[Free] 2018(Jan) EnsurePass Examcollection IBM C9020-562 Dumps with VCE and PDF 31-40

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IBM Storwize Family Technical Solutions V4

Question No: 31

How does the IBM Storwize native IP replication provide optimal utilization of the IP network?

  1. It communicates with external WAN Optimization devices to achieve maximum efficiency.

  2. It uses Real-time Compression of data prior to replication.

  3. It usesartificial intelligence and sends multiple parallel streams.

  4. It utilizes intelligent switches in the network to minimize latency.

Answer: C

Explanation:

The native Internet Protocol (IP) replication feature enables replication between any SVC/Storwize family memberrunning code version 7.2 or higher, using the built-in networking

ports of the cluster nodes. Following a recent partnership with IBM, it uses SANslide technology developed by Bridgeworks Limited of Christchurch, UK. They specialize in products that can bridge storage protocols and accelerate data transfer over long distances.

Adding this technology at each end of a wide area network (WAN) Transmission Control Protocol/Internet Protocol (TCP/IP) link significantly improves the usage of the link. It does this by applying patented Artificial Intelligence (AI) to hide latency normally associated with WANs.

The technology built into the SVC/Storwize code uses TCP/IP latency to its advantage. Rather than wait for the acknowledgment to come back, it sends more sets of packets across other virtual connections. The number of virtual connections is controlled by the AI engine.

This improves WAN connection use, which results in a data transfer rate approaching full line speed.

References: IBM SAN Volume Controller and Storwize Family Native IP Replication, page 8

http://www.redbooks.ibm.com/redpapers/pdfs/redp5103.pdf

Question No: 32

A customer wants to create an IBM SVC Enhanced Stretch Cluster between two data centers.

Which license is required to create this configuration?

  1. Spectrum Control

  2. Spectrum Virtualize

  3. FlashCopy

  4. Metro Mirror

Answer: B Explanation:

The Enhanced Stretched Cluster configuration provides a continuous availability platform, whereby hostaccess is maintained during the loss of any single failure domain. This availability is accomplished through the inherent active/active architecture of IBM Spectrum Virtualize and SAN Volume Controller along with the use of volume mirroring.

References: IBM Spectrum Virtualize and SAN Volume Controller Enhanced Stretched Cluster with VMware, page 28

References:http://www.redbooks.ibm.com/redbooks/pdfs/sg248211.pdf

Question No: 33

A customer has SAS connected storage in its environment that was purchased from a competitor. The customer does not have a SAN but wishes to add 10 Gb iSCSI. The customer is considering buying an IBM Storwize product because the competitor charges for migration.

Which IBM product should the technical specialist recommend that includes these features?

  1. IBM Storwize V7000

  2. IBM SAN Volume Controller

  3. IBM Storwize V5030

  4. IBM Storwize V5010

Answer: B Explanation:

IBM SAN Volume Controller key features include:

  • Combine storage capacity from multiple vendors for centralized management

  • Increase storage utilization by providing more flexible access to storage assets

  • Support for almost 400 different storage systems

  • Help improve data security with support for encryption

  • Implement hybrid cloud capabilities rapidly and with existing on-premises storage

  • Has four 10 Gbps copper (RJ45) Ethernet ports for management and/or iSCSI

  • References:http://www- 03.ibm.com/systems/storage/software/virtualization/svc/overview.html

    Question No: 34

    A customer wants to encrypt some of the data implementing a clustered IBM Storwize V7000-524 solution, possibly utilizing an existing model 324 keep costs down.

    How should the desired solution be implemented?

    1. IBM Storwize V7000-324s and IBM Storwize V7000-524s cannot be clustered together, so two IBM Storwize V7000-524s with encryption enabled on both should be implemented.

    2. Cluster the existing IBM Storwize V7000-324 with a new model 324 ensuring IBM Storwize version 7.4 is installed on both systems, as it is needed to enable encryption.

    3. Cluster the existing IBM Storwize V7000-324 with an IBM Storwize V7000-524, enabling encryption of the RAID arrays/MDisks on the Model 524 enclosures.

    4. Cluster the existing IBM Storwize V7000-324 with an IBM Storwize V7000-524, enabling encryption on all the enclosures for maximum protection.

    Answer: A Explanation:

    The Model 524 control enclosure supports only the attachment of Model 12F, 24F, and 92F expansion enclosures. Previous generation Storwize V7000 control enclosures (Models 112, 124, 312, and 324) do not support the attachment of Model 12F,24F, and 92F expansion enclosures.

    References:http://www- 01.ibm.com/common/ssi/ShowDoc.wss?docURL=/common/ssi/rep_sm/3/760/ENUS2076-

    _h03/index.htmlamp;lang=enamp;request_locale=en

    Question No: 35

    A customer wants a better understanding of how storage is being used in the file systems of various servers.

    Which IBM Spectrum Control tool gathers these details?

    1. Storage Resource Agents

    2. STAT

    3. Tiered Storage Optimizer

    4. Capacity reporting

    Answer: A Explanation:

    Storage Resource agents provide file system and local disk information.

    You deploy Storage Resource agents if you want to enable full server monitoring for internal resources, such as controllers, disks, and file systems.

    Question No: 36

    Which GUI option forces arrays to use only the preset number of drives when adding or editing arrays in Capacity Magic?

    1. Optimize for performance

    2. Use child pools

    3. Optimize for capacity

    4. Use RtC

    Answer: C Explanation:

    The GUI storageconfiguration wizard does not know that this storage is mapped to another SAN Volume Controller/Storwize, it can create unbalanced arrays (when optimize for capacity is chosen) or it can leave some drives unconfigured (if optimize for performance is chosen).

    References: IBM System Storage SAN Volume Controller and Storwize V7000 Best Practices and Performance Guidelines (4 Aug 2016), page 88

    Question No: 37

    A cloud solution is being planned using the IBM Storwize family to provide storage for multiple clients on IBM Power and Intel hosts.

    Which solution provides the necessary storage for the primary site and a disaster recovery location at a data center 1500 kilometers away?

    1. Create a four node IBM Storwize V7000 cluster with one I/O Group at the primary data center and the other at the disaster recovery location. Use FlashCopy to copy the volumes from the primary I/O Group to the disaster recovery I/O Group.

    2. Create volumeson IBM Storwize V7000 storage at the primary data center and use Global Mirror to create copies on an IBM Storwize V7000 at the disaster recovery location.

    3. Create volume mirrors on IBM Storwize V7000 storage at the primary data center with virtualizedexternal IBM Storwize V3700 storage at the disaster recovery location.

    4. Create volumes on IBM Storwize V7000 Storage at the primary data center and use Metro to create asynchronous copies on an IBM Storwize V5030 at the disaster recovery location.

    Answer: B Explanation:

    Metro Mirror and Global Mirror are technologies that enable you to keep a real-time copy of a disk at a remote site that contains another SVC Cluster or Storwize V7000 system.

    Incorrect Answers

    A: FlashCopy is a function that allows you to create a point-in-time copy of one of your SVC disks. This might be helpful when performing backups or application testing. These copies may be cascaded upon one another, read from, written to, and even reversed.

    These copies are able to conserve storage, if needed, by being space-efficient copies that only record items that have changed from the originals instead of full copies.

    C: Volume Mirroring is a function designed to increase high availability of the storage

    infrastructure. It provides the ability to createup to two local copies of a volume.

    References: IBM System Storage SAN Volume Controller and Storwize V7000 Replication Family Services, page 22

    http://www.redbooks.ibm.com/redbooks/pdfs/sg247574.pdf

    Question No: 38

    Which component of the IBM Spectrum family helps a customer manage application-aware point-in-time copies on EMC, HDS, and the IBM Storwize family?

    1. IBM Spectrum Protect Snapshot

    2. IBM Copy Services Manager

    3. IBM Spectrum Control with External Virtualization

    4. IBM Spectrum Protect for SAN

    Answer: A Explanation:

    IBM Spectrum Protect Snapshot (formerly known as IBM Tivoli FlashCopy Manager) uses advanced snapshot capabilities of disk subsystems to create application, database, and VM-aware point-in-time snapshots.

    References: IBM SpectrumFamily, IBM Spectrum Control Standard Edition, page 237 http://www.redbooks.ibm.com/redbooks/pdfs/sg248321.pdf

    Question No: 39

    A customer is planning to implement a new IBM Storwize V5030 solution and is evaluating

    the requirements for implementing disaster recovery with HyperSwap.

    Which HyperSwap configuration requirement needs to be part of installation?

    1. Both I/O groups and managed disks are at the same site.

    2. Configuration with standard topology with all controlenclosures are at the same site.

    3. Configure volume mirror relationship with a controller from each I/O group at different sites.

    4. Each I/O group and its managed disks are at different sites.

    Answer: D Explanation:

    HyperSwap volumes, where copies of a single volume are in different storage pools that are on different sites. The volume is cached in two I/O groups that are on different sites. These volumes can only be created on Storwize V5030 systems when the system topology is HyperSwap.

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    References:http://www.ibm.com/support/knowledgecenter/STHGUJ_7.7.0/com.ibm.storwiz e.tb5.770.doc/tbrd4_tbrd4ovr.html

    Question No: 40

    An IBM technical specialist has positioned the IBM FlashSystem V9000 storage solution to meet a customer’s requirement for a storage solution to host high IOPS with low latency workloads. The IBM FlashSystem V9000 uses an IBM patented Variable Stripe RAID with two dimensional Flash RAID technology.

    Which statements describe these features?

    1. The Variable Stripe Array function stripes data across its set of chips within a MicroLatency Module.Two Dimensional Flash RAID function provides protection for the MicroLatency Modules.

    2. TheVariable Stripe Array function stripes data across its set of chips within a MicroLatency Module.Two Dimensional Flash RAID function provides cluster protection between two installed FlashSystem V9000 systems.

    3. The Variable Stripe Array function stripes data across all the installed MicroLatency Modules.Two Dimensional Flash RAID function provides protection across DIMM memory within a MicroLatency Module.

    4. The Variable Stripe Array function stripes data across DIMM memory within a MicroLatency Module.Two Dimensional Flash RAID function provides protection for the MicroLatency Modules.

    Answer: A Explanation:

    IBM Variable Stripe RAID is a patented IBM technology that provides an intra-module RAID stripe on each flash module.

    With two-dimensional (2D) Flash RAID,system-wide RAID 5 along with Variable Stripe RAID helps reduce downtime and maintain performance, and enables the provisioning of an entire flash module as a spare to be used in another flash module failure.

    References: Introducing and Implementing IBMFlashSystem V9000, page 22 http://www.redbooks.ibm.com/redbooks/pdfs/sg248273.pdf

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