2013年6月19日星期三

Free download of the best Cisco certification 642-992 exam training materials

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Exam Code: 642-992

Exam Name: Cisco (Data Center Unified Fabric Solutions Implementation (DCUFI) )

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NO.1 Which statement about the management interface in the Cisco Nexus 7000 architecture is true?
A. One mgmt0 interface is accessible from any VDC.
B. Multiple mgmt0 interfaces exist, one per management VRF.
C. Multiple mgmt0 interfaces exist, one per management VDC.
D. The mgmt0 interface exists in the default VRF until it is assigned to another VRF.
Answer: A

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NO.2 VACLs support which two actions? (Choose two.)
A. log
B. block
C. inspect
D. forward
E. redirect
Answer: D,E

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NO.3 How many paths can be considered in NX-OS for equal-cost multipathing?
A. 4
B. 8
C. 12
D. 16
Answer: D

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NO.4 On a Cisco NX-OS switch, what is the role of the kickstart image?
A. provide kernel services
B. provide driver services
C. provide control plane services
D. provide access services
Answer: A

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NO.5 Which component of the Cisco Nexus 7018 architecture provides out-of-band management, an
always-on microprocessor for disaster recovery, and remote restart capabilities?
A. Fabric Module
B. control plane with auxiliary port
C. dedicated supervisor engine
D. Connectivity Management Processor
Answer: D

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NO.6 Which two enhanced Ethernet features are required for FCoE? (Choose two.)
A. multicast multipathing
B. enhanced transmission selection
C. priority flow control
D. congestion notification
E. virtual interface group
Answer: B,C

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NO.7 Which command enables uRPF in strict mode in the latest Cisco IOS release?
A. ip verify unicast reverse-path
B. ip verify unicast source reachable-via rx
C. ip verify unicast source reachable-via any
D. ip verify unicast any reachable-via strict
Answer: B

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NO.8 Which three of these statements are true about the M1 32-port, 10-Gb Ethernet Module in shared mode
on a Cisco Nexus 7010 Switch with two fabric modules? (Choose three.)
A. 21 ports are disabled.
B. All 32 ports can be used.
C. Total bandwidth capacity is 92 Gb/s.
D. N+1 redundancy cannot be accomplished.
E. 230 Gb/s bandwidth is available to the fabric.
Answer: B,C,D

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NO.9 Which three benefits does the N_Port Virtualization Cisco Nexus OS feature provide? (Choose three.)
A. simplifies management
B. assigns a unique Fibre Channel domain ID to the switch
C. provides access to Fibre Channel and FCoE-connected servers
D. extends the number of Fibre Channel domains from 256 to 512
E. increases scalability by not requiring a Fibre Channel domain ID
Answer: A,C,E

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NO.10 In the Cisco Nexus 7010 architecture, In-Service Software Upgrades are enabled by which of the
following components or features?
A. kickstart image
B. rapid switchover
C. automated configuration
D. plug-in based services and features
Answer: D

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