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一个网站喵查铺子（catpuzi.com）全搞定~
A、The architecture follows the TCP/IP hierarchy model
B、Transmission medium mainly adopt coaxial cable, twisted pair and optical fiber
C、Transmitting and receiving data frames by s……继续阅读 »
A、Token Bus is a kind of local-area network that uses tokens as control nodes to access the common bus
B、Token is a data frame with a special structure
C、The sequence of token obta……继续阅读 »
A、Nodes in the token ring network form a closed ring structure through a network card and a point-to-point line
B、The data in the ring is transmitted around the ring station along ……继续阅读 »
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、The length of conflict window specified in Ethernet protocol is 51.2 us
B、The data transmission rate in Ethernet is 10Mbps, and the collision window can send 521bit of data
C、64B……继续阅读 »
A、The Ethernet protocol stipulates that the maximum number of retransmissions of a frame is 16
B、Ethernet adopts the cut-off binary exponential backward delay algorithm
C、Backward ……继续阅读 »
A、Frame address error means that the physical address of the received frame is not the address of this site
B、Frame check error means that CRC check is incorrect
C、Frame length err……继续阅读 »
A、Network card coverages MAC sublayer and physical layer of IEEE802.3 protocol
B、Network card realizes the electrical connection with the bus coaxial-cable through the transceiver
……继续阅读 »
A、The physical address of Ethernet is also called MAC address
B、48-bit physical address of Ethernet allows 2 ^ 47 addresses to be assigned
C、The physical address of network card is……继续阅读 »
A、The naming method for physical layer of the standard Ethernet is: IEEE802.3 X Type-Y Name
B、X represents data transmission rate in Mbps
C、Y denotes the maximum length of the netw……继续阅读 »
A、Establishing and maintaining a mapping table representing the corresponding relationship between MAC address and switch-port number
B、Establishing a virtual connection between po……继续阅读 »
