快乐学习
一个网站喵查铺子（catpuzi.com）全搞定~
A、IEEE 802.3 defines CSMA/CD bus access-control sublayer and physical layer
B、IEEE 802.11 defines the standard of access-control sublayer and physical layer for WLAN
C、IEEE 802.15 ……继续阅读 »
A、Propagation delay is equal to D/V
B、The value of “conflict window” is equal to D/V
C、Within 2 times the propagation delay, the conflicting data frame can be propagate……继续阅读 »
A、The “type field” specified in the 802.3 corresponds to the “type/length field” of Ethernet V2.0 frames
B、No length field is set in DIX frames, and the rec……继续阅读 »
A、IEEE 802.1 Q extends the Ethernet frame with the length and type fields in the frame head
B、TCI is divided into three parts: priority, CFI and VID
C、TPID value is 0x8100
D、VID va……继续阅读 »
A、The source node sending the frame is responsible for routing
B、It is a plug-and-play LAN interconnection device
C、Generating and maintaining that bridge forward table by self-lea……继续阅读 »
A、正确
B、错误
喵查答案：正确
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A、正确
B、错误
喵查答案：错误
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A、正确
B、错误
喵查答案：正确
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A、正确
B、错误
喵查答案：正确
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A、正确
B、错误
喵查答案：错误
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A、d
B、d+1
C、d+2
D、2d +1
喵查答案：2d +1
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A、Hamming
B、CRC
C、Horizontal vertical parity check code
D、Horizontal or vertical parity check code
喵查答案：CRC
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A、Only the data link layer has flow control
B、Not only the data link layer has flow control, but the flow control objects of each layer are the same
C、Not only does the data link l……继续阅读 »
A、Connectivity-oriented service with confirmation
B、Connectivity-free service without confirmation
C、Confirmed Connectionless Service
D、Confirmed Connectionless Service
喵查答案：Connec……继续阅读 »
A、Frame synchronization function
B、Circuit management function
C、Error control function
D、Flow control function
喵查答案：Circuit management function
……继续阅读 »
