Selftestengine.642-996.58questions Number: 642-996 Passing Score: 800 Time Limit: 120 min File Version: 5.8 Cisco 642-996 Designing Cisco Data Center Unified Fabric 1. It put me out from my hurdles and I got passed with outstanding marks 96%. 2. I take this as a reliable exam preparation tool. 3. All answers are correct! 4. As the site guaranteed success which proved to be true. 5. Thank you vce, for rescuing me.
Exam A QUESTION 1 Which technology provides additional scalability and simplification of an Ethernet network, providing more efficient forwarding and eliminating the need for the Spanning Tree Protocol? A. OTV B. vpc C. PVST+ D. FabricPath Correct Answer: D actual answer. QUESTION 2 The architectural components of the infrastructure are the access layer, the aggregation layer, and the core layer. What is the principal advantage of this model? A. no advantages to this model B. hierarchical structure and its modularity C. cost of ownership D. return on investment Correct Answer: B ALL right. QUESTION 3 Which technology provides the ability to use all links in a LAN topology by providing an active- active path to the upstream switch? A. STP B. vpc C. PVST+
D. RSTP Correct Answer: B finest answer. QUESTION 4 Cisco VM-FEX technology extends Cisco Fabric Extender technology to the virtual machine that eliminates which one of the following? A. The dedicated interface on the parent switch is eliminated. B. The software-based switch in the hypervisor is eliminated. C. All virtual machine traffic is eliminated. D. The need for a physical switch is eliminated. Correct Answer: B fine. QUESTION 5 Which access layer technology will provide redundancy if there is a link failure on a server link? A. VDC B. MPLS C. vpc D. Cisco OTV Correct Answer: C :
QUESTION 6 What is a required component to run FCoE? A. iscsi gateway B. Fibre Channel adapter C. HBA D. Cisco Network Assistant Correct Answer: D : QUESTION 7 Which design will reduce cable count and maintain all cables within a rack? A. Top-of-Rack design B. Middle-of-Row design C. End-of-Row design D. End-of-Rack design Correct Answer: A superb answer. QUESTION 8
Which two items represent attacks that are mitigated by CoPP? (Choose two.) A. ARP cache poisoning B. data plane DoS C. ping flooding D. Diffie Hellman E. smurf attack F. ping of death Correct Answer: CE answer is right., QUESTION 9 Which command sequence represents a correct process to establish OSPF peer authentication credentials? A. N7010-C2(config)# key chain OSPF N7010-C2(config-keychain)# key 0 N7010-C2(config-keychain-key)# key-string B. N7010-C2(config)# key-chain 0 N7010-C2(config-key-chain)# key-name OSPF N7010-C2(config-key-chain-key)# key-string C. N7010-C2(config)# key ring OSPF N7010-C2(config-keyring)# key 0 N7010-C2(config-keyring-key)# key-string D. N7010-C2(config)# key-ring 0 N7010-C2(config-key-ring)# key-name OSPF N7010-C2(config-key-ring-key)# key-string Correct Answer: A answer is fit.
QUESTION 10 What is one example that is true concerning network management for the data center? A. The Network Analysis Module is best deployed in the core for highest visibility. B. It utilizes flexible NetFlow for enhanced network anomaly and security detection. C. NetFlow support is available on most IOS and Nexus products, excluding the Nexus 1000v. D. NetFlow Data Export is best positioned on the Nexus 5500 at the access or aggregation layers. Correct Answer: B answer is to the point. QUESTION 11 Which tool, previously known as Cisco Fabric Manager, would you use in a data center to help manage unified fabrics with SAN connectivity? A. Cisco ANM B. Flexible NetFlow C. Cisco Prime LMS D. Cisco Prime DCNM for LAN E. Cisco Prime DCNM for SAN F. Cisco VNMC Correct Answer: E exact answer. QUESTION 12 Which of the following is true with respect to Cisco Adapter FEX?
A. Cisco Adapter FEX is only supported on vswitch. B. Cisco Adapter FEX enables the server adapter to be logically partitioned into multiple vnics. C. Cisco Adapter FEX does not provide architectural flexibility. D. Cisco Adapter FEX increases the number of cables in the data center. Correct Answer: B : QUESTION 13 What is the principal advantage of various layers in the architecture of data center infrastructure? A. no advantages to this model B. hierarchical structure and its modularity C. cost of ownership D. return on investment Correct Answer: B : QUESTION 14 The classical access layer has its limitations due to high rate in which of the following?
A. oversubscription B. jitter C. cost D. 10 Gigabit Ethernet links Correct Answer: A nice. QUESTION 15 Real 29 Cisco 642-996 Exam
Real 30 Cisco 642-996 Exam Which item represents a hardware requirement on the Cisco Nexus 7000 to terminate FCoE hosts? (Choose one.) A. F1 Series 10Gb Ethernet module B. M2 Series 10Gb Ethernet module C. X1 Series 10Gb Unified Fabric module D. C2 Series 10Gb Service module Correct Answer: A : QUESTION 16 What is required to allow for FCoE multihop prior to the ratification of FC-BB-6? A. VN to VF encapsulation B. FIP snooping C. FCoE proxy D. Fibre Channel bridging at FC-2 E. VE to VE tunneling Correct Answer: B particular answer. QUESTION 17 What is required to be configured in VMware vcenter to allow a VM direct access to a Fibre Channel LUN? A. DirectPath I/O B. VM-FEX C. Adapter FEX
D. Raw Device Mapping E. Solid State Drive Correct Answer: D most specific answer. QUESTION 18 After a recent acquisition, you have been asked to merge two SANs into one. Which SAN topology is Cisco recommended? A. Core-Edge B. Edge-Core-Edge C. Core Access D. Collapsed Core E. Collapsed Core-Edge Correct Answer: B nice. QUESTION 19
Real 31 Cisco 642-996 Exam
Which item represents a hardware requirement on the Cisco MDS 9500 Series Director to achieve Fibre Channel connectivity with the Cisco Nexus 7000 Series data center switch? (Choose one.) A. Cisco MDS 9000 Family 48-Port 8-Gbps Advanced Fibre Channel Switching Module B. Cisco MDS 9000 Family 4-Port 10-Gbps Fibre Channel Switching Module C. Cisco MDS 9000 16-Port Storage Services Node Real 32 Cisco 642-996 Exam D. Cisco MDS 9000 10-Gbps 8-Port FCoE Module Correct Answer: D : QUESTION 20
Which two items represent features of VM-FEX with Cisco Nexus 5500? (Choose two) A. Software packet switching B. Hardware packet switching C. 802.1 Q D. VN-Tag (802.1 Qbh) E. Feature rich
F. Higher performance Correct Answer: BD : QUESTION 21 Real 33 Cisco 642-996 Exam
Which three items represent features of VM-FEX with Cisco Nexus 1000V? (Choose three) A. Software packet switching B. Hardware packet switching C. 802.1 Q D. VN-Tag (802.1 Qbh) E. Feature rich
F. High performance Correct Answer: BEF : QUESTION 22
Which three items represent features of Cisco Virtual Switching System? (Choose three) A. Single control plane B. Dual control planes C. VSS appears as one switch to downstream switches D. VSS appears as two switches to downstream switch E. Etherchannel protocols include Static, LACP F. channel protocols include Static, PAgP, PAgP+, LACP Correct Answer: ACF : QUESTION 23
Which three items represent features of Cisco Virtual Port Channels? (Choose three) A. Single control plane B. Dual control planes C. vpcappears as one switch to downstream switches D. vpcappears as two switches to downstream switch E. Etherchannel protocols include Static, LACP F. channel protocols include Static, PAgP, PAgP+, LACP
Correct Answer: ACE : QUESTION 24 What is a typical output of the design planning phase that characterizes an existing data center? A. a high-level conceptual architecture proposal B. a gap analysis C. a verification plan D. reactive fault detection and correction Correct Answer: B answer is explained. QUESTION 25 Which two characteristics are associated with the core layer of a Data Center Unified Fabric network? (Choose two.) A. no packet manipulation B. QoS--policing C. voice, data, and wireless convergence D. scalable routing protocols like OSPF E. Layer 2 default gateway redundancy
F. QoS--classification and queuing Correct Answer: AD Best answer. QUESTION 26 Which three characteristics are associated with the aggregation layer of a Data Center Unified Fabric network? (Choose three.) A. no packet manipulation B. QoS--policing C. voice, data, and wireless convergence D. scalable routing protocols like OSPF E. provides default gateway redundancy F. QoS--classification and queuing G. routing manipulation and filtering H. aggregates end users Correct Answer: BEG answer is confirmed. QUESTION 27 Which three characteristics are associated with the access layer of a Data Center Unified Fabric network? (Choose three.) A. no packet manipulation B. QoS--policing C. voice, data, and wireless convergence D. scalable routing protocols like OSPF E. provides default gateway redundancy F. QoS - classification and queuing G. routing manipulation and filtering
H. aggregates end users Correct Answer: CFH proper answer. QUESTION 28 Which protocols are Cisco recommended for connecting the main data center to a remote data center? A. LISP B. OTV C. FabricPath D. vpc Correct Answer: B answer is definite. QUESTION 29 When migrating an existing data center network to a unified fabric network, which transitions should you expect to see? A. IOS to Nexus networking equipment B. physical to virtual machines C. Fibre Chanel to FCoE D. iscsi to NAS Correct Answer: C appropriate answer.
QUESTION 30 Which three protocols are effective in minimizing the use of STP in the data center design? (Choose three.) A. FCoE B. vpc C. vdc D. FabricPath E. 802.1ad F. STP Correct Answer: ABD valid answer. QUESTION 31 In a medium size Data Center, which three routing protocols would you use? (Choose Three.) A. EIGRP B. ISIS C. OSPF D. RIPv2 E. HSRP Correct Answer: ABC elaborated answer. QUESTION 32 Layer 2 forwarding of multicast traffic with vpc is based on which modified protocol? A. CGMP B. PIM SS
C. Auto-RP D. IGMP snooping E. Destination-based trees Correct Answer: D answer is upgraded. QUESTION 33 Which Cisco Nexus product operates inside the VMware ESX hypervisor, and supports the Cisco VM-FEX server virtualization technology? A. 1000v B. 1010 C. 2000 D. 5500 E. 7000 Correct Answer: A outclass answer. QUESTION 34 Refer to the exhibit.
Customer would like to utilize Cisco Nexus7000 series switches as converged Ethernet aggregation and SAN core switch in their new data center design. The switch can be connected to a Cisco MDS 9500 Series switch in a three-tier edge-core-edge SAN design as shown in the exhibit. Which technology makes this type of design possible? A. FC forwarding B. Multi-hop FCoE C. iscsi gateway to increase network bandwidth D. vpc+ E. NAS gateway at the aggregation layer Correct Answer: B finest answer. QUESTION 35 Given the requirements, which Cisco Nexus product is Cisco recommended? A rich feature set that makes it well suited to top-of-rack, middle-of-row, or end-of-row access- layer applications.
Data center racks with standards-based 1 and 10 Gigabit Ethernet and FCoE features, and virtual machine awareness features that allow IT departments to consolidate networks. A combination of high port density, lossless Ethernet, wire-speed performance, and extremely low latency that makes the switch family well suited to meet the growing demand for 10 Gigabit Ethernet. A. 1000v B. 1010 C. 2000 D. 3000 E. 4000 F. 5500 Correct Answer: F actual answer. QUESTION 36 Which three control plane operations are used by vpc? (Choose three.) A. ARP cache B. MAC address learning C. CGMP snooping D. LACP E. BPDUs Correct Answer: ABE answer is updated. QUESTION 37 In the data center architecture, which layer performs load balancing between data centers?
A. Core layer B. Access layer C. Aggregation layer D. Collapse core Correct Answer: A right answer. QUESTION 38 Which innovation in the Cisco NX-OS Software brings an entirely new Layer 2 data plane by encapsulating the frames entering the device with a header that consists of a routable source and destination address? A. OTV B. MPLS C. Routing D. RSTP E. LISP Correct Answer: A clear answer. QUESTION 39 What design will effect traffic flows in the Data Center Core layer? A. The domain needed to extend a VLAN from one switch to another is determined at the core layer B. With a 3 layer (Access, Aggregation, Core) design the Layer 2 domain must be configured across the Core for VLAN extension to occur C. Extending Layer 2 through a core causes path blocking by STP and has the risk of uncontrollable broadcast issues related to extending Layer 2 domains, and therefore should be avoided D. Server-to-server traffic typically travels between aggregation modules by way of the core, while backup and replication traffic remains within the aggregation
module Correct Answer: C real answer. QUESTION 40 The classical aggregation layer design does not provide isolation on the control plane and on the data plane. What is the solution to this problem? A. STP B. VDC C. Cisco ISO ISSU D. HSRP Correct Answer: B real answer. QUESTION 41 Your customer is designing a new data center and would like the aggregation layer to be able to route and have Layer 3 capability. What Cisco platform will meet this requirement? A. Cisco Nexus 1000v B. Cisco Nexus 5596 without Layer 3 daughter card C. Cisco MDS 9506 chassis with supervisor engine D. Cisco Nexus 7010 switch with Enterprise Services Package Correct Answer: D ALL right.
QUESTION 42 Your customer would like to run FCoE in the access layer. Which fabric extender should the customer utilize in its design? A. Cisco Nexus 2148T B. Cisco Nexus 2224TP C. Cisco Nexus 2248TP-F D. Cisco Nexus 2232PP Correct Answer: D authenticated answer. QUESTION 43 Which Cisco Nexus switch offers possibilities for implementation of the virtual switching layer in VMware? A. Cisco Nexus 5596 Switch B. Cisco Nexus 7010 Switch C. Cisco Nexus 1000v Switch D. Cisco Nexus 2248 FEX Correct Answer: C definite answer. QUESTION 44 Which item represents a method of increasing storage utilization efficiency? A. thin provisioning B. thick provisioning C. transparent provisioning D. hold-back provisioning
E. weighted provisioning Correct Answer: A valid answer. QUESTION 45 Which item uses TCP as a block I/O transport? A. NFS v4 B. HyperTransport C. AoE D. FCoE E. CIFS F. iscsi Correct Answer: F : QUESTION 46 Which two Cisco MDS 9500 line cards support SME? (Choose two.) A. Cisco MDS 9000 Family Storage Services Module B. Cisco MDS 9000 Family Multiprotocol Services Module C. Cisco MDS 9000 Family 8-Gbps Advanced Fibre Channel Switching Module D. Cisco MDS 9000 Family IP Storage Services Module E. Cisco MDS 9000 Family Storage Processor Node F. Cisco MDS 9000 Family Multiservices Module Correct Answer: BF
answer is absolutely perfect.s QUESTION 47 Which technologies will be found in a data center that is designed for Cisco equipment? A. NPV B. NPIV C. VSAN D. FCoE Correct Answer: C Okay. QUESTION 48 Which technology provides the ability to use all links in a LAN topology by providing an active- active path to the upstream switch? A. STP B. vpc C. PVST+ D. RSTP Correct Answer: B answer is upgraded. QUESTION 49 Classical aggregation layer designs do not provide isolation of the control and data planes. What provides a solution to this limitation? A. STP
B. VDC C. ISSU D. HSRP Correct Answer: B answer is authentic. QUESTION 50 What introduces unique implications into the overall Data Center aggregation layer design? (Choose Three.) A. High-speed switching fabric with a high forwarding rate Real 11 Cisco 642-996 Exam B. Over-subscription values C. Service Modules D. IP routing E. WAN F. Internet Edge Correct Answer: ABC fine. QUESTION 51 What are the benefits of an Adapter FEX? A. requires fewer adapters, cables, network ports, and network devices B. provides the ability to VMware VMotion across data centers C. reduces complexity in the data center D. works with the IEEE 802.1RB standard Correct Answer: A
: QUESTION 52 Spanning Tree Protocol runs at which functional layer of the data center? A. core layer B. access layer C. application layer D. network layer Correct Answer: B to the point answer. QUESTION 53 Which of the following is true with respect to Cisco Adapter FEX? A. Cisco Adapter FEX extends the Cisco FEX technology into a traditional rack servers MoR design. B. An EoR design is not permitted with Cisco Adapter FEX. C. Cisco Adapter FEX extends VDCs across multiple Cisco Nexus switches. D. A ToR design is not permitted with Cisco Adapter FEX. Correct Answer: A fantastic answer. QUESTION 54 Your customer is designing a new data center with FCoE. Which three appropriate platforms are capable of meeting this requirement? (Choose three.)
A. Cisco Nexus 5596 switch with FCoE license B. Cisco Nexus 7010 switch with FCoE license C. Cisco Fabric Extender with FCoE support D. Cisco 2948 switch with FCoE license E. Cisco Catalyst 6509 switch with FCoE blade Correct Answer: ABC : QUESTION 55 What is one required component to run FCoE? A. iscsi gateway B. Fibre Channel adapter C. HBA D. Converged network adaptors Correct Answer: D answer is confirmed. QUESTION 56 Access layer switches are located as which type of design to provide network connectivity to servers that are installed in rack? A. ToR design B. MoR design C. EoR design D. ILR Correct Answer: A
answer is right. QUESTION 57 Which two technologies can overcome the link blocking feature that STP implements to ensure a loop-free topology? (Choose two.) A. vpc B. ISSU C. MEC D. NX-OS HA E. GLBP Correct Answer: AC perfect answer. QUESTION 58 From a data center design perspective, which of the following is true in regard to network management tools like Cisco Data Center Network Manager (DCNM) and CiscoWorks LAN Management Solution (LMS)? A. Cisco DCNM is positioned to manage non-nexus OS gear like the Catalyst 6500 Series, Catalyst 6500 Series FWSM, and Cisco UCS. B. Platform-specific, advanced data center features should be managed by Cisco DCNM and provided to CiscoWorks LMS. C. CiscoWorks LMS should be used to manage the LAN network, while Cisco DCNM will manage the SAN network. D. Cisco DCNM should be used to manage everything except the aggregation service layer. Correct Answer: B straight answer.