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.
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A. Partitioning of network resources is enabled.
B. VRFs cannot support path isolation from MAN/WAN designs.
C. VRFs cannot be used to map a virtualized data center to a MPLS implementation.
D. VRFs do not allow for the use of application services with multiple access topologies.
E. An access design using a VRF allows for an aggregation layer service module solution.
A. Troubleshooting is more complicated.
B. Service and switch modules are underutilized.
C. Layer 2 adjacency is required with the servers that use this design.
D. Layer 3 adjacency is required with the servers that use this design.
E. Load balancing will always occur across both access layer uplinks.
A. Summarize data center subnets.
B. Use passive interfaces to ensure appropriate adjacencies.
C. Tune the EIGRP timers to enable EIGRP to achieve quicker convergence.
D. Adjust the default bandwidth value to ensure proper bandwidth on all links.
E. Advertise a default summary route into the data center core from the aggregation layer.
A. Never use passive interfaces.
B. Use NSSA areas from the core down.
C. Use totally stub areas to stop type 3 LSAs.
D. Use the lowest Ethernet interface IP address as the router ID.
E. Tune OSPF timers to enable OSPF to achieve quicker convergence
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.
A. ASM
B. BiDir PIM
C. PIM-SM RP
D. RP-Switchover
E. Source Specific Multicast
A. 0
B. 1
C. 2
D. 4
E. 16
F. infinity
Refer to the exhibit. Which two statements are correct regarding the creation of a multicas tdistribution tree？ （）
A. Each router determines where to send the JOIN request.
B. The tree will be built based on the IP address of the E2 interface on router E
C. The best path to the source will be discovered in the unicast routing table on router B
D. The best path to the source will be discovered in the unicast routing table on router C
E. The best path to the source will be discovered in the unicast routing table on router E
A. a single host
B. a subset of hosts
C. all hosts sequentially
D. all hosts simultaneously
A. TCP 502
B. TCP 514
C. TCP 520
D. UDP 502
E. UDP 514
F. UDP 520
最新試題
Which path selection protocol is used by Fibre Channel fabrics？（）
Which two design recommendations are most appropriate when EIGRP is the data center corerouting protocol？ （）
Which two statements about an interface configured with the asr-group command are correct？ （）
How many channels are defined in the IEEE 802.11b DSSS channel set？（）
During consultation， you find that a customer has only a single asset closet and is looking for asolution that is easy to deploy. Which NAS physical deployment model would you suggest to this customer？（）
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？（）
Which two statements about zoning are correct？（）
Which statement about Fibre Channel communications is correct？（）
Which signal and noise values will result in the best phone communication with an access point？（）
Which two design recommendations are most appropriate when OSPF is the data center core routing protocol？ （）