Which two of these correctly describe Fibre Channel？（）

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• Which two of these are characteristics of Metro Ethernet？（）

  A .  class of service B .  bandwidth profiles C .  user-network interface D .  Ethernet LAN circuit attributes E .  Ethernet virtual circuit attribute

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• Which two of these are correct regarding access control lists？ （Choose two.）  （）

  A .  An ACL can be applied to multiple interlaces. B .  An ACL wildcard mask is identical to an IP subnet mask. C .  There may be multiple ACLs per protocol， per direction， and per interface. D .  There is an "implicit deny" at the end of an ACL and will result in a dropped packet. E .  An ACL acts on all packets， those flowing thru the router and those originated by the router itself. F .  An ACL will be processed from top to bottom and may have multiple matches that will act on the packet that is being tested.

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• Which of these is a correct description of SSO？（）

  A .  It will only become active after a software failure. B .  It will only become active after a hardware failure. C .  It requires that Cisco NSF be enabled in order to work successfully. D .  It synchronizes the MAC·， FIB·， and adjacency tables between Active and Standby RouteProcessors.

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• Which three of these statements regarding 802.1Q trunking are correct？（）

  A . 802.1Q native VLAN frames are untagged by default. B . 802.1Q trunking ports can also be secure ports. C . 802.1Q trunks can use 10 Mb/s Ethernet interfaces. D . 802.1Q trunks require full-duplex， point-to-point connectivity. E . 802.1Q trunks should have native VLANs that are the same at both ends.

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• Which two of these are characteristics of MPLS VPNs？ （）

  A .  Layer 3 MPLS VPNs can forward only IP packets B .  Layer 2 MPLS VPNs can forward any network protocol C .  MPL S label paths are automatically formed based on Layer 2 frames D .  Layer 3 MPLS VPNs can forward any network protocol based on Layer 2 frames E .  In Layer 2 MPLS VPNS， the service provider controls the customer Layer 3 policie

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• Referring to the partial Cisco Catalyst switch configuration shown, which two of these statements are correct? （）(Choose two.)https://assets.asklib.com/images/image2/2018073115240950850.jpg

  A . A router connected to the fastethemet 1/4 interface will be able to communicate with hosts connected to interface fastethemet 1/1,1/2, and 1/3. B . A router connected to the fastethemet 1/4 interface will not be able to communicate with the host connected to interface fastethemet 1/3. C . Hosts connected to interface fastethemet 1/1 and 1/2 can communicate with each other. D . Hosts connected to interface fastethemet 1/1,1/2, and 1/3 can communicate with each other.

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• Which two of these statements correctly describe classic PIM-SM？（）

  A . The IOS default is for a last-hop router to trigger a switch to the shortest path tree as soon as a new source is detected on the shared tree. B . The IOS default is for every one of the routers on the shared tree to trigger a switch to the shortest path tree as soon as a new source is detected on the shared tree. C . The default behavior of switching to the shortest path tree as soon as a new source is detected on the shared tree can be disabled by setting the value in the ip pim spt-threshold command to "infinity." D . The default behavior of switching to the shortest path tree as soon as a new source is detected on the shared tree can be disabled by setting the value in the ip pim spt-threshold command to "zero.&quot

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• Which of these statements is correct regarding SSO and Cisco NSF?（）

  A . Utilizing Cisco NSF in Layer 2 environments can reduce outages to one to three seconds. B . Utilizing SSO in Layer 3 environments can reduce outages to one to three seconds. C . Distribution switches are single points of failure causing outages for the end devices. D . Utilizing Cisco NSF and SSO in a Layer 2 environment can reduce outages to less than one second. E . NSF and SSO with redundant supervisors have the most impact on outages at the access layer.

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• Which three of these statements regarding 802.1Q trunking are correct?（）

  A . 802.1Q native VLAN frames are untagged by default. B . 802.1Q trunking ports can also be secure ports. C . 802.1Q trunks can use 10 Mb/s Ethernet interfaces. D . 802.1Q trunks require full-duplex, point-to-point connectivity. E . 802.1Q trunks should have native VLANs that are the same at both ends.

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• Which two of these correctly describe Fibre Channel? （）

  A . supports multiple protocols B . works only in a shared or loop environment C . allows addressing for up to 4 million nodes D . allows addressing for up to 8 million nodes E . provides a high speed transport for SCSI payloads F . may stretch to a distance of up to100 km before needing extender

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• Which of these is a correct description of Stateful Switchover？（）

  A .  It will only become active after a software failure B .  It will only become active after a hardware failure C .  It requires that Cisco N3F· be enabled in order to work successfully D .  It synchronizes the MAC·， FIB·， and adjacency tables between Active and Standby Route Processor

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• Which three of these statements about Dynamic Trunking Protocol are correct？（）

  A .  It supports autonegotiation for both ISL and IEEE 802.1Q trunks. B .  It must be disabled on an interface if you do not want the interface to work as a trunk or start negotiation to become a trunk. C .  It is a point-to-multipoint protocol. D .  It is a point-to-point protocol. E .  It is not supported on private VLAN ports or tunneling ports.

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• Which two of these statements regarding RSTP are correct？（）

  A . RSTP cannot operate with PVST+. B . RSTP defines new port roles. C . RSTP defines no new port states. D . RSTP is a proprietary implementation of IEEE 802.1D STP. E . RSTP is compatible with the original IEEE 802.1D STP.

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• Which two of these correctly describe asymmetric routing and firewalls?（）

  A . only operational in routed mode B . only operational in transparent mode C . only eight interfaces can belong to an asymmetric routing group D . operational in both failover and non-failover configurations E . only operational when the firewall has been configured for failover

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• Which two of these are correct regarding the recommended practice for distribution layer design based on the following configuration?（）https://assets.asklib.com/images/image2/2018072517001112103.jpg

  A . use a Layer 2 link between distribution switches B . use a Layer 3 link between distribution switches C . use a redundant link to the core D . use a Layer 3 link between distribution switches with route summarizatio

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• Which two of these are characteristics of Metro Ethernet? （）

  A . class of service B . bandwidth profiles C . user-network interface D . Ethernet LAN circuit attributes E . Ethernet virtual circuit attribute

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• Which of these statements is correct regarding SSO and Cisco NSF？（）

  A .  Utilizing Cisco NSF in Layer 2 environments can reduce outages to one to three seconds. B .  Utilizing SSO in Layer 3 environments can reduce outages to one to three seconds. C .  Distribution switches are single points of failure causing outages for the end devices. D .  Utilizing Cisco NSF and SSO in a Layer 2 environment can reduce outages to less than onesecond. E .  NSF and SSO with redundant supervisors have the most impact on outages at the accesslayer.

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• Refer to the exhibit. Which two of these statements are correct? (Choose two.)（）https://assets.asklib.com/images/image2/2018073115210080716.jpg

  A . PE11 originated label 20. B . PE11 originated label 21. C . ThePE11 upstream neighbor originated label 21. D . The PE11 downstream neighbor originated label 20. E . PE11 will append label 21 to incoming packets labeled 32. F . PE11 will impose label 20 on incoming packets labeled 32.

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• Refer to the exhibit. Which two of these are correct regarding the recommended practice for distribution layer design？（）https://assets.asklib.com/images/image2/2018072517265678604.jpg

  A . use a redundant link to the core B . use a Layer 2 link between distribution switches C . never use a redundant link to the core because of convergence issues D . use a Layer 3 link between distribution switches with route summarization E . use a Layer 3 link between distribution switches without route summarizatio

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• Refer to the exhibit. Analyze the two traceroutes that are displayed. Which of these statements is correct in describing what most likely caused the traceroute differences?（）https://assets.asklib.com/images/image2/201807311525043528.jpg

  A . Do not fragment has been configured on PE11. B . MPLS has been disabled on routers P11 and P12. C . An access list has been created on P11 to block traceroutes from PE11. D . The no mpls ip propgate-ttl local command has been configured on PE11 E . ICMP has been disabled on the intermediary routers between PE11 and PE12.

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• Which two of these statements regarding RSTP are correct?（）

  A . RSTP cannot operate with PVST+. B . RSTP defines new port roles. C . RSTP defines no new port states. D . RSTP is a proprietary implementation of IEEE 802.1D STP. E . RSTP is compatible with the original IEEE 802.1D STP.

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• Which two of these correctly describe asymmetric routing and firewalls？ （）

  A .  only operational in routed mode B .  only operational in transparent mode C .  only eight interfaces can belong to an asymmetric routing group D .  operational in both failover and non-failover configurations E .  only operational when the firewall has been configured for failover

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• Which two of these are correct regarding the recommended practice for distribution layer design based on the following configuration？（）

  <img src='https://img2.soutiyun.com/ask/uploadfile/2019-03-27/876248999433f0d62dae02333dece382.jpg' /> A. use a Layer 2 link between distribution switches B. use a Layer 3 link between distribution switches C. use a redundant link to the core D. use a Layer 3 link between distribution switches with route summarization

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