單項(xiàng)選擇題

Refer to the exhibit.

Which recommended practice is applicable？（）

A. If no core layer is deployed， the design will be easier to scale
B. A dedicated campus core layer should be deployed for connecting three or more buildings
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


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2.單項(xiàng)選擇題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 Processors

3.多項(xiàng)選擇題Which two characteristics are true of IVRs？ （）

A. They are known as fabric routing
B. They cannot span multiple switches
C. Their connectivity is supported by Layer 2
D. They enable devices in different VSAN fabrics to communicate
E. They require that multiple switch fabrics be merged before they can function

4.多項(xiàng)選擇題What two descriptions best define DWDM？ （）

A. a WDM system that is compatible with EDFA technology
B. an optical technology for transmitting up to 16 channels over multiple fiber strands
C. an optical technology for transmitting up to 32 channels over multiple fiber strands
D. a technology for transmitting multiple optical signals using less sophisticated transceiver designthen CWDM
E. a technology for transmitting more closely packed optical signals using more sophisticatedtransceiver designs than CWDM

5.單項(xiàng)選擇題

Refer to the exhibit.

The Cisco Nexus 100v in the VMware vSphere solution effectively creates an additional accesslayer in the virtualized data center network， which of the following 1000v characteristics can thedesigner take advantage of？（）

A. Offloads the STP requirement from the external Access layer switches
B. If upstream access switches do not support vPC or VSS the dual-homed ESX host traffic canstill be distributed using virtual port channel host mode using subgroups automatically discoveredthrough CDP
C. Allow transit traffic to be forwarded through the ESX host between VMNICs
D. Can be divided into multiple virtual device contexts for service integration， enhanced security，administrative boundaries， and flexibility of deployment