Download New Updated (Spring 2015) Cisco 642-998 Actual Tests 11-20

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QUESTION 11

Which statement about the Overlay Transport Virtualization protocol is true?

 

A.      It is IP-based functionality that provides Layer 3 extension over any transport.

B.      The data plane exchanges MAC reachability info.

C.      The control plane protocol is IS-IS.

D.      It supports FCoE.

 

Correct Answer: C

 

 

QUESTION 12

What is one example of a fully virtualized environment in the data center?

 

A.      Hadoop clusters

B.      VDI

C.      vPC

D.      VSAN

 

Correct Answer: B

 

 

QUESTION 13

Which option is an advantage of utilizing hypervisor technology within a Cisco Unified Fabric data center environment?

 

A.      distributed load processing

B.      availability of blade versus rack-mountable servers

C.      reduced power and cooling requirements

D.      integrating the virtual machines into the access layer

 

Correct Answer: A

 

 

QUESTION 14

Which option is a recommended practice when migrating from an existing data center to a new data center?

 

A.      Assign multiple virtual servers per one high-performance server.

B.      Utilize the hypervisor tools available to ensure processor compatibility.

C.      Only migrate bare metal servers when transitioning from rack-mountable to blade servers.

D.      Utilize FabricPath across data centers to manage the migration.

 

Correct Answer: B

QUESTION 15

When migrating to a Cisco Unified Fabric data center network, which transitions will you expect to see?

 

A.      rack-mountable to blade servers

B.      physical to virtual machines

C.      Fibre Channel to FCoE

D.      iSCSI to NAS

 

Correct Answer: C

 

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QUESTION 16

What are common switching protocols that are used in the data center? (Choose two.)

 

A.      Token Ring

B.      FDDI

C.      Ethernet

D.      MPLS

E.       Frame Relay

F.       APPN/APPI

 

Correct Answer: CD

 

 

QUESTION 17

What are traits of a routing protocol used in a data center? (Choose two.)

 

A.      proprietary and secure

B.      fast route convergence

C.      support for ECMP

D.      support for LACP

E.       support for large hop limit

 

Correct Answer: BC

 

 

QUESTION 18

Which two technologies minimize or eliminate the need for STP in the data center? (Choose two.)

 

A.      OTV

B.      FabricPath

C.      BPDU

D.      vPC

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VDC

F.       MPLS

 

Correct Answer: BD

 

 

QUESTION 19

Which two FEX topologies trade deterministic bandwidth for server-link stability during FEX uplink failure? (Choose two.)

 

A.      port channel

B.      static pinning

C.      virtual port channel

D.      dynamic pinning

E.       Equal-Cost Multipath

F.       RPVST

 

Correct Answer: AC

 

 

QUESTION 20

Which FEX topology ensures deterministic bandwidth at the expense of server-link stability during FEX uplink failure?

 

A.      port channel

B.      static pinning

C.      virtual port channel

D.      dynamic pinning

E.       Equal-Cost Multipath

F.       RPVST

 

Correct Answer: B

 

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