Cisco DCUCD Booklet

Cisco 642-993

Cisco Data Center Unified Computing Design

SpecialistVersion: 4.0

Topic 1, Volume A

QUESTION NO: 1 What are three features of the components that make up Cisco Datacenter 3.0?(Choose three.) A. Virtual Machines B. Virtualized Storage C. Security Manager D. Consolidated Connectivity E. Desktop Consolidator

Answer: A,B,D

Explanation:

QUESTION NO: 2 Which design criteria would be considered environmental criteria? A. improve security B. simplify system cabling C. reduce management effort D. simplify the data center architecture

Answer: B

Explanation:

QUESTION NO: 3 What two key network aspects are attained when implementing a Cisco Data Center Computing Solution?(Choose two.) A. throughput B. storage capacity C. high availability D. cable management

Answer: A,C

Cisco 642-993 Exam

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Explanation:

QUESTION NO: 4 which two expansion modules does the UCS 6120 Fabric lnterconnect support?(Choose two.) A. Ethernet 10 GE(6polt) B. Ethernet 1 GE(6polt) C. Fibre Channel 1,2 and 4 Gbps l (8 port) D. Fibre Channel 1,2,4, and 8 Gbps(8 port)}

Answer: A,C

Explanation:

QUESTION NO: 5 High availability in Cisco Data center Networking is implemented using which twotechniques?(Choose two) A. Extended Spanning Tree Protocol B. Virtual Router Redundancy Protocol C. Cisco Datacenter Redundancy Protocol D. High availability module of the NX-operating system

Answer: A,B

Explanation:

QUESTION NO: 6 The Cisco Unified computing solution provides which three advantages?(Choose three.) A. use of Private VDANs B. server statelessness C. higher memory capacity D. use of industry standard servers

Answer: B,C,D

Explanation:

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QUESTION NO: 7 Which four products are included in the Cisco Datacenter 3.0 portfolio?(Choose 4) A. ASA 5500 B. Nexus 1000v C. Catalyst 3560 D. MDS 9500 E. UCS Manager F. UCS 6100 Fabric Interconnect

Answer: B,D,E,F

Explanation:

QUESTION NO: 8 Which statement is true regarding UCS ports dedicated as external LAN device uplinks? A. Ports carry VLAN traffic onIy B. Ports are configured as ISL trunks C. Spanning tree must be enabled on these ports D. Ports are configured as access ports

Answer: C

Explanation:

QUESTION NO: 9 Which of the following design criteria would be considered technical criteria? A. increase computing density B. simplify the data center architecture C. decrease security requirements through virtualization D. reduce power while increasing computing capacity

Answer: B

Explanation:

QUESTION NO: 10

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Which two design considerations are most often used when depIoying Virtual Machines on theCisco Sytems Nexus 1000V?(Choose two.) A. VSANs to be supported must be configured in the Fabric Manager on the MDS switches B. The defauIt VSAN is preconfigured in the Cisco UCS manager. C. The defauIt VSAN is chosen as the defauIt connectivity for all vNlCs D. AII VSANs In heterogeneous fabrics are used internaIly by the Cisco UCS system

Answer: B,D

Explanation:

QUESTION NO: 11 VMware vCenter CapacitylQ is useful for which two functions?(Choose two.) A. virtual machine management B. capacity of storage devices C. virtual machine automatic activation D. capacity identification and reclamation E. capacity shortfalls and needs forecasting

Answer: D,E

Explanation:

QUESTION NO: 12 Which cost factor is most likeIy to show the greatest increase when a data center is operating atless than maximum hardware efficiency? . A. facilities costs B. capital expenditures C. human resource costs

Answer: A

Explanation:

QUESTION NO: 13 What two items are considered when assessing storage performance?(Choose two)

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A. SAN throughput B. number of VSANs C. number of SAN Domains D. maximum number of LUNS

Answer: A,B

Explanation:

QUESTION NO: 14 How is redundancy typicaIly accomplished on SAN Iinks in a UCS implementation? A. redundant IOM modules B. primary and backup VSANs C. host multipathing software D. primary and backup fabric interconnects

Answer: C

Explanation:

QUESTION NO: 15 Which solution would most likely be used to achieve high availability in Cisco Unified Computingnetwork? A. multiple firewalls B. redundant links C. larger broadcast domains D. additional CPUs to provide additional virtual machines

Answer: B

Explanation:

QUESTION NO: 16 What type of cable must be used when connecting the UCS 6100 to the Nexus 7000? A. Category 5 shielded twisted pair B. Category 6 shielded twisted pair C. 10BASE-CX4 pre-terminated on SFP+ copper transceivers

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D. 50/125 multi-mode Fiber optic cabling with SFP+ optical transceivers

Answer: D

Explanation:

QUESTION NO: 17 What is the purpose of using a VSAN in Cisco Datacenter networking? A. Prevents FSPF Loops B. Prioritize traffic within the Cisco UCS C. Provide redundant UCS fabric interconnect to Fabric Extenders connactions D. Allows a single physical storage infrastructure while logical end-to-end separation

Answer: D

Explanation:

QUESTION NO: 18 What are three types of business pressure that data centers are experiencing?(Choose three) A. language barrier B. collaboration C. SLA metrics D. global availability E. separate infrastructures and support organizations

Answer: B,C,D

Explanation:

QUESTION NO: 19 Which two are Cisco Unified Computing Business Advantages?(Choose two.) A. Less efficient cooling B. Higher cost per computing unit C. Facilities-less space used D. Increased total cost of ownership E. Lower power consumption costs

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Answer: C,E

Explanation:

QUESTION NO: 20 Which adverse condition occurs when virtualized servers increase server density? A. increased power costs B. increased cabling costs C. decreased power efficiency D. decreased Cabling costs

Answer: A

Explanation:

QUESTION NO: 21 Which two environmental conditions would most likely be considered first when planning whenplanning a Data Center facility?(Choose two) A. humidity Ievel B. cabling infrastructure C. operating temperature D. emergency fire sprinkler system

Answer: A,C

Explanation:

QUESTION NO: 22 Which is the most likely impact of under-floor cabling? A. cable runs are shorter B. cooling is improved C. air flow is restricted

Answer: C

Explanation:

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QUESTION NO: 23 which two factors most determine the floor loading under a Data Center rack? (Choose two.) A. rack weight B. equipment being installed C. square footage D. CFM volume

Answer: A,C

Explanation:

QUESTION NO: 24 which two security concerns would most likely be considered first when when planning a datacenter installation?(Choose two) A. ventilation B. alarm systems C. security cameras D. fire suppression systems

Answer: B,D

Explanation:

QUESTION NO: 25 Which environmental parameters should be used when the parameters differ between equipmentin the solution? A. the Ieast common denominator B. use arrange from Ieast restrictive to most restrictive C. the highest denominator from a single piece of equipment D. the parameters from the most restrictive piece of equipment E. the parameters from the Ieast restrictive piece of equipment

Answer: D

Explanation:

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QUESTION NO: 26 Which two facilities aspects should be considered first when planning a Data Center faciIity?(Choose two.) A. ceiling height B. storage capacity C. power capacity D. available space

Answer: C,D

Explanation:

QUESTION NO: 27 A Cisco Systems Unified Computing System is configured with 8 server blades, 2 IOM modulesand 4 uplinks. There is a need for 116 vHBAs Which of The following is correct? A. Both the CAN M71KR and VIC M81KR mezzanine adapters will support up to 128 vHBAs withHW failover supponed B. You would need the CAN M71KR mezzanine adapter C. You would need the CAN M81KR mezzanine adapter D. Both the CAN M71KR and VIC M81KR mezzanine adapters will support up to 128 vHBAs butHW failover is not supponed

Answer: C

Explanation:

QUESTION NO: 28 How must UCS fabric interconnects be connected to achieve high-availability? A. Cluster port L1 on UCS A --to-- Cluster port L2 on UCS B B. Cluster port L1 on UCS A

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--to-- cluster port L1 on UCSB C. The UCS 2104XP IOM A of each chassis --to-- the UCS 6100 A --using only 1 uplinks D. The UCS 2104XP IOM A of each chassis --to-- the UCS6100 B --using 1 to 4 uplinks

Answer: B

Explanation:

QUESTION NO: 29 Which two problems might be caused by a failure to meet temperature requirements? (Choose two) A. increased drive seek time B. chip failure C. i/o throughput reduction D. degrading electrical resistance

Answer: B,D

Explanation:

QUESTION NO: 30 Refer to the exhibit. What is true about the UCS cluster ports L1 and L2? A. They are FCoE ports B. They are Ethernet ports C. These ports are part of an 802.3ad channel and is configured to run PAgP D. The interface part of the cluster link only carries cluster heartbeat messages E. The inteIface part of the cIuster Iink onIy carries high IeveI message between Cisco UCSManager elements

Answer: D

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Explanation:

QUESTION NO: 31 Data center analysis tools are most useful for which two purposes?(Choose two.) A. network device discovery B. capacity plan optimization C. network performance management D. determine server adapter choice(NIC,HBA or CNA) E. determine server utilization and workload assessment

Answer: B,E

Explanation:

QUESTION NO: 32 When a Unified fabric is deployed, what will be reduced? A. cable overhead B. computing utilization C. provisioning complexity D. seamless service deployment

Answer: C

Explanation:

QUESTION NO: 33 Which two business challenges are the main targets of Cisco data center unified Computing? (Choose two) A. asset utilization B. VLAN deployment C. CPU efficiency D. power and cooling

Answer: A,D

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Explanation:

QUESTION NO: 34 Which two models are used as Network Virtualization Mechanisms?(Choose two) A. One-to-one B. One-to-many C. Many-to-one D. Many-to-many

Answer: B,C

Explanation:

QUESTION NO: 35 Which of the following would be considered an environmental design criteria? A. Simplify system cabling B. Lessen management effort C. Simplify the Data Center architecture

Answer: A

Explanation:

QUESTION NO: 36 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:

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QUESTION NO: 37 Which two items does a VSAN need when created in the Cisco Systems UCS manager?(Choosetwo) A. VSAN id B. VSAN name C. VSAN connecting vHBA D. VSAN uplink port to the MDS switches

Answer: A,B

Explanation:

QUESTION NO: 38 Which two statements regarding CNA M71KR and VIC M81KR mezzanine adapters are incorrect?(choose two) A. Both adapters support up to 128 vHBAs B. Neither adapter supports HW failover. C. The CNA M71KR adapter supports up to four vHBAs with two per fabric to support failover. D. The VIC M81KR adapter uses an active standby implementation to support failover.

Answer: B,D

Explanation:

QUESTION NO: 39 Scan Point is a part of which recon and analysis package? A. Linuxconf B. Wireshark C. VMware CapacityIQ D. Akorri BalancePoint

Answer: D

Explanation:

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QUESTION NO: 40 What is the purpose of the L1/L2 ports on the 6120 Fabric lnterconnect? A. supports LACP B. carries cluster heartbeat messages C. used for out-of-band Management D. connects directly to the 2104 Fabric Extender

Answer: B

Explanation:

QUESTION NO: 41 Which is a characteristic of the End Host Virtualizer? A. creates virtualized desktops B. requires border Iinks to be single Iinks only C. provides the ability to support remote control of virtual machines D. UCS appears to the external LAN as an end station with many adapters

Answer: D

Explanation:

QUESTION NO: 42 Plate Spin Recon helps track which two items? (Choose two.) A. Power utilization B. Network utilization C. CPU utilization D. Type and size of available LUNs E. Nurnber of virtual machines currently in data center

Answer: B,C

Explanation:

QUESTION NO: 43

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What improvements will most likely result from unified I/O? A. increased read/write speed to storage B. LAN and SAN connectivity over a single cable C. local storage access from multiple virtual machines

Answer: B

Explanation:

QUESTION NO: 44 Which criteria is likely to be 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: 45 What is the purpose of NPIV? A. Allows multiple servers to access the same virtualized LUN B. Provides method to create virtual interfaces within a Cisco MDS switch C. Allows the virtual machines to bypass the hypervisor and access a LUN directly D. Allows muItiple virtual servers to share a single switch port while maintaining their identity

Answer: D

Explanation:

QUESTION NO: 46 Which component is part of the Cisco Unified Computing System? A. UCS Fabric Manager B. UCS A-series Blade Server

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C. UCS 2104 Fabric Extender D. UCS Local Management Server

Answer: C

Explanation:

QUESTION NO: 47 Which two factors listed below are leaset likely to impact virtula machine deployment on a CiscoSystems Nexus 1000V? (Choose two.) A. data VSANs B. management VLANs C. port profile policy D. uplink port profile

Answer: A,C

Explanation:

QUESTION NO: 48 Which benefit is most likely to be provided by implimenting the Cisco Unified Computing Systems? A. Application Mobility B. Storage Access reductions C. Data Consolidation Management

Answer: C

Explanation:

QUESTION NO: 49 Which of the following would be considered a technical design criteria? A. Increase the computing density B. Decrease security requirements C. SimpIify the Data Center architecture D. Reduce the power required for the same or increased computing capacity

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Answer: C

Explanation:

QUESTION NO: 50 Which two Green data Center advantages will most likely be realized by implementing Cisco dataCenter virtualization? (Choose two) A. environmental compliance B. reduced transportation costs C. lower cooling energy consumption D. reduced material waste

Answer: A,C

Explanation:

QUESTION NO: 51 Which two methods would most likely be used to address evolving regulatory requirements (suchas SARS and privacy laws)? (Choose two) A. business continuity plans B. business cycle efficiency improvements C. risk management strategies D. network infrastructure maximization plans

Answer: A,C

Explanation:

QUESTION NO: 52 Which issue would most likely be considered a technical challenge to virtualization? A. floor space footprint B. Iayer 2 connectivity C. spanning tree protocol D. totaI cost of ovvnership

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Answer: B

Explanation:

QUESTION NO: 53 Which two business challenges does Cisco Systems identify as being met by the Data CanterUnified Computing Solution? (Choose two.) A. asset utilization B. power and cooling C. vlan deployment D. separate infrastructures and support organizations

Answer: A,B

Explanation:

QUESTION NO: 54 Which two steps would most likely be used to address the environmental aspects of a proposeddata center solution? (Choose two) A. Determine the type of firewall to be implemented B. Identify physical access requirements for the facility C. Determine operating parameters of the equipment. D. Assess the environmental parameters of the facility

Answer: B,D

Explanation:

QUESTION NO: 55 Identify two operational advantages when implementing Cisco Datacenter Virtualization(Choosetwo.) A. Reduced complexity B. Simplified Management C. Reduced data center life span D. Decreased resource utilization

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Answer: A,B

Explanation:

QUESTION NO: 56 Which change is most likely to occur when server density is increased by virtualizing servers? A. increase in I/O throughput requirements B. decrease in power efficiency C. decrease in cabling costs

Answer: A

Explanation:

QUESTION NO: 57 A Cisco Unified Computing System as is configured as follow: -8 server blades -2 IOM modules -4 uplinks There is a need for 116 vHBAs Which statement is correct? A. Both the CNA M71KR and VIC M81KR mezzanine adapters will support up to 128 vHBAs withHW failover supported? B. The CNA M71KR mezzanine adapter is needed in this configuration C. The CNA M81KR mezzanine adapter is needed in this configuration D. Both the CNA M71KR and VIC M81KR mezzanine adapters will support this configuration butHW failover is not support

Answer: C

Explanation:

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QUESTION NO: 58 Which cost factor has the greatest impact when building a data center? A. number of virtualized servers required B. number of support personnel needed C. size of the physical data center space

Answer: C

Explanation:

QUESTION NO: 59 Which two of the following factors below are of the least importance when deploying virtualmachines on the Cisco System Nexus 1000v? (Choose two) A. Cisco Nexus 1000v must be deployed as a physical server B. VSM can be deployed in a redundant mode. C. The default VLAN is chosen as the default connectivity for all nNICs

Answer: A,C

Explanation:

QUESTION NO: 60 Which three business pressures are most typically faced by data centers? A. language barriers B. government regulation and compliance C. SLA metrics D. global availability E. technology silos

Answer: B,C,D

Explanation:

QUESTION NO: 61 Which of the following would be considered a Cisco unified Computing technical design criteria?

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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: 62 Which two benefits will most likely be gained by implementing a Cisco data Center UnifiedComputing Solution? A. increased throughput B. increased storage capacity C. improved high availability D. better cable management

Answer: B,C

Explanation:

QUESTION NO: 63 Which two advantages are most likely to be provided by the Cisco Unified Computing System?(Choose two) A. floorspace reduction B. staffing reductions C. lower power consumption

Answer: A,B

Explanation:

Topic 2, Volume B

QUESTION NO: 64 Which two Cisco products complement the Cisco SFS family of products to provide server-side

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InfiniBand integration? (Choose two) A. iSCSI HCA B. Fibre Channel HCA C. InfiniBand switch modules D. Fibre Channel switch modules E. InfiniBand HCA card for IBM and Dell servers

Answer: C,E

Explanation:

QUESTION NO: 65 What are two MDS features that increase the efficiency of a multiple switch Fibre channel fabric?(Choose two) A. Port Channel B. COP C. FCP D. FCC E. CUP

Answer: A,D

Explanation:

QUESTION NO: 66 Which three capabilities make the Cisco nexus 7010 switch an effective solution for the datacentre core? (Choose three) A. Unified I/O B. Virtualization C. Support for 48-port Gb/s line card D. Support for security service modules E. High performance F. High availability

Answer: A,E,F

Explanation:

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QUESTION NO: 67 Which Cisco product is deployed for content routing purposes? A. Cisco ACE GSS B. Cisco ACE appliance C. Cisco content Engine 500 D. Cisco ACE module

Answer: A

Explanation:

QUESTION NO: 68 Which statement is correct about the Cisco Catalyst 4948 Switch? A. Is nonblocking B. Perform only layer 2 switching C. Has up to 48-Gbps wire-speed performance D. Balances lower cost with lower-performance access layer switching

Answer: A

Explanation:

QUESTION NO: 69 Which three fibre Channel switch features are unique to Cisco's MDS 9000 Series switches?(Choose three) A. LUN Zoning B. Read-Only Zones C. Internet-Switch Link D. Fibre Channel Congestion Control E. FC link Aggregation F. FSPF

Answer: A,B,D

Explanation:

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QUESTION NO: 70 Which two Cisco service modules can be deployed in redundant pairs with active active fail over? A. ACE B. CSM C. NAM D. FWSM E. SSLSM

Answer: A,D

Explanation:

QUESTION NO: 71 Used in combination with DHCP snooping, which feature helps prevent spoofing attacks in thedata center access layer? A. RPF B. Port security C. RFC 3704 filtering D. Dynamic ARP Inspection

Answer: D

Explanation:

QUESTION NO: 72 A government agency data center that is used for tax processing is located in an earthquake faultzone. A backup data center, located 300 km away, is linked to the main data center over an OC-3connection. Which of the following provides the best solution to extend the SAN for businesscontinuance and for support of their IP applications? A. Synchronous replication using FCIP B. iSCSl C. FCIP and asynchronous replication D. Dark fiber connectivity and use of synchronous replication over FC

Answer: C

Explanation:

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QUESTION NO: 73 Refer to exhibit.

What would you recommend to a customer who is almost out of slots for 10-Gigabit Ethernetconnections in the aggregation module? A. Add a second aggregation module B. Move the CSM modules to separate service layer switches C. Move the CSM modules to the access layer Cisco Catalyst 6508 Switches D. Upgrade the Cisco Catalyst 6508 switches in the aggregation layer to Cisco Catalyst 6613Switches

Answer: B

Explanation:

QUESTION NO: 74 Refer to the exhibit

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Asymmetric connection attempts in the aggregation layer are occurring on redundant CiscoCatalyst 6500 Series FWSM modules what change might prevent this problem? A. Implement route tuning and root guard B. Add more Cisco Catalyst 6500 Series FWSM modules to each Cisco Catalyst 6500 switch. C. Reduce the over subscription on the aggregation-to-access links. D. Configure round-robin load balancing between the Cisco Catalyst 6500 Series FWSM modules.

Answer: A

Explanation:

QUESTION NO: 75 Refer to the exhibit

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What port type should be used between two switches to maximize performance? A. B B. E C. F D. NL E. TE

Answer: B

Explanation:

QUESTION NO: 76 Which two functions enable lossless Ethernet in data center devices? (Choose two) A. Classical QoS B. InfiniBand support C. Policy flow control

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D. Collision avoidance support E. CoS-based bandwidth management

Answer: C,E

Explanation:

QUESTION NO: 77 Which Cisco Catalyst 6500 Series switching architecture requires a Switch Fabric Module? A. Cisco Express Forwarding B. 32-Gb/s bus C. 256-Gb/s switch fabric D. 720-Gb/s switch fabric

Answer: C

Explanation:

QUESTION NO: 78 Refer to the exhibit.

What is a feature of this spanning-tree topology? A. VLANs are not restricted to access-switch pairs B. Only one aggregation-to-access uplink is active at a given time C. If the link between access-switch pairs is broken, the return IP path may be broken.

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D. Uplink failures on access layer switches will not break connectivity between servers and servicemodules in the aggregation layer

Answer: C

Explanation:

QUESTION NO: 79 Which recommendation applies to OSPF in the data center core? A. Do not permit route distribution with RHI. B. Run OSPF on all VLANs to reduce convergence time. C. Adjust OSPF reference bandwidth for VLANs with 1O-Gigabit Ethernet links. D. Advertise all routes into a NSSA and summarize default routes out.

Answer: C

Explanation:

QUESTION NO: 80 A customer would like to add Cisco MDS switches to an existing Brocade environment withminimal disruption. The Brocade switches are using PID-0 mode. Which two features will enablethe creation of a Cisco-Brocade heterogeneous fabric without restricting the feature set of eitherswitch? (Choose two.) A. interop mode 1 B. interop mode 2 C. interop mode 3 D. IVR E. Port Channels F. CWDM

Answer: B,D

Explanation:

QUESTION NO: 81 Which factor is most strongly influencing adoption of 10 Gigabit Ethernet at the server level? A. blade server use B. storage requirements

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C. mainframe IP connectivity D. smaller Layer 2 fault domain needs

Answer: B

Explanation:

QUESTION NO: 82 Your Cisco MDS 9509 configuration requires 2000 watts of power and is configured with two2500W power supplies if 110V power is provided to the switch, in which power mode does theswitch operate? A. The director will operate in redundant mode only. B. The director will operate in combined mode only C. The director will operate in redundant mode or combined mode D. The director cannot operate with 110V power

Answer: B

Explanation:

QUESTION NO: 83 Which feature is supported in the Cisco ASA 5580 Adaptive Security Appliance but not in theCisco Catalyst 6500 Series FWSM? A. VPNs B. VLANs C. DS/1PS D. stateful inspection

Answer: A

Explanation:

QUESTION NO: 84 During configuration how are challenges with NPIV deployment address? A. Sharing the same HBA by multiple virtual machines B. virtualizing the, storage device C. Disruptive server replacements D. Primary and backup storage device connectivity

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Answer: A

Explanation:

QUESTION NO: 85 Which module provides a fabric-based virtualization for multiple independent software vendors? A. Storage Service Module B. IP ServicesModule C. Multiservice Module D. Cisco MDS 9513 Supervisor 2

Answer: A

Explanation:

QUESTION NO: 86 Which benefit results from deploying Cisco Catalyst 4948 Switches in a top-of-rack access layerdesign? A. increased taut tolerance B. improved server density C. simpler logical topology D. improved power distribution

Answer: D

Explanation:

QUESTION NO: 87 A SAN administrator would like to test FCIP using the existing 18/4-Port Multiservice Module in aCisco MDS 9500 switch that is currently used for iSCSI connectivity. To test FCIP, theadministrator should use the SAN extension over IP package. which option will allow this test tooccur? A. .The appropriate license package it already enclosed with the 18/4 MSM B. The 120-day grace period can be used to test the functionality C. The license package needs to be purchased D. The switch has to be upgraded to a different Cisco NX-OS feature set

Answer: B

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Explanation:

QUESTION NO: 88 Refer to exhibit.

In this situation, the link between aggregation switches fails. What can be done to preventasymmetrical traffic flows from the core link between the aggregations switches fail? A. Implement RHI B. Implement RSTP and MST. C. Tune STP costs on access switches D. Advertise the Agg1 switch as the primary route to the core

Answer: D

Explanation:

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QUESTION NO: 89 Which is appropriate in situations where a switched fabric server is required for InfiniBand support,plus Ethernet and Fibre Channel integration? A. Cisco SFS 3000 B. Cisco SFS 7000 C. Cisco MDS 9000 D. Cisco Virtual Blade Switch

Answer: A

Explanation:


You are designing a new SAN the existing SAN uses eight 32-port 2-Gbps Fibre Channelswitches. Two of the switches are deployed as core switches, and the remaining six switches aredeployed as edge switches. Each edge switch has four ISLs to one of the two core switches.Thedisk array has twelve 2-Gbps Fibre Channel ports. Each of the 84 servers has a dual-port 1-GbpsFibre Channel HBA. A. two Cisco MDS 9216 switches, with two 48-port Fibre Channel line cards in each switch B. two Cisco MDS 9506 switches, with three 32-port Fibre Channel line cards in each switch C. two Cisco MDS 9506 switches, with one 16-port Fibre Channel line card and two 48-port Fibre

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Channel line cards in each switch D. Two cisco MDS 9513 switches, with two 48-port Fibre Channel line cards in each switch

Answer: C

Explanation:

QUESTION NO: 91 Which two are requirements of FCoE in a Cisco nexus environment? A. Fibre cabling B. Use of jumbo frames C. Spanning tree protocol D. ICP-driven retransmission for flow control E. IEEE 802.3x extensions to enable lossless Ethernet

Answer: B,E

Explanation:

QUESTION NO: 92 To protect the supervisor of a Cisco Nexus 7000 switch, the CoPP feature performs which twofunctions? (Choose two) A. performs broadcast suppression B. drops packets with unknown sources C. focuses on access and authentication attacks D. separates data plane packets from control plane packets E. provides DoS protection independent from interface capabilities

Answer: D,E

Explanation:

QUESTION NO: 93 What is one common benefit of U access and inverted U access design topologies for the accesslayer? A. They both contain VLANs in switch pairs B. They are both forms of a looped design model.

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C. They require no STP blocking; all uplinks are active. D. They both support VLAN extension across aggregation switches.

Answer: C

Explanation:


Which mechanism is preferred for traffic load balancing in this topology, when fast convergence isthe design priority? A. Spanning Tree Protocol B. Layer 3 Equal-Cost Multipath C. Multi chassis Ether Channel D. Hot standby Routing Protocol

Answer: B

Explanation:

QUESTION NO: 95 In designing data center core layer throughput for SAN applications, which feature is implemented

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in a Cisco Nexus 7010 core switch to complement classical QoS? A. WRR B. WRED C. PAUSE D. CoS-based virtual lanes .

Answer: D

Explanation:

QUESTION NO: 96 Which are two characteristics of the Cisco MDS Series fan modules? (Choose two.) A. Supervisor modules shut down the fan modules when the air temperature is below a presetthreshold. B. If the Fan Status LED turns red, a fan has failed and the module must be replaced. C. Fan modules monitor air temperature and shut down if the temperature exceeds a presetthreshold. D. Fan modules do not require the switch to be powered off in order to be replaced.

Answer: B,D

Explanation:

QUESTION NO: 97 Under which two circumstances is Layer 2 adjacency required? (Choose two.) A. When HSRP is used B. When NSF with SSO is configured C. When NIC teaming is implemented D. When clustered applications are supported E. When multiple access layer switches are attached to an aggregation module

Answer: C,D

Explanation:

QUESTION NO: 98

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What are three benefits of storage consolidation? (Choose three.) A. Management costs are reduced, since fewer people are needed to administer the commonmanagement applications B. bandwidth demands on the network are reduced C. corporate data is more accessible D. Fibre Channel is no longer needed to transport traffic E. existing disk is utilized more effectively

Answer: A,C,E

Explanation:

QUESTION NO: 99 Which access layer design can improve STP stability with the use of enhanced features likeUDLP, loop guard and BPDU guard? A. Loop-free models B. triangle topologies C. U and inverted U models D. any model using PVST+

Answer: B

Explanation:

QUESTION NO: 100 Which Cisco Catalyst 6500 Series FWSM mode of operation results in the least impact to IPaddressing scheme? A. Routed B. Bridged C. Transparent D. pass-through

Answer: C

Explanation:


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Which two actions can be performed to improve routing between server subnets? (Choose two.) A. integrate service modules in the aggregation switches B. define separate VLANs for the different server subnets C. define different VSSs toward the access and core layers D. define different VRFs toward the access and core layers E. define different VDCs toward the access and core layers

Answer: D,E

Explanation:

QUESTION NO: 102 Which two are benefits of using a Cisco Nexus 5000 switch for server LAN and SAN connectivity if FCoE is deployed? (Choose two)

Cisco 642-993 Exam


A. multiple fault domains B. reduced number of server adapters C. better storage utilization D. reduced cabling E. migration of storage devices from Fibre Channel to FCoE

Answer: B,D

Explanation:


A customer has two sites with separate SAN setups and Brocade switches. The customer isconsidering using the sites for disaster recovery purposes and needs to connect them. The sitesare about 150 km apart. The bandwidth required is estimated to be less than 800 Mb/s; What is the most cost-effective solution? A. Connect the Brocade switches directly with Fibre Channel links and set the maximum amountof BB_Credits. B. Use DWDM connectivity, available from the local telco provider. C. Add Cisco MDS 9222i switches and use FCIP connectivity between the two sites. D. Add Cisco MDS 9124 switches and connect them directly with optical links by taking advantageof their extended amount of BB_Credrts.}

Answer: C

Explanation:

QUESTION NO: 104 Which two functions are commonly combined to provide load balancing and redundancy in datacenter services across the data center core? (Choose two)

Cisco 642-993 Exam


A. Cisco ACE Layer 7 policies B. route health injection C. global server toad balancing D. EIGRP unequal-cost load balancing

Answer: B,C

Explanation:

QUESTION NO: 105 What is the best mechanism to use to isolate backup traffic from other missior-critical traffic? A. VSANs B. zones C. QoS D. IVR

Answer: A

Explanation:

QUESTION NO: 106 What are three effective ways to service multicast traffic in a data center environment? (Choosethree) A. Deploying VRFs per address family B. Configuring IGMP/PIM in the Cisco catalyst 6500 series FWSM C. Configuring IGMP/PIM in the Cisco ACE module D. Configuring IGMP/PIM in the MSFC on a Cisco catalyst 6500 switch E. Configuring service modules in transparent or bridge mode

Answer: B,D,E

Explanation:

QUESTION NO: 107 Which two kinds of applications require sustained throughput and are sensitive to latency?(Choose two.) A. synchronous replication

Cisco 642-993 Exam


B. asynchronous replication C. OLTP D. tape backup E. e-mail

Answer: A,D

Explanation:

QUESTION NO: 108 Your customer has a number of data storage requirements: •servers are not responsible for volume management or data migration •storage is provisioned in real time •legacy and heterogeneous storage assets can be consolidated and fully utilized •data can be protected using simplified snapshot and replication techniques •date can be assigned to different classes easily Which solution would meet these requirements? A. VSANs B. Wide-Area Application Services (WAAS) C. fabric-based virtualization D. LUN zoning E. host-based virtualization

Answer: C

Explanation:

QUESTION NO: 109 A customer has 12 hosts, each capable of a sustained I/O rate of 75 MBps.The customer wants toconnect these hosts to the fabric with a 32-port line card. For optimal performance what is themaximum number of hosts that should be connected to any four-port, host-optimized quad? A. One B. two C. three

Cisco 642-993 Exam


D. four

Answer: C

Explanation:

QUESTION NO: 110 Using the default VDC high availability options in the Cisco Nexus 7010 switches, which situationoccurs? A. if a single supervisor is in use, a graceful restart is forced B. If dual supervisors are in use, a supervisor switchover is forced. C. The VDC is deleted, and no further action is performed. D. The VDC is deleted and then re-created with the startup configuration.

Answer: B

Explanation:

QUESTION NO: 111 Which of these provides fabric-based virtualization for multiple independent software vendors? A. Storage Services Module (SSM) B. Cisco MDS 9000 32-port 1/2-Gbps Fibre Channel module C. Multiprotocol Services module D. Cisco MDS 9513 Supervisor 2

Answer: A

Explanation:

QUESTION NO: 112 Which condition requires a Layer 2 access design? A. multicast applications B. Improved convergence time C. load balancing of uplink paths D. service modules in the aggregation layer

Answer: D

Explanation:

Cisco 642-993 Exam


QUESTION NO: 113 What should be implemented to mitigate man-in-the-middle attacks in the data access layer? A. VACLs B. PVLANs C. Reverse Path Forwarding D. Dynamic ARP Inspection

Answer: D

Explanation:

QUESTION NO: 114 What is an advantage of Cisco MDS 9000 Distributed Device Alias Services over Fibre Channelaliases? A. Persist across switch reboots B. Stored on the management server, not on the switch C. Preserved when devices are moved between VSANs D. Simplify SAN migration operations

Answer: C

Explanation:

QUESTION NO: 115 Which two benefits of a VSS environment reduce overhead at the distribution layer? (Choose two) A. Reduce reliance on STP B. Reduce alliance on HSRP C. Reduce alliance on SSO/NSF D. Reduce alliance on ether channel E. Reduce alliance on trunking protocol

Answer: A,B

Explanation:

Cisco 642-993 Exam


QUESTION NO: 116 In designing virtual firewalls for a data center environment using the Cisco Nexus 7010 switch,which two are valid design options? (Choose two) A. Multiple VSSs can be assigned to a different VDC B. Different VDCs can be deployed for each virtual firewall. C. Multiple VRFs can be used, each of which can allocate a VSS for each virtual firewall D. A subset of VLANs and VRFs can be assigned to a virtual management domain. E. Multiple VRFs can be associated with each virtual firewall within a single VDC.

Answer: B,C

Explanation:

QUESTION NO: 117 Your customer plans to deploy FWSM and IDSM modules in the aggregation layer. Which designshould you avoid? A. Layer3 B. InfiniBand C. Layer 2 loop-free D. Layer 2 looped square E. Layer 2 looped triangle

Answer: A

Explanation:


Cisco 642-993 Exam


A customer has four Cisco MDS directors connected into a single SAN. Each of the switches hasthree VSANs configured that span the whole SAN Domain IDs are statically configured on all thedirectors for each of the VSANs. Will this topology work? A. No, because domain IDs are repeating in different VSANs B. No, because domain IDs are repeating within toe blue VSAN. C. Yes, because domain IDs do not have to be unique. D. Yes, because domain Ds can be dynamically changed by the switches.

Answer: B

Explanation:

QUESTION NO: 119 A customer is adopting the Cisco MDS switches in their environment with a goal that they willeventually replace brocade switches. While the two switch types will coexist, they have to usestandards-based interoperability mode because of the storage vendor support requirements.Which settings will have to be used within certain values of this interpretability mode to function? A. Only two VSANs can be used B. Domain IDs between 97 and 127 must be used C. Only port based zoning be used D. Fabric can have maximum three switches

Cisco 642-993 Exam


Answer: B

Explanation:

QUESTION NO: 120 A customer wants to connect a McData switch to your Cisco MDS SAN Which interop mode wouldyou choose to maintain the maximum feature set on both sides of the SAN? A. interop mode 1 B. interop mode 2 C. interop mode 3 D. interop mode 4

Answer: D

Explanation:

QUESTION NO: 121 How many Cisco catalyst 6500 series PWSM modules can be supported in a single Cisco 6500chassis? A. 1 B. 2 C. 4 D. 8

Answer: C

Explanation:

QUESTION NO: 122 What simplifies troubleshooting and enhances protocol stability for OSPF? A. Using loop back interfaces B. Modifying the SPF delay hold time C. Advertising a default into data centre D. Changing the default reference bandwidth

Answer: A

Explanation:

Cisco 642-993 Exam


QUESTION NO: 123

Refer to the exhibit. Each Cisco Nexus switch has two VDCs which two statements describe Layer2/Layer 3 path selection in this environment? A. MEC provides Layer 2 load balancing. B. VDCs reduce the size of Layer 2 failure domains. C. The VSL aids in Layer 2 load balancing during failures. D. Advanced STP features detect loops and provide Layer 2 load balancing.

Answer: B,D

Explanation:

QUESTION NO: 124 What are three advantages of collapsed-core architecture? (Choose three) A. This design provides the most efficient use of ports because no ports are consumed for ISLs B. The absence of ISLs significantly decreases reliability and manageability C. The absence of any oversubscription increases switch throughput. D. Since there are fewer available paths over which traffic may travel, FSPF values are higher E. Ports can be scaled easily by adding hot-swappable blades without disrupting traffic. F. The highest performance is achieved by director-class swtches, because the high speedbackplane provides tow fixed latency between any two ports.

Cisco 642-993 Exam


Answer: A,E,F

Explanation:

QUESTION NO: 125 Which two interpretability modes are supported when attaching to a brocade switch in nativemode? (Choose two) A. interop mode 2 B. interop mode 4 C. interop mode 3 D. interop mode auto E. interop mode 5

Answer: A,C

Explanation:

Cisco 642-993 Exam


Documents

Cisco DCUCD Booklet