At which layer of the OSI model is RSTP used to prevent loops？（）

相似题目

• At which layers of the OSI model do WANs operate? (Choose two.)（）

  A . application layer B . session layer C . transport layer D . network layer E . datalink layer F . physical layer

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• At which layers of the OSI model do WANs operate?（）

  A . application layer B . session layer C . transport layer D . network layer E . datalink layer F . physical layer

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• Which of the protocols below use TCP at the transport layer?（）

  A . TFTP B . SMTP C . SNMP D . FTP E . HTTP F . HTTPS

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• Data transfer is slow between the source and destination. The quality of service requested by the transport layer in the OSI reference model is not being maintained. To fix this issue, at which layer should the troubleshooting process begin?（）

  A . presentation B . session C . transport D . network E . physical

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• At which layers of the OSI model do WANs operate (Choose two.)（）。

  A . application layer B . session layer C . transport layer D . network layer E . datalink layer F . physical layer

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• A computer is connected to the network through a NIC， which has a unique assignment that is called the Ethernet MAC address. Which layer of the OSI model does the MAC address use to communicate with the network？（）

  A .  network B .  application C .  session D .  data link

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• At which layer of the OSI model does the Spanning Tree Protocol （STP） operate at？（）

  A . Layer 5 B . Layer 4 C . Layer 3 D . Layer 2 E . Layer 1

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• A receiving host computes the checksum on a frame and  determines that the frame is damaged.Theframe is then discarded.At which OSI layer did this happen？（）

  A . session B . network C . physical D . data link E . transport

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• Which three of the following OSI model layers also belong to the TCP/IP model?（）

  A . The application layer B . The session layer C . The data link layer D . The transport layer E . The network interface layer F . The physical layer

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• Refer to the exhibit. An administrator pings the default gateway at 10.10.10.1 and sees the output as shown. At which OSI layer is the problem?（）https://assets.asklib.com/images/image2/2018072409560147847.jpg

  A . data link layer B . application layer C . access layer D . session layer E . network layer

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• At Layer 2 of the OSI model, which component connects a host to the network media?（）

  A . Hub B . Switch C . Bridge D . NIC E . Transceiver

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• In the 7-layer OSI model, which layer switching will take place?（）

  A . Layer one B . Layer two C . Layer three D . Layer four

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• In the OSI model, at which layers do WANs operate at?（）

  A . Applicationlayer B . Presentationlayer C . Sessionlayer D . Transportlayer E . Networklayer F . Datalinklayer G . Physicallayer

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• Which layer in the OSI reference model is responsible for determining the availability of the receiving program and checking to see if enough resources exist for that communication? （）

  A . transport B . network C . presentation D . session E . applicatio

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• The TCP/IP network model differs from the more popular OSI model. Which of the layers below belong to the TCP/IP model?（）

  A . application layer B . session layer C . transport layer D . internet layer E . network layer F . data link layer G . physical layer

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• Which of the following layers of the TCP/IP model most closely corresponds to the network layer of the OSI model?（）

  A . Application B . Internet C . Transport D . Network E . Data Link

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• Which layer of the OSI reference model is responsible for ensuring reliable end-to-end delivery of data?（）

  A . Application B . Presentation C . Session D . Transport E . Network F . Data-Link

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• Which of the following are associated with the application layer of the OSI model？（two.）（）

  A . ping B . Telnet C . FTP D . TCP E . IP

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• At which OSI layer is a logical path created between two host systems（）。

  A . session B . transport C . network D . data link E . physical

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• Refer to the exhibit. At the end of an RSTP election process, which access layer switch port will assume the discarding role?（）https://assets.asklib.com/images/image2/2018072317314615527.jpg

  A . Switch3, port fa0/1 B . Switch3, port fa0/12 C . Switch4, port fa0/11 D . Switch4, port fa0/2 E . Switch3, port Gi0/1 F . Switch3, port Gi0/2

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• Which of the following are associated with the application layer of the OSI model (Choose two.)（）。

  A . ping B . Telnet C . FTP D . TCP E . IP

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• At which OSI layer is a logical path created between two host systems?（）

  A . session B . transport C . network D . data link E . physical

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• In the OSI model, at which layers do WANs operate at？（）

  A．Applicationlayer B．Presentationlayer C．Sessionlayer D．Transportlayer E．Networklayer F．DatalinklayerG.Physicallayer

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