
C.Data, segment, packet, frame, bit
D.Data, segment, frame, packet, bit
第6题:
OSI七层模型在数据封装时正确的协议数据单元排序是:
A.packet、frame、bit、segment
B.frame、bit、segment、packet
C.segment、packet、frame、bit
D.frame、packet、segment