When is a first－hop redundancy protocol needed in the distribution layer?() A. when HSRP is not supported by the designB. when multiple vendor devices need to be supportedC. when preempt tuning of the default gateway is neededD. when a robust method of backing up the default gateway is neededE. when the design implements Layer 2 between the access switch and the distribution switchF. when the design implements Layer 3 between the access switch and the distribution switch
When is a first－hop redundancy protocol needed in the distribution layer?()
A. when HSRP is not supported by the design
B. when multiple vendor devices need to be supported
C. when preempt tuning of the default gateway is needed
D. when a robust method of backing up the default gateway is needed
E. when the design implements Layer 2 between the access switch and the distribution switch
F. when the design implements Layer 3 between the access switch and the distribution switch
相关考题：
Which two practices will avoid Cisco Express Forwarding polarization?() A. The core layer should use default Layer 3 hash information.B. The core layer should use default Layer 4 hash information.C. The distribution layer should use default Layer 3 hash information.D. The distribution layer should use default Layer 4 hash information.E. The core layer should use Layer 3 and Layer 4 information as input to the Cisco Expressing Forwarding hashing algorithm.F. The distribution layer should use Layer 3 and Layer 4 information as input into the Cisco Expressing Forwarding hashing algorithm.
Refer to the exhibit. Which recommended practice is applicable?() A. If no core layer is deployed, the design will be easier to scale.B. If no core layer is deployed, there will be fewer cabling requirements.C. If no core layer is deployed, the distribution switches should not be fully meshed.D. A dedicated campus core layer is not needed for connecting fewer than five buildings.E. A dedicated campus core layer should be deployed for connecting three or more buildings.
You are the Cisco Network Designer in Cisco.com. Which of these practices should you follow when designing a Layer 3 routing protocol?() A. Never peer on transit links.B. Build squares for deterministic convergence.C. Build inverted U designs for deterministic convergence.D. Summarize routes at the distribution to the core to limit EIGRP queries or OSPF LSA propagation.
Distribution layer: This layer includes LAN－based routers and layer 3 switches . When is a first－hop redundancy protocol needed in the distribution layer?() A. OSPF is not supported by the designB. HSRP is not supported by the designC. preempt tuning of the default gateway is neededD. the design implements Layer 3 between the access switch and the distribution switch
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
During testing of network redundancy in a fully meshed enterprise campus， a problem has been reported. Both distribution multilayer switches are fully configured for redundancy； clients operate normally when the primary multilayer distribution switch is operating. All clients drop connections outside of their respective access layer group when the primary distribution switch is shut down and the secondary distribution switch is still operational. Additional information indicates that the secondary distribution switch is able to ping major corporate and Internet locations. Which item would be the best point of troubleshooting for this connectivity issue？ （）A、client network configurationB、VLAN mappingC、inter-switch trunk configurationD、UDLD configurationE、first-hop redundancy protocol
What benefit results from implementation of Layer 3 switching versus Layer 2 switching in a fully meshed campus network？（）A、ease of IP address assignment versus use of external routersB、redundancy from trunking between distribution layer switchesC、provides first-hop redundancy to clientsD、allows inter-VLAN communication without requiring complexity of routing protocols
Which of the following is true regarding Label Distribution Protocol （LDP）？（）A、It is a label distribution protocol for MPLSB、It is a set of procedures and messages by which LSRs establish Label Switch Paths （LSPs） through a networkC、Tag distribution Protocol （TDP） was the basis for LDPD、All of the above are true
You need to design router redundancy on the Company network. Which three protocols could be chosen for IP routing redundancy to protect against first-hop router failure？（）A、 GLBPB、 ICMPC、 MSTPD、 HSRPE、 VRRPF、 NHRP
VRRP的全称是：（）A、Virtual Routing Redundancy ProtocolB、Virtual Router Redundancy ProtocolC、Virtual Redundancy Router ProtocolD、Virtual Redundancy Routing Protocol
You want to implement router redundancy in the Company network using the best method available. Which protocol specified by RFC 2281 provides network redundancy for IP networks， ensuring that user traffic immediately and transparently recovers from first-hop failures in network edge devices or access circuits？（）A、 ICMPB、 IRDPC、 HSRPD、 STPE、 None of the other alternatives apply
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
Multi Protocol Label Switching （MPLS） is a data-carrying mechanism that belongs to the family of packet-switched networks. For an MPLS label， if the stack bit is set to1， which option is true？（）A、The stack bit will only be used when LDP is the label distribution protocolB、The label is the last entry in the label stack.C、The stack bit is for Cisco implementations exclusively and will only be used when TDP is the label distribution protocol.D、The stack bit is reserved for future use.
When is a first-hop redundancy protocol needed in the distribution layer?（）A、when HSRP is not supported by the designB、when multiple vendor devices need to be supportedC、when preempt tuning of the default gateway is neededD、when a robust method of backing up the default gateway is neededE、when the design implements Layer 2 between the access switch and the distribution switchF、when the design implements Layer 3 between the access switch and the distribution switch
When is a first-hop redundancy protocol needed in the distribution layer？（）A、 when the design implements Layer 2 between the access arid distribution blocksB、 when multiple vendor devices need to be supportedC、 when preempt tuning of the default gateway is neededD、 when a robust method of backing up the default gateway is neededE、 when the design implements Layer 2 between the access switch and the distribution blocksF、 when the design implements Layer 2 between the access and distribution blocks
单选题What is the most common cause of network congestion？（）Aaggregation congestion occurring at the core layer where the different distribution layer devices feed traffic to the core-layer switchesBspeed mismatches when moving from a low-speed LAN environment to a higher speed WAN environmentCflapping Ethernet interfaces caused by misconfigured LAN interfacesDflapping serial interfaces caused by misconfigured WAN interfacesEspeed mismatches when moving from a high-speed LAN environment to a lower speed WAN environment
单选题Distribution layer: This layer includes LAN-based routers and layer 3 switches . When is a first-hop redundancy protocol needed in the distribution layer?（）AOSPF is not supported by the designBHSRP is not supported by the designCpreempt tuning of the default gateway is neededDthe design implements Layer 3 between the access switch and the distribution switch
单选题When is a first-hop redundancy protocol needed in the distribution layer?（）Awhen HSRP is not supported by the designBwhen multiple vendor devices need to be supportedCwhen preempt tuning of the default gateway is neededDwhen a robust method of backing up the default gateway is neededEwhen the design implements Layer 2 between the access switch and the distribution switchFwhen the design implements Layer 3 between the access switch and the distribution switch
单选题During testing of network redundancy in a fully meshed enterprise campus， a problem has been reported. Both distribution multilayer switches are fully configured for redundancy； clients operate normally when the primary multilayer distribution switch is operating. All clients drop connections outside of their respective access layer group when the primary distribution switch is shut down and the secondary distribution switch is still operational. Additional information indicates that the secondary distribution switch is able to ping major corporate and Internet locations. Which item would be the best point of troubleshooting for this connectivity issue？ （）Aclient network configurationBVLAN mappingCinter-switch trunk configurationDUDLD configurationEfirst-hop redundancy protocol
单选题What benefit results from implementation of Layer 3 switching versus Layer 2 switching in a fully meshed campus network？（）Aease of IP address assignment versus use of external routersBredundancy from trunking between distribution layer switchesCprovides first-hop redundancy to clientsDallows inter-VLAN communication without requiring complexity of routing protocols
多选题You need to design router redundancy on the Company network. Which three protocols could be chosen for IP routing redundancy to protect against first-hop router failure？（）AGLBPBICMPCMSTPDHSRPEVRRPFNHRP
单选题Cisco Express Forwarding (CEF) is mainly used to increase packet switching speed, reducing the overhead and delays introduced by other routing techniques, increasing overall performance.Which of the following concerning CEF is recommended by Cisco?（）AUse default Layer 4 hash in core.BUse default Layer 3 hash in distribution.CUse default Layer 4 hash in distribution.DUse default Layer 3 hash in core and Layer 3 + Layer 4 hash in distribution layer.
单选题You want to implement router redundancy in the Company network using the best method available. Which protocol specified by RFC 2281 provides network redundancy for IP networks， ensuring that user traffic immediately and transparently recovers from first-hop failures in network edge devices or access circuits？（）A ICMPB IRDPC HSRPD STPE None of the other alternatives apply
单选题When is a first-hop redundancy protocol needed in the distribution layer？（）A when the design implements Layer 2 between the access arid distribution blocksB when multiple vendor devices need to be supportedC when preempt tuning of the default gateway is neededD when a robust method of backing up the default gateway is neededE when the design implements Layer 2 between the access switch and the distribution blocksF when the design implements Layer 2 between the access and distribution blocks
单选题You are the Cisco Network Designer in Cisco.com. Which of these practices should you follow when designing a Layer 3 routing protocol?（）ANever peer on transit links.BBuild squares for deterministic convergence.CBuild inverted U designs for deterministic convergence.DSummarize routes at the distribution to the core to limit EIGRP queries or OSPF LSA propagation.
单选题Which of the following is true regarding Label Distribution Protocol （LDP）？（）AIt is a label distribution protocol for MPLSBIt is a set of procedures and messages by which LSRs establish Label Switch Paths （LSPs） through a networkCTag distribution Protocol （TDP） was the basis for LDPDAll of the above are true
单选题Multi Protocol Label Switching （MPLS） is a data-carrying mechanism that belongs to the family of packet-switched networks. For an MPLS label， if the stack bit is set to1， which option is true？（）AThe stack bit will only be used when LDP is the label distribution protocolBThe label is the last entry in the label stack.CThe stack bit is for Cisco implementations exclusively and will only be used when TDP is the label distribution protocol.DThe stack bit is reserved for future use.