cisco 642-993 dcucs
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Cisco 642-993 dcucs exam study guideTRANSCRIPT
QUESTION NO: 1 Which of the following would be considered a Cisco Unified Computing technical design criteria? A. Increase the number of servers in the data center. B. Decrease security requirements. C. Simplify the Data Center architecture. D. Reduce power costs while maintaining or increasing compute capacity.
Answer: C
Explanation:
QUESTION NO: 2 Which three business pressures are most typically faced by data centers? (Choose three.) A. language barriers B. government regulation and compliance C. SLA metrics D. global availability E. technology silos
Answer: B,C,D
Explanation:
QUESTION NO: 3 Which two physical security concerns would most likely be considered first when planning a datacenter installation? (Choose two.) A. ventilation B. alarm systems C. raised flooring D. fire suppression systems
Answer: B,D
Explanation:
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QUESTION NO: 4 Which condition is prevented by the use of the "Combined" power redundancy mode in the Nexus7000? A. one PSU failure B. lack of redundancy C. one input circuit failure D. one PSU or one input circuit failure
Answer: B
Explanation:
QUESTION NO: 5 Which statement is true regarding UCS ports dedicated as external LAN device uplinks? A. Ports carry VLAN traffic only B. Ports are configured as ISL trunks C. Spanning tree must be enabled on these ports D. Ports are configured as access ports
Answer: A
Explanation:
QUESTION NO: 6 Which three components are included in Cisco Business Advantage Data Center Architecture?(Choose three.) A. unified I/O B. virtualization C. Security Manager D. consolidation E. Desktop Consolidator
Answer: A,B,D
Explanation:
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QUESTION NO: 7 What is the purpose of the L1 and L2 ports on the Cisco UCS 6100 and 6200 Series FabricInterconnect switches when running in a cluster with another fabric interconnect? A. support LACP B. provide high-availability services C. used for out-of-band management D. centralized management port
Answer: B
Explanation:
QUESTION NO: 8 Which is a characteristic of the end-host-mode? A. It offers no redundancy. B. It participates in STP. C. It participates in network control data plan. D. UCS appears to the external LAN as an end station with many adapters.
Answer: D
Explanation:
QUESTION NO: 9 What is the primary purpose of NPIV? A. It is a switch-based solution with a reduction in overhead. B. Virtual server interfaces can be created within an Cisco MDS switch. C. Virtual machines can bypass the hypervisor and access a LUN directly. D. Multiple virtual applications can share a single switch port while maintaining their identity.
Answer: D
Explanation:
QUESTION NO: 10
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What is the purpose of a VSAN in a Cisco Data Center network? A. to share the zoning across other configured VSANs B. to provide distributed service within the SAN fabric C. to advertise the existence of LUNs across the storage area management fabric D. to facilitate logical end-to-end separation within a single physical storage infrastructure
Answer: D
Explanation:
QUESTION NO: 11 Which two advantages are most likely to be provided by the Cisco Unified Computing System?(Choose two.) A. server consolidation and spacing B. staffing reductions C. lower total cost of ownership D. isolation of AC or DC power E. integrated backplane modules from EMC, Netapp, and Cisco
Answer: A,C
Explanation:
QUESTION NO: 12 Which one of these improvements will result from using Cisco Unified Fabric? A. increased read/write speed to storage B. LAN and SAN connectivity over a single cable C. local storage access from multiple virtual machines D. VSAN and VLAN over the same fabric channel port to storage
Answer: B
Explanation:
QUESTION NO: 13
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The Cisco Unified Computing System solution provides which three advantages? (Choose three.) A. use of private VLANs B. server statelessness C. higher memory capacity D. use of industry standard servers E. unites voice, video, storage, networking, and computing in a cohesive system
Answer: B,C,D
Explanation:
QUESTION NO: 14 Which three of these benefits gain by implementing a Cisco Data Center Unified ComputingSystem solution? (Choose three.) A. increased throughput B. increased storage capacity C. improved high availability D. better cable management E. increased IT staff productivity in just-in-time support and provisioning
Answer: A,C,E
Explanation:
QUESTION NO: 15 Which criteria is the most important when selecting a server? A. CPU performance B. power consumption C. floor space availability D. number of virtual machines supported
Answer: A
Explanation:
QUESTION NO: 16
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Which issue would be considered a technical challenge to virtualization? A. floor space footprint B. Layer 2 connectivity C. Spanning Tree Protocol D. total cost of ownership E. green data center solutions
Answer: B
Explanation:
QUESTION NO: 17 Which solution would you most likely use to achieve simultaneous traffic switching in a high-availability configuration in a Cisco UCS with blades? A. multiple UCS chassis B. two Cisco UCS Fabric Interconnects C. redundant UCS blades D. additional CPUs to provide additional virtual machines
Answer: B
Explanation:
QUESTION NO: 18 When designing a data center with Cisco UCS, which of these design criteria can you use to figuremaximum server performance? A. LUN space expansion B. average and peak CPU load C. link throughput and utilization D. forwarding capacity of the router
Answer: B
Explanation:
QUESTION NO: 19
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Which two growing business demands must an enterprise meet to address shifting businesspressure and operational limitations? (Choose two.) A. greater collaboration B. business cycle efficiency improvements C. regulatory compliance D. architectural and mechanical specifications
Answer: A,C
Explanation:
QUESTION NO: 20 Which two of these factors should you consider first when planning a data center facility? (Choosetwo.) A. number of people supporting the data center B. cost of the equipment C. power capacity D. available space E. application performance
Answer: C,D
Explanation:
QUESTION NO: 21 The floor-loading capability of a data center is important and will dictate which two of thesefactors? (Choose two.) A. weight of the rack B. amount of equipment that can be installed into a certain rack C. square footage D. HVAC CFM volume
Answer: A,B
Explanation:
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QUESTION NO: 22 Which three of these items are functions of the VMware vCenter Capacity IQ? (Choose three.) A. Pre-Virtualization tool B. pre-virtualization environment analysis C. virtual machine automatic activation D. capacity identification and reclamation E. capacity shortfalls and needs forecasting
Answer: C,D,E
Explanation:
QUESTION NO: 23 In Cisco UCS, hardware-based failover is supported for Ethernet vNiCs. To achieve similar failovercapability on a SAN using a vHBA, which technology must be used to deploy multiple paths forredundancy? A. redundant IOMs B. primary and backup VSANs C. host multipathing software D. primary and backup fabric interconnects
Answer: C
Explanation:
QUESTION NO: 24 Customers can leverage which two of these Cisco Nexus 1000V Series Switch features, which arealso present on a physical Cisco switch? (Choose two.) A. similar operational model B. security policy C. routing protocol D. Spanning Tree Protocol E. zoning VSAN
Answer: A,B
Explanation:
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QUESTION NO: 25 Which statement regarding Cisco UCS VIC M81KR mezzanine adapters is correct? A. The Cisco UCS VIC M81KR supports up to 128 vHBAs. B. The Cisco UCS VIC M81KR supports a maximum of 52 vHBAs. C. The Cisco UCS VIC M81KR does not support VN-Link. D. The Cisco UCS VIC M81KR is a CNA with single 10 Gigabit Ethernet ports and dual FibreChannel ports.
Answer: A
Explanation:
QUESTION NO: 26 A Cisco Unified Computing System is configured as follows: • 8 server blades • 2 IOMs • 4 uplinks There is a need for 116 vHBAs. Which statement is correct? A. The CNA M71KR mezzanine adapters will support up to 128 vHBAs with HW failover. B. The CNA M72KR mezzanine adapter is needed in this configuration. C. The CNA M81KR mezzanine adapter is needed in this configuration because it supports up to128 vHBAs. D. Cisco VIC M81KR mezzanine adapters will not support this configuration because HW failoveris not supported.
Answer: C
Explanation:
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QUESTION NO: 27 A customer is designing a new data center. The customer is not sure about various temperaturerequirements when designing a data center. Which two problems could be caused by the failure toconsider the temperature requirements during the design of a new data center? (Choose two.) A. dynamic pinning failures at the UCS fabric extenders B. chip failure C. hypervisor virtual machines restarting a physical host D. degraded electrical resistance E. uplink DC interfaces will go down at the fabric interconnects
Answer: B,D
Explanation:
QUESTION NO: 28 Which configuration is correct for successful deployment of a highly available Cisco UCS cluster? A. Connect L1 of fabric interconnect A to L2 of fabric interconnect B. B. Connect L2 of fabric interconnect A to L2 of fabric interconnect A. Connect fabric interconnect A to IOM A of each chassis, using one to four uplinks. Connect Fabric Interconnect B to IOM B of each chassis, using one to four uplinks. Connect L1 of fabric interconnect A to L1 of fabric interconnect B. C. Connect L2 of fabric interconnect A to L2 of fabric interconnect B. Connect fabric interconnect A to IOM A of each chassis, using one to four uplinks. Connect Fabric Interconnect B to IOM B of each chassis, using one to four uplinks. Connect L1 of fabric interconnect B to L2 of fabric interconnect B. D. Connect L2 of fabric interconnect A to L2 of fabric interconnect A. Connect fabric interconnect A to IOM A of each chassis, using one to four uplinks. Connect Fabric Interconnect B to IOM B of each chassis, using one to four uplinks. Connect L1 of fabric interconnect B to L2 of fabric interconnect B. E. Connect L2 of fabric interconnect B to L2 of fabric interconnect B. Connect fabric interconnect A to IOM A of each chassis, using one to four uplinks. Connect Fabric Interconnect B to IOM B of each chassis, using one to four uplinks.
Answer: B
Explanation:
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QUESTION NO: 29 Refer to the exhibit.
What is true about the Cisco UCS cluster ports L1 and L2? A. They are only Fibre Channel ports. B. They are Ethernet ports. C. They are routed ports. D. The interface part of the cluster link only carries cluster heartbeat messages and Fibre Channeltraffic.
Answer: B
Explanation:
QUESTION NO: 30 When you convert an existing data center to a Cisco virtualized data center, what are the mostimportant performance characteristics to examine? A. CPU utilization level, memory, disk space, bandwidth B. front-to-back airflow C. passive and active design elements D. stringerless raised floors
Answer: A
Explanation:
QUESTION NO: 31
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Which performance characteristics should you analyze in your existing data center environmentbefore you migrate to a Cisco virtualized data center? A. utilization of memory B. utilization of WWN C. VMware capacity D. physical-to-virtual conversion time
Answer: A
Explanation:
QUESTION NO: 32 When preparing to migrate to a Cisco virtualized data center, which of these performancecharacteristics should be taken into account? A. application responsiveness B. chassis maintenance access C. IPMI performance D. dedicated circuit for power supply
Answer: A
Explanation:
QUESTION NO: 33 When conducting an audit of an existing data center environment, which tool can you use todetermine storage performance and utilization? A. VMware vCenter Operations Management Suite B. Microsoft Performance Monitor C. NetApp OnCommand Insight Balance D. Cisco UCS Storage Monitor
Answer: C
Explanation:
QUESTION NO: 34
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Which three of these technologies are examples of virtualization technologies? (Choose three.) A. Cisco VSG B. VMware DVS C. Cisco DCNM D. Cisco Nexus 1000v E. Cisco Nexus 3000 Series low-latency switch
Answer: A,B,D
Explanation:
QUESTION NO: 35 Which Cisco UCS solution isolates applications across networks, servers, and storage facilities,and separates confidential information among business units, customers, departments, or securityzones? A. Cisco Virtualization Experience Infrastructure B. Vblock C. virtual desktop infrastructure D. secure multi-tenancy
Answer: D
Explanation:
QUESTION NO: 36 Cisco Application Networking Services solutions can help you lower your TCO and improve ITflexibility. Which three of these are Cisco ANS attributes? (Choose three.) A. Application intelligence: You can take control of applications and the user experience. B. Cisco Unified Network Services: You can connect any person to any resource with any device. C. Integrated security: There is built-in protection for access, identity, and data. D. Storage integrity: It can be configured to auto-verify data in storage arrays.
Answer: A,B,C
Explanation:
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QUESTION NO: 37 When a VDC is used to virtualize a Cisco Nexus 7000 Series Switch, which benefit does itprovide? A. It allows storage services to follow a VM as the VM moves. B. It allows transparent integration of multiple technologies. C. It allows inter-VSAN routing for better scalability. D. It allows the ability to secure the network partition between different users on the same physicalswitch.
Answer: D
Explanation:
QUESTION NO: 38 Which one of these best describes a Cisco storage solution attribute? A. multiprotocol storage networking B. Cisco Unified Network Services C. virtualization D. three-dimensional scalability
Answer: A
Explanation:
QUESTION NO: 39 Cisco Unified Fabric provides which benefits? A. deployment flexibility, workload mobility, consolidated I/O, VM-aware networking B. VM-aware networking, consolidated I/O, workload mobility, application intelligence C. deployment flexibility, workload mobility, consolitated I/O, services-oriented SANs D. multiple STP domains, workload mobility, consolidated I/O, VM-aware networking
Answer: A
Explanation:
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QUESTION NO: 40 Overlay Transport Virtualization is a feature on the Cisco Nexus 7000 Series Switches thatenables which one of these behaviors? A. a single infrastructure layer that processes hardware programming B. the ability to run different operating system levels on the same box at the same time C. flexible separation and distribution of software components D. extension of Layer 2 LANs over any network
Answer: D
Explanation:
QUESTION NO: 41 Within Cisco VN-Link technology, which product is part of the server virtualization strategy? A. VM-FEX B. Cisco VM-FEX C. Cisco UCS B440 M2 D. PINV
Answer: B
Explanation:
QUESTION NO: 42 You have a requirement for a rack server with two 6-core processors, 96-GB RAM, 16 hard drives,and RAID 10. Which one of these rack servers meets this requirement? A. R200 B. R210 C. R250 D. R460
Answer: B
Explanation:
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QUESTION NO: 43 Which one of these Cisco UCS blade servers provides 20 Gb/s I/O, boots from SAN, has 256 GBRAM, and 2 to 8 core processors? A. B200 B. B230 C. B250 D. B440
Answer: B
Explanation:
QUESTION NO: 44 Which Cisco UCS blade server will support modeling and simu-lation applications in a virtualenvironment? A. Cisco UCS C200 B. Cisco UCS C210 C. Cisco UCS C250 D. Cisco UCS C460
Answer: C
Explanation:
QUESTION NO: 45 Which Cisco UCS rack-mount server will support web services and remote office applications thatare hosted in either dedicated or multi-tenant environments? A. C200 B. C210 C. C250 D. C230
Answer: A
Explanation:
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QUESTION NO: 46 Which three design criteria should be evaluated in a successful Cisco virtualized data centersolution? (Choose three.) A. increased resource utilization B. application reliability C. portability and mobility D. architecture
Answer: A,B,C
Explanation:
QUESTION NO: 47 Which adapter should be used in a Cisco UCS C200 Rack-Mount Server, with the requirements ofiSCSI boot, failover capabilities, and IPv6? A. QLE8152 B. OCe10102-FX-C C. Intel X520-SR2 D. LPe 11000
Answer: C
Explanation:
QUESTION NO: 48 Which mezzanine adapter on a Cisco UCS B200 Blade Server meets these requirements: bootsfrom SAN, fabric failover, and four vHBAs? A. M81KR B. M72KR C. M61KR D. M72KR
Answer: A
Explanation:
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QUESTION NO: 49 On a Cisco UCS C250 M2 Rack-Mount Server with eight 300-GB SAS drives, which RAIDcontroller would support RAID 10? A. LSI 1064E B. LSI 8708EM2 C. LSISAS30813E-R D. LSI 9261-8i
Answer: D
Explanation:
QUESTION NO: 50 In a Cisco UCS deployment, which one of these tools enables you to calculate the environmentalrequirements? A. Cisco UCS Power Monitor B. Cisco UCS Environmental Calculator C. Cisco UCS Power Calculator D. Cisco UCS Design Tool
Answer: C
Explanation:
QUESTION NO: 51 Which two of these mezzanine cards provide failover between redundant Ethernet fabrics, with nomultipathing required on the host? (Choose two.) A. M81KR B. M71KR-Q C. M72KR-E D. M51KR-B
Answer: A,B
Explanation:
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QUESTION NO: 52 When deploying fabric failover for server connectivity, which three of these requirements must bemet? (Choose three.) A. Fabric failover must be configured for the LAN adapters. B. The server must be equipped with either Cisco M81KR VIC or a M71KR CNA. C. The operating system must be configured for failover. D. Fabric interconnects must be deployed as a cluster.
Answer: A,B,D
Explanation:
QUESTION NO: 53 Which one of these mezzanine adapters relies solely on operating system multipathing forfailover? A. M51KR-B B. M72KR-E C. M61KR-I D. M71KR-Q
Answer: B
Explanation:
QUESTION NO: 54 You are deploying applications across a distributed data center environment. You must maximizeavailable bandwidth across multiple paths, extend Layer 2 LANs, and simplify configuration. Which data center technology should be deployed? A. OTV B. vPC C. Cisco FabricPath D. BGP multihoming
Answer: B
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Explanation:
QUESTION NO: 55 Which two data center technologies would provide Layer 2 resiliency, maximize bandwidth, andensure lossless packet delivery over a congestion-aware network? (Choose two.) A. DCBX B. vPC C. STP PortFast D. FabricPath E. FIP
Answer: A,B
Explanation:
QUESTION NO: 56 Virtual device contexts enable which three of these activities? (Choose three.) A. secure delineation of administrative configurations B. separation and distribution of hardware resources C. ability to test configurations without impacting production systems D. ability to run different operating systems on the same physical hardware E. extension of link aggregation to two separate physical switches
Answer: A,B,C
Explanation:
QUESTION NO: 57 A jumbo frame-aware data center is often implemented to provide performance improvements inwhich two of these technologies? (Choose two.) A. iSCSI B. NFS C. Fiber Channel D. quality of service
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E. VoIP
Answer: A,B
Explanation:
QUESTION NO: 58 Which choice best describes NPV, with the connectivity of a Cisco UCS-B server connecting to aFibre channel switch? A. NPV allows a network-facing interface to proxy traffic from multiple servers onto a single link. B. NPV allows local switching of Fibre Channel packets on the Cisco UCS 6100 Series Switches. C. NPV load-balances traffic of a single server across multiple links. D. NPV allows MAC-in-MAC encapsulation of Fibre Channel traffic for transport across a switchthat is not a Cisco switch.
Answer: A
Explanation:
QUESTION NO: 59 Which two of these statements are true about VSANs? (Choose two.) A. VSANs leverage the benefits and capabilities of isolated SANs without the need for hardwareisolation. B. VSANs raise efficiency of SAN fabrics by reducing the number of redundant fabrics. C. VSANs raise efficiency of SAN fabrics by increasing the number of redundant fabrics. D. VSANs eliminate the need for zoning and LUN masking.
Answer: A,B
Explanation:
QUESTION NO: 60 A company is organized into separate engineering groups for network and operating system tasks.Which product would enable network engineers, rather than operating system engineers, to focuson the management of VLANs, port security, and QoS?
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A. Nexus 1000V Series Switches B. DVS C. virtual supervisor blade D. Cisco Catalyst 6500 VSS E. virtual device context
Answer: A
Explanation:
QUESTION NO: 61 You are designing a data center with a single unified fabric. You must minimize cabling and port-count, and maximize internal server expansion capabilities. Which two products satisfy theserequirements? (Choose two.) A. Cisco UCS C-Series Servers B. Cisco Nexus 5000 and 7000 Series Switches C. Cisco UCS B-Series Servers D. Cisco MDS SAN switches E. Cisco Nexus 1010 Appliance
Answer: A,B
Explanation:
QUESTION NO: 62 You are designing a UCS B-Series environment for a customer with both bare-metal andvirtualized servers. The bare-metal servers require two vNICs and two vHBAs. Administrators ofvirtualized servers will be utilizing VN-Link technology. Which adapter should be recommended? A. Cisco UCS M81KR B. Cisco UCS M72KR-Q C. Cisco UCS M71KR-E D. Cisco UCS P81E E. Cisco UCS M51KR-B
Answer: A
Explanation:
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QUESTION NO: 63 When you migrate a mission-critical application, which method requires the least amount ofdowntime and data loss? A. overnight migration; cold conversion B. overnight migration; hot conversion C. gradual migration; cold conversion D. gradual migration; hot conversion
Answer: A
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