Which frame field do error detection schemes view to perform their function?（）A、ERRB、FlagC、FCSD、MTUE、MACF、PDU
Which frame field do error detection schemes view to perform their function?（）
- A、ERR
- B、Flag
- C、FCS
- D、MTU
- E、MAC
- F、PDU
相关考题：
A Ezonexam Ethernet switch receives a unicast frame. with a destination MAC that is listed in the switch table. What will this switch do with the frame?A. The switch will forward the frame. to a specific portB. The switch will forward the frame. to all ports except the port on which it was receivedC. The switch will return a copy of the frame. out the source portD. The switch will not forward unicast framesE. The switch will remove the destination MAC from the switch tableF. None of the above.
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Which frame field do error detection schemes view to perform their function?() A. ERRB. FlagC. FCSD. MTUE. MACF. PDU
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Error detection schemes check errors in the data packets by reading which field frame IDs?（）A、MTUB、PDUC、FCSD、FlagE、MACF、BRI
Which switching mode provides the highest level of integrity and error-free transport, rather then maximizing speed?（）A、802.1q forwardingB、VTP transparent modeC、Cut-throughD、Store-and-forwardE、Fragment-freeF、Frame-filtering
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单选题Error detection schemes check errors in the data packets by reading which field frame IDs?（）AMTUBPDUCFCSDFlagEMACFBRI
单选题If a magnetic compass is not affected by any magnetic field other than the Earth’s，which statement is TRUE? （）ACompass error and variation are equalBCompass north will be true northCVariation will equal deviationDThere will be no compass error
多选题ISL is being configured on a Company switch. Which of the following choices are true regarding the ISL protocol？ （）AIt can be used between Cisco and non-Cisco switch devices.BIt calculates a new CRC field on top of the existing CRC field.CIt adds 4 bytes of protocol-specific information to the original Ethernet frame.DIt adds 30 bytes of protocol-specific information to the original Ethernet frame.
单选题One type of frame switching uses low-latency forwarding and then switches to a higher-latency error checking mode when an error threshold is exceeded. What is the name of this frame switching mode?（）Astore and forwardBfragment-freeCadaptive cut-throughDfast-forward
单选题Which Ethernet field is used to differentiate between the FCoE frame and the FIP frame？（）A Ethernet FCSB Source addressC Destination addressD EtherTypeE Protocol type
单选题What will an Ethernet switch do if it receives a unicast frame with a destination MAC that is listed in the switch table（）。AThe switch will not forward unicast frames.BThe switch will forward the frame to a specific port.CThe switch will return a copy of the frame out the source port.DThe switch will remove the destination MAC from the switch table.EThe switch will forward the frame to all ports except the port on which it was received.
多选题Which two of these are characteristics of the 802.1Q protocol?（）Ait is a layer 2 messaging protocol which maintains vlan configurations across network.Bit includes an 8-bit field which specifies the priority of a frame.Cit is used exclusively for tagging vlan frames and dose not address network reconvergence following switched network topology changes.Dit modifies the 802.3 frame header,and thus requires that the FCS be recomputed.Eit is a trunking protocol capable of carring untagged frames.
单选题Which frame field do error detection schemes view to perform their function?（）AERRBFlagCFCSDMTUEMACFPDU