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一个网站喵查铺子（catpuzi.com）全搞定~
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 »
A、4.4 Gbps
B、6.4 Gbps
C、6.8 Gbps
D、8.8 Gbps
喵查答案：8.8 Gbps
……继续阅读 »
A、Traditional Ethernet uses a coaxial cable as a bus to connect multiple nodes
B、Coaxial cables connecting multiple nodes are called “shared media”
C、The phenomenon tha……继续阅读 »
A、Under the same load condition, token network shows good throughput and low transmission delay
B、Under the same scale condition, the cost of token network is generally higher than……继续阅读 »
A、CDMA
B、CSMA
C、CSMA/CD
D、CSMA/CA
喵查答案：CSMA/CA
……继续阅读 »
A、IEEE802.11 supports two basic structural units in the presence of base stations: BSS and ESS
B、An AP of a BSS is a base station with a diameter of less than 100m
C、Through the ro……继续阅读 »
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 »
