642-996 Latest Exam (Aug 2018)

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August 22, 2018

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Designing Cisco Data Center Unified Fabric

Question No: 1

In a geographically diverse data center environment, which high-availability feature allows data centers to simultaneously serve the same content to all sites?

  1. HSRP

  2. VRRP

  3. SLB

  4. GSLB

  5. FCoE

Answer: D

Question No: 2

What is the principal advantage of various layers in the architecture of data center infrastructure?

  1. no advantages to this model

  2. hierarchical structure and its modularity

  3. cost of ownership

  4. return on investment

Answer: B

Question No: 3

Which three characteristics are associated with the access layer of a Data Center Unified Fabric network? (Choose three.)

  1. no packet manipulation

  2. QoS-policing

  3. voice, data, and wireless convergence

  4. scalable routing protocols like OSPF

  5. provides default gateway redundancy

  6. QoS – classification and queuing

  7. routing manipulation and filtering

  8. aggregates end users

Answer: C,F,H

Question No: 4

Which type of 40 Gigabit Ethernet optics should be used for interconnect when the number of multimode fiber strands used should be kept as low as possible?

  1. 40GBASE-SR4

  2. 40GBASE-LR4-Lite

  3. 40GBASE-SR-BiDi

  4. 40GBASE-CR4

Answer: C

Question No: 5

Which two resources can be VDC-dedicated resources? (Choose two.)


QoS hardware queues


physical interfaces


A table spaces


fabric modules


management interfaces

Answer: B,E

Question No: 6

In a medium size Data Center, which three routing protocols would you use? (Choose Three.)

  1. EIGRP

  2. ISIS

  3. OSPF

  4. RIPv2

  5. HSRP

Answer: A,B,C

Question No: 7

What is the most common design requirement when creating a data center solution?

  1. high availability with disaster recovery

  2. multicore CPU servers

  3. traffic inspection for inbound traffic

  4. virtualization of network resources

Answer: A

Question No: 8

Spanning Tree Protocol runs at which functional layer of the data center?

  1. core layer

  2. access layer

  3. application layer

  4. network layer

Answer: B

Question No: 9

Cisco VM-FEX technology extends Cisco Fabric Extender technology to the virtual machine that eliminates which one of the following?

  1. The dedicated interface on the parent switch is eliminated.

  2. The software-based switch in the hypervisor is eliminated.

  3. All virtual machine traffic is eliminated.

  4. The need for a physical switch is eliminated.

Answer: B

Question No: 10

Which three protocols are effective in minimizing the use of STP in the data center design? (Choose three.)

  1. FCoE

  2. vPC

  3. vDC

  4. FabricPath

E. 802.1ad


Answer: A,B,D

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