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
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 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
相关考题：
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.
Which of the following is the correct configuration for a RAID 5 array?() A. A two disk set with one data stripB. A three disk set with two data strips and a parity stripC. A two disk set with two data stripsD. A four disk set with two sets of data strips
Refer to the exhibit. Which two statements about the topologies shown are correct?() A. Design 1 is a looped triangle design.B. Design 2 is a looped triangle design.C. Design 2 achieves quick convergence using RSTP.D. Both designs supportstateful services at the aggregation layer.E. Design 2 is the most widely deployed in enterprise data centers.
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.
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 of the following is a characteristic of a data center core？（）A、 Server-to-server traffic always remains in the core layer.B、 The recommended practice is for the core infrastructure to be in Layer 3.C、 The boundary between Layer 2 and Layer 3 should be implemented in the aggregation layer.D、 The Cisco Express Forwarding hashing algorithm is the default， based on the IP address andLayer 4 port.E、 Core layer should run BGP along with an IGP because iBGP has a lower administrativedistance than any IGP.
Which of these recommended designs provides the highest availability?（）A、map the Layer 2 VLAN number to the Layer 3 subnetB、control route propagation to edge switches using distribute listsC、use a Layer 2 distribution interconnection link with HSRP or GLBPD、use a Layer 3 distribution interconnection link with HSRP or GLBPE、use equal-cost Layer 3 load balancing on all links to limit the scope of queries in EIGRP
To which switch or switches should you provide redundant links in order to achieve high availability with reliable fast convergence in the enterprise campus？（）A、 to a core switch running Cisco NSF and SSO from redundant distribution switches connected with a Layer 2 linkB、 to a core switch running Cisco NSF and SSO from redundant distribution switches connected with a Layer 3 linkC、 to two core switches from redundant distribution switches connected with Layer 2 linkD、 to two core switches from redundant distribution switches connected with Layer 3 linkE、 to two core switches running Cisco NSF and SSO from two redundant distribution switches running Cisco NSF and SSO
Which of the following is a characteristic of a data center core?（）A、Server-to-server traffic always remains in the core layer.B、The recommended practice is for the core infrastructure to be in Layer 3.C、The boundary between Layer 2 and Layer 3 should be implemented in the aggregation layer.D、The Cisco Express Forwarding hashing algorithm is the default, based on the IP address and Layer 4 port.E、Core layer should run BGP along with an IGP becauseiBGP has a lower administrative distance than any IGP.
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
Which of the following is the correct configuration for a RAID 5 array?（）A、A two disk set with one data stripB、A three disk set with two data strips and a parity stripC、A two disk set with two data stripsD、A four disk set with two sets of data strips
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
A network design shows that R1 has four different possible paths from itself to the Data Center subnets. Which of the following can influence which o f those routes become feasible successor routes, assuming that you follow the Cisco recommended practice of not changing metric weights？（）A、The configuration of EIGRP offset listsB、Current link loadsC、Changing interface delay settingsD、Configu ration of variance
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
You need to design the VLAN scheme for the Company network. Which two statements are true about best practices in VLAN design？（）A、Routing should occur at the access layer ifvoice VLANs are utilized. Otherwise， routing should occur at the distribution layer.B、Routing should always be performed at the distribution layer.C、VLANs should be localized to a switch.D、VLANs should be localized to a single switch unlessvoice VLANs are being utilized.E、Routing should not be performed between VLANs located on separate switches.
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Which of the following is a characteristic of a data center core？（）A Server-to-server traffic always remains in the core layer.B The recommended practice is for the core infrastructure to be in Layer 3.C The boundary between Layer 2 and Layer 3 should be implemented in the aggregation layer.D The Cisco Express Forwarding hashing algorithm is the default， based on the IP address andLayer 4 port.E Core layer should run BGP along with an IGP because iBGP has a lower administrativedistance than any IGP.
单选题Which of the following is a characteristic of a data center core?（）AServer-to-server traffic always remains in the core layer.BThe recommended practice is for the core infrastructure to be in Layer 3.CThe boundary between Layer 2 and Layer 3 should be implemented in the aggregation layer.DThe Cisco Express Forwarding hashing algorithm is the default, based on the IP address and Layer 4 port.ECore layer should run BGP along with an IGP becauseiBGP has a lower administrative distance than any IGP.
多选题Which two statements regarding configuring high availabily in the Cisco UCS is correct?（）AHigh availability is enabled during the configuration of either HSRP or VRRP from global configuration modeBHigh availability is configured during the initial setup of both Fabric interconnectsCHigh availability can only be configured via the CMCDHigh availability is enabled during theinitial configuration of one of the Fabric lnterconnects
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.
多选题A network design shows that R1 has four different possible paths from itself to the Data Center subnets. Which of the following can influence which o f those routes become feasible successor routes, assuming that you follow the Cisco recommended practice of not changing metric weights？（）AThe configuration of EIGRP offset listsBCurrent link loadsCChanging interface delay settingsDConfigu ration of variance
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.
多选题You need to design the VLAN scheme for the Company network. Which two statements are true about best practices in VLAN design？（）ARouting should occur at the access layer ifvoice VLANs are utilized. Otherwise， routing should occur at the distribution layer.BRouting should always be performed at the distribution layer.CVLANs should be localized to a switch.DVLANs should be localized to a single switch unlessvoice VLANs are being utilized.ERouting should not be performed between VLANs located on separate switches.
单选题Which of these recommended designs provides the highest availability?（）Amap the Layer 2 VLAN number to the Layer 3 subnetBcontrol route propagation to edge switches using distribute listsCuse a Layer 2 distribution interconnection link with HSRP or GLBPDuse a Layer 3 distribution interconnection link with HSRP or GLBPEuse equal-cost Layer 3 load balancing on all links to limit the scope of queries in EIGRP
单选题Cisco Express Forwarding （CEF） is mainly used to increase packet switching speed， reducing theoverhead and delays introduced by other routing techniques， increasing overall performance.Which of the following concerning CEF is recommended by Cisco？（）A Use default Layer 4 hash in core.B Use default Layer 3 hash in distribution.C Use default Layer 4 hash in distribution.D Use default Layer 3 hash in core and Layer 3 + Layer 4 hash in distribution layer.
单选题To which switch or switches should you provide redundant links in order to achieve high availability with reliable fast convergence in the enterprise campus？（）A to a core switch running Cisco NSF and SSO from redundant distribution switches connected with a Layer 2 linkB to a core switch running Cisco NSF and SSO from redundant distribution switches connected with a Layer 3 linkC to two core switches from redundant distribution switches connected with Layer 2 linkD to two core switches from redundant distribution switches connected with Layer 3 linkE to two core switches running Cisco NSF and SSO from two redundant distribution switches running Cisco NSF and SSO
单选题Which of the following is not a recommended safe practice?（）ASecuring equipment against slipping or driftingBOperating machinery at its recommended speedCRepairing loose handles on tools before usingDUsing tools for purpose for which they are not designed