2013年7月19日星期五

Cisco certification 642-994 the latest exam questions and answers

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Exam Code: 642-994

Exam Name: Cisco (Cisco Data Center Unified Computing Systems Implementation (DCUCI) )

642-994 Free Demo Download: http://www.pass4test.com/642-994.html


NO.1 Which three VM VLAN port groups must be created for Nexus 1000v connectivity? (Choose three.)
A. Priority
B. Management
C. Control
D. Packet
E. Service
Answer: B,C,D

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NO.2 Server virtualization technology enables which three benefits when you are planning to build a
virtualized data center? (Choose three.)
A. better use of computing resources
B. higher server densities
C. seamless server migrations
D. I/O consolidation
E. better usage of storage resources
Answer: A,B,C

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NO.3 The Cisco UCS Fabric Interconnect supports which port channel protocol?
A. LACP
B. PAgP
C. MCPC
D. LACP or PAgP
Answer: A

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NO.4 How many VLANs on the UCS must be configured when using FCoE.?
A. One per blade
B. One per VSAN
C. One per fabric
D. None are required
Answer: B

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NO.5 Which of the following must be considered when evaluating the data center environmental elements for
a UCS installation? (Choose three.)
A. weight distribution for floor loading
B. emergency electrical shutoff
C. backup power and distribution
D. proper clearance for air flow
Answer: A,C,D

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NO.6 Which three of the following UCS components can be upgraded? (Choose three.)
A. SFPs
B. BIOS firmware
C. cluster firmware
D. Fabric Interconnect
E. Baseboard Management Controller (BMC)
Answer: B,D,E

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NO.7 A service profile is created using vHBAs. What will happen if the profile is applied to a server with a
mezzanine card without storage capability?
A. The blade association will fail.
B. The storage adapter will not be visible to the operating system.
C. A virtual storage adapter will be created.
D. A WWNN or a WWPN will be autoselected from the default pool.
Answer: A

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NO.8 Which traffic is handled by the Cisco UCS 6100 Series Fabric Interconnect?
A. management traffic
B. data traffic
C. management and data traffic
D. control plane traffic
Answer: C

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NO.9 Which four options are system components of the Cisco UCS Manager? (Choose four.)
A. External Interface Layer
B. Application/Endpoint Gateways
C. PXE boot infrastructure
D. Data Management Engine
E. Managed Endpoints
F. Virtual Networking Layer
Answer: A,B,D,E

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NO.10 What is the maximum number of AC power supplies that can be installed in a Cisco UCS chassis?
A. One
B. Two
C. Three
D. Four
Answer: D

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