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C1000-021 Questions and Answers

Question # 6

A customer just purchased an IBM Storwize solution and needs to externally virtualize a Dell EqualLogic.

Which connection protocol is required?

A.

FCoE

B.

FCP

C.

iSCSI

D.

SAS

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Question # 7

A customer’s fibre-channel attached storage is approaching end-of-lease and will be returned. The customer is also evaluating IBM Storwize solutions. It is important during the transition period that data are available, that interruption is minimized, and that costs are kept low.

Which IBM Spectrum Virtualize for Storwize topic should be discussed with the customer?

A.

Remote Mirroring license

B.

Advanced chargeable features

C.

FlashCopy license

D.

Built-in functions

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Question # 8

A technical specialist is conducting a disk technology briefing to position the IBM FlashSystem V9000 against flash drives in an IBM Storwize V7000. The customer asks, “Why is SSD latency greater than a flash module?”

How should the technical specialist respond to the customer?

A.

Larger capacity SSDs use TLC technology which is slower than MLC

B.

The SSD is using a traditional drive style interface protocol, which can cause a performance overhead.

C.

SSDs use much slower internal SLC flash technology than the IBM FlashSystem, which uses eMLC/MLC.

D.

The cache memory in the IBM Storwize V7000 is less, which increases latency.

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Question # 9

A customer wants to know the advantage of DRAID over traditional RAID

What should the technical specialist explain?

A.

The hot spare space moves around the RAID array

B.

No rebuild area capacity is required

C.

All drives participate in application I/O

D.

It is a dynamic form of RAID that automatically adjusts the RAID level to performance needs

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Question # 10

A customer needs to replicate to a back-up site using IP replication on an IBM Storwize V7000. The customer also requires improved bandwidth utilization over long distance links with high latency.

What is included in the IBM Storwize V7000 native IP replication implementation that accomplishes this requirement?

A.

Longwave SFP transceivers

B.

SANSlide technology

C.

10 GbE Ethernet ports

D.

25 GbE iWARP ports

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Question # 11

A customer using IBM Spectrum Virtualize on a single I/O group wants to maintain continuous access to data in the event of an MDisk failure.

Which license is required?

A.

Full-feature license

B.

Remote Mirror license

C.

FlashCopy license

D.

Base license

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Question # 12

A customer is considering both an IBM VersaStack converged and a competitor’s hyper-converged systems for a new system running mixed workloads including virtual machines and database servers.

What should the technical specialist highlight to the customer?

A.

Expanding storage on a hyper-converged system requires additional protocol support

B.

Hyper-converged systems save the customer money on database licenses

C.

Hypervisor choices are limited by design on converged systems

D.

Compute and storage resource can scale independently on a converged system

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Question # 13

A customer with competitive storage at two locations uses asynchronous replication for DR. The storage at the primary location has reached end-of-life.

How could the IBM Storwize Family solve the problem?

A.

Replace production system and use IBM Hyper-Scale Mobility to DR site

B.

Externally virtualize production and replicate to DR systems

C.

Replace production system and externally virtualize DR system

D.

Utilize HyperSwap with intra-cluster synchronous remote copy

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Question # 14

Which tool is used to calculate usable storage space for IBM Storwize disk subsystems?

A.

Storage Insights

B.

Disk Magic

C.

Visual Storage Intelligence

D.

Capacity Magic

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Question # 15

A customer has two IBM Storwize V5010 systems installed at two locations and is considering IP data replication between the two sites. The IP link between locations is a shared resource and is not scalable.

Why would Global Mirror with Change Volumes be a beneficial solution for this customer?

A.

It keeps the relationship live even with limited bandwidth

B.

It uses required IP connection

C.

It shortens the Recovery Point Objective

D.

It achieves the Recovery Time Objective

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