Which three Layer 2 access designs have all of their uplinks in an active state?（）A、Flex LinksB、loop-free UC、looped squareD、looped triangleE、loop-free inverted U
Which three Layer 2 access designs have all of their uplinks in an active state?（）
- A、Flex Links
- B、loop-free U
- C、looped square
- D、looped triangle
- E、loop-free inverted U
相关考题：
Which three NLRIs can MBGP carry? () A. LDP routesB. IPv6 routesC. RSVP routesD. Layer 2 VPN routesE. Layer 3 VPN routes
In the 7－layer OSI model, which layer switching will take place?() A.Layer twoB.Layer fourC.Layer oneD.Layer three
Which three Layer 2 access designs have all of their uplinks in an active state?() A. Flex LinksB. loop-free UC. looped squareD. looped triangleE. loop-free inverted U
Which three Layer 2 encapsulation types would be used on a WAN rather than a LAN (Choose three.)()。 A.HDLCB.EthernetC.Token RingD.PPPE.FDDIF.Frame Relay
When you design QoS on CE for an MPLS Layer 2 VPN， which three things should be considered？（）A、Layer 2 access link QoS designB、enterprise-to-service-provider mapping modelsC、Layer 3 link access QoS designD、service provider service level agreementsE、Layer 2 link access load balancing
Which of the following are key characteristics of PPP (Choose three.)（）。A、can be used over analog circuitsB、maps Layer 2 to Layer 3 addressC、encapsulates several routed protocolsD、supports IP onlyE、provides error correction
In the 7-layer OSI model, which layer switching will take place?（）A、Layer twoB、Layer fourC、Layer oneD、Layer three
Which three NRIs can MBGP carry？（）A、LDP routesB、IPv6 routesC、RSVP routesD、Layer 2 VPN routesE、Layer 3 VPN routes
Which statement about data center access layer design modes is correct?（）A、The access layer is the first oversubscription point in a data center design.B、When using a Layer 2 loop-free design, VLANs are extended into the aggregation layer.C、When using a Layer 2 looped design, VLANs are not extended into the aggregation layer.D、When using a Layer 3 design,stateful services requiring Layer 2 connectivity are provisioned from the aggregation layer.E、The data center access layer provides the physical-level connections to the server resources and only operates at Layer 3.
Which three Layer 2 encapsulation types would be used on a WAN rather than a LAN? (Choose three.)（）A、HDLCB、EthernetC、Token RingD、PPPE、FDDIF、Frame Relay
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
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.
At a certain customer’s site， a NAS is logically in the traffic path but not physically in the trafficpath. The NAS identifies clients by their IP addresses. In which access mode has this NAS beenconfigured to operate？（）A、 Layer 2 Edge modeB、 Layer 2 Central modeC、 Layer 2 In-Band modeD、 Layer 3 mode
Which three Layer 2 access designs have all of their uplinks in an active state？ （）A、 Flex LinksB、 loop free UC、 looped squareD、 looped triangleE、 loop-tree inverted U
Which three Layer 2 encapsulation types would be used on a WAN rather than a LAN? （）A、HDLCB、EthernetC、Token RingD、PPPE、FDDIF、Frame Relay
多选题In the three-layer hierarchical network design model；what’s associated with the access layer？（）Aoptimized transport structureBhigh port densityCboundary definitionDdata encryptionElocal VLANsFroute summaries
多选题Which three of the protocols below belong to the application layer?（）AARPBHTTPSCSMTPDCDPETFTPFICMP
多选题Which three Layer 2 encapsulation types would be used on a WAN rather than a LAN? (Choose three.)（）AHDLCBEthernetCToken RingDPPPEFDDIFFrame Relay
单选题Which layer in the TCP/IP model is responsible for delivering packets to their destination?（）AApplication LayerBTransport LayerCInternet LayerDNetwork Access Layer
单选题At a certain customer’s site， a NAS is logically in the traffic path but not physically in the trafficpath. The NAS identifies clients by their IP addresses. In which access mode has this NAS beenconfigured to operate？（）A Layer 2 Edge modeB Layer 2 Central modeC Layer 2 In-Band modeD Layer 3 mode
单选题Which of these statements is correct regarding SSO and Cisco NSF?（）AUtilizing Cisco NSF in Layer 2 environments can reduce outages to one to three seconds.BUtilizing SSO in Layer 3 environments can reduce outages to one to three seconds.CDistribution switches are single points of failure causing outages for the end devices.DUtilizing Cisco NSF and SSO in a Layer 2 environment can reduce outages to less than one second.ENSF and SSO with redundant supervisors have the most impact on outages at the access layer.
多选题Which of the following are key characteristics of PPP? (Choose three.)（）Acan be used over analog circuitsBmaps Layer 2 to Layer 3 addressCencapsulates several routed protocolsDsupports IP onlyEprovides error correction
多选题Which three Layer 2 encapsulation types would be used on a WAN rather than a LAN?（）AHDLCBEthernetCToken RingDPPPEFDDIFFrame Relay
单选题Which statement about data center access layer design modes is correct？（）A The access layer is the first oversubscription point in a data center design.B When using a Layer 2 loop-free design， VLANs are extended into the aggregation layer.C When using a Layer 2 looped design， VLANs are not extended into the aggregation layer.D When using a Layer 3 design， stateful services requiring Layer 2 connectivity are provisionedfrom the aggregation layer.E The data center access layer provides the physical-level connections to the server resourcesand only operates at Layer 3.
单选题In the 7-layer OSI model, which layer switching will take place?（）ALayer twoBLayer fourCLayer oneDLayer three
多选题When you design QoS on CE for an MPLS Layer 2 VPN， which three things should be considered？（）ALayer 2 access link QoS designBenterprise-to-service-provider mapping modelsCLayer 3 link access QoS designDservice provider service level agreementsELayer 2 link access load balancing
多选题Which three Layer 2 access designs have all of their uplinks in an active state？ （）AFlex LinksBloop free UClooped squareDlooped triangleEloop-tree inverted U