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多选题
avoid Layer 2 loops. Which two of the following are most probably the reasons for that preference?（）
A
Information about port roles is sent to all switches.
B
RSTPs that are based on Cisco products require no additional configuration.
C
Features such as UplinkFast and BackboneFast are compatible with RSTP.
D
An RSTP that is based on Cisco products generally performs better than the Cisco proprietary 802.1D enhancements.
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更多 “多选题avoid Layer 2 loops. Which two of the following are most probably the reasons for that preference?（）AInformation about port roles is sent to all switches.BRSTPs that are based on Cisco products require no additional configuration.CFeatures such as UplinkFast and BackboneFast are compatible with RSTP.DAn RSTP that is based on Cisco products generally performs better than the Cisco proprietary 802.1D enhancements.” 相关考题
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Regarding DHCP (dynamic host configuration protocol), which two of the following choices below are true? (Select two answer choices)A. The DHCP Discover message uses FF-FF-FF-FF-FF as the Layer 2 destination address.B. The DHCP Discover message uses UDP as the transport layer protocol.C. The DHCP Discover message uses a special Layer 2 multicast address as the destination address.D. The DHCP Discover message uses TCP as the transport layer protocol.E. The DHCP Discover message does not use a Layer 2 destination address.F. The DHCP Discover message does not require a transport layer protocol.
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As a CCNA candidate, you will be expected to know the OSI model very well. Which of the following are associated with the application layer (layer 7) of the OSI model? (Choose two)A. TCPB. TelnetC. FTPD. PingE. IPF. UDP
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Which of the following is MOST likely a managed, Layer 3 device?()
A.RouterB.BridgeC.HubD.Switch
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Which of the following layers is associated with the physical hardware address of a network node?()
A.Layer 1B.Layer 2C.Layer 6D.Layer 7
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Which of the following wireless standards can be used to avoid the 2.4GHz range?() (Select TWO).
A.802.11gB.802.1XC.802.11bD.802.1nE.802.11a
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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.ApplicationB.InternetC.TransportD.NetworkE.Data Link
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Which one of the following is the most commonly used layer 2 network device?()
A. HubB. BridgeC. SwitchD. RouterE. RepeatersF. None of the above
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Which two of these are correct regarding the recommended practice for distribution layer design based on the following configuration?()
A. use a Layer 2 link between distribution switchesB. use a Layer 3 link between distribution switchesC. use a redundant link to the coreD. use a Layer 3 link between distribution switches with route summarization
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Which of the following are associated with the application layer of the OSI model (Choose two.)()。
A.pingB.TelnetC.FTPD.TCPE.IP
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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、ApplicationB、InternetC、TransportD、NetworkE、Data Link
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Which of the following are associated with the application layer of the OSI model (Choose two.)（）。A、pingB、TelnetC、FTPD、TCPE、IP
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Which of the following layers is associated with the physical hardware address of a network node?（）A、Layer 1B、Layer 2C、Layer 6D、Layer 7
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Which of the following are associated with the application layer of the OSI model？（two.）（）A、pingB、TelnetC、FTPD、TCPE、IP
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In which two locations in an enterprise network can an IPS sensor be placed？ （）A、 bridging VLANs on two switchesB、 bridging two VLANs on one switchC、 between two Layer 2 devices with trunkingD、 between two Layer 2 devices without trunkingE、 between a Layer 2 device and a Layer 3 device with trunking
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Which of the following is true concerning best design practices at the switched Access layer of thetraditional layer2 Enterprise Campus Network？（）A、 Cisco NSF with SSO and redundant supervisors has the most impact on the campus in theAccess layerB、 Provides host-level redundancy by connecting each end device to 2 separate Access switches C、 Offer default gateway redundancy by using dual connections from Access switches toredundant Distribution layer switches using a FHRPD、 Include a link between two Access switches to support summarization of routing information
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Which one of the following is the most commonly used layer 2 network device?（）A、HubB、BridgeC、SwitchD、RouterE、RepeatersF、None of the above
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Which two statements about VPLS are true？ （）A、There is a full mesh of pseudowires.B、There is a partial mesh of pseudowires.C、Only L2TPv3 can be used for pseudowire establishment.D、There is split-horizon to avoid loops.
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An administrator attempts to open a web page and sees the following error: 'Error 404: Page not found'. The administrator then uses the ping command and finds that the default gateway cannot be pinged. At which of the following layers does the problem MOST likely reside?（）A、Layer 1B、Layer 4C、Layer 5D、Layer 7
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Which of the following network devices should be installed at a data center to intelligently distribute client connections to a pool of servers?（）A、A proxy serverB、A load balancerC、A layer two switchD、A multilayer switch
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多选题Which of the following wireless standards can be used to avoid the 2.4GHz range?（） (Select TWO).A802.11gB802.1XC802.11bD802.1nE802.11a
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单选题Which one of the following is the most commonly used layer 2 network device?（）A
HubB
BridgeC
SwitchD
RouterE
RepeatersF
None of the above
考题
多选题In which two locations in an enterprise network can an IPS sensor be placed?（）Abridging VLANs on two switchesBbridging two VLANs on one switchCbetween two Layer 2 devices withtrunkingDbetween two Layer 2 devices withouttrunkingEbetween a Layer 2 device and a Layer 3 device withtrunking
考题
单选题Which of the following layers of the TCP/IP model most closely corresponds to the network layer of the OSI model?（）A
ApplicationB
InternetC
TransportD
NetworkE
Data Link
考题
多选题Which two statements about VPLS are true？ （）AThere is a full mesh of pseudowires.BThere is a partial mesh of pseudowires.COnly L2TPv3 can be used for pseudowire establishment.DThere is split-horizon to avoid loops.
考题
多选题In which two locations in an enterprise network can an IPS sensor be placed？（）Abridging VLANs on two switchesBbridging two VLANs on one switchCbetween two Layer 2 devices with trunkingDbetween two Layer 2 devices without trunkingEbetween a Layer 2 device and a Layer 3 device with trunking
考题
单选题Which of the following is MOST likely a managed, Layer 3 device?（）A
RouterB
BridgeC
HubD
Switch
考题
多选题Which of the following are associated with the application layer of the OSI model？（two.）（）ApingBTelnetCFTPDTCPEIP
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